HEADER IMMUNE SYSTEM/PROTEIN BINDING/TOXIN 09-JUL-03 1PYW TITLE HUMAN CLASS II MHC PROTEIN HLA-DR1 BOUND TO A DESIGNED PEPTIDE RELATED TITLE 2 TO INFLUENZA VIRUS HEMAGGLUTININ, FVKQNA(MAA)AL, IN COMPLEX WITH TITLE 3 STAPHYLOCOCCAL ENTEROTOXIN C3 VARIANT 3B2 (SEC3-3B2) COMPND MOL_ID: 1; COMPND 2 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: EXTRACELLULAR DOMAIN OF HLA-DRA; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: HLA CLASS II HISTOCOMPATIBILITY ANTIGEN, DR-1 BETA CHAIN; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: EXTRACELLULAR DOMAIN OF HLA-DRB1; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: 9-RESIDUE INFLUENZA VIRUS HEMAGGLUTININ RELATED PEPTIDE COMPND 13 FVKQNA(MAA)AL; COMPND 14 CHAIN: C; COMPND 15 ENGINEERED: YES; COMPND 16 MUTATION: YES; COMPND 17 MOL_ID: 4; COMPND 18 MOLECULE: ENTEROTOXIN TYPE C-3; COMPND 19 CHAIN: D; COMPND 20 FRAGMENT: RESIDUES 28-266; COMPND 21 SYNONYM: SEC3; COMPND 22 ENGINEERED: YES; COMPND 23 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: HLA-DRA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: T7 POLYMERASE/LAC; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PLM1; SOURCE 12 MOL_ID: 2; SOURCE 13 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 14 ORGANISM_COMMON: HUMAN; SOURCE 15 ORGANISM_TAXID: 9606; SOURCE 16 GENE: HLA-DRB; SOURCE 17 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 18 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 19 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 20 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 21 EXPRESSION_SYSTEM_VECTOR: T7 POLYMERASE/ LAC; SOURCE 22 EXPRESSION_SYSTEM_PLASMID: PLM1; SOURCE 23 MOL_ID: 3; SOURCE 24 SYNTHETIC: YES; SOURCE 25 OTHER_DETAILS: SYNTHETIC PEPTIDE BASED ON THE CENTRAL REGION OF A SOURCE 26 NATURAL OCCURING PEPTIDE DERIVED FROM THE INFLUENZA VIRUS SOURCE 27 HEMAGGLUTININ. AMINO TERMINUS IS ACETYLATED, ALANINE AT POSITION 7 SOURCE 28 IS N-METHYLATED, AND CARBOXY TERMINUS IS AMIDATED.; SOURCE 29 MOL_ID: 4; SOURCE 30 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS SUBSP. AUREUS MU50; SOURCE 31 ORGANISM_TAXID: 158878; SOURCE 32 STRAIN: MU50/ATCC 700699; SOURCE 33 GENE: ENTC3 OR SAV2009 OR SA1817; SOURCE 34 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 35 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 36 EXPRESSION_SYSTEM_STRAIN: HB 2151; SOURCE 37 EXPRESSION_SYSTEM_VECTOR: LAC KEYWDS MHC CLASS II, MAJOR HISTOCOMPATIBILITY PROTEIN COMPLEX, HLA-DR1, KEYWDS 2 INFLUENZA, HEMAGGLUTININ, SUPERANTIGEN, ANTIGEN, IMMUNE SYSTEM- KEYWDS 3 PROTEIN BINDING-TOXIN COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR Z.ZAVALA-RUIZ,E.J.SUNDBERG,J.D.STONE,D.B.DEOLIVEIRA,I.C.CHAN, AUTHOR 2 J.SVENDSEN,R.A.MARIUZZA,L.J.STERN REVDAT 6 27-OCT-21 1PYW 1 REMARK SEQADV LINK REVDAT 5 04-APR-18 1PYW 1 REMARK REVDAT 4 11-OCT-17 1PYW 1 REMARK REVDAT 3 13-JUL-11 1PYW 1 VERSN REVDAT 2 24-FEB-09 1PYW 1 VERSN REVDAT 1 09-DEC-03 1PYW 0 JRNL AUTH Z.ZAVALA-RUIZ,E.J.SUNDBERG,J.D.STONE,D.B.DEOLIVEIRA, JRNL AUTH 2 I.C.CHAN,J.SVENDSEN,R.A.MARIUZZA,L.J.STERN JRNL TITL EXPLORATION OF THE P6/P7 REGION OF THE PEPTIDE-BINDING SITE JRNL TITL 2 OF THE HUMAN CLASS II MAJOR HISTOCOMPATABILITY COMPLEX JRNL TITL 3 PROTEIN HLA-DR1 JRNL REF J.BIOL.CHEM. V. 278 44904 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12952957 JRNL DOI 10.1074/JBC.M307652200 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 69514 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 7813 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2730 REMARK 3 BIN FREE R VALUE : 0.3040 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 1288 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.008 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4982 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 414 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.02000 REMARK 3 B22 (A**2) : 1.02000 REMARK 3 B33 (A**2) : -2.04000 REMARK 3 B12 (A**2) : 2.58000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.25 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.720 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.441 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.356 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.999 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.961 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : LIGANDS.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1PYW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-JUL-03. REMARK 100 THE DEPOSITION ID IS D_1000019707. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-NOV-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : OTHER REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : CONFOCAL MIRROR REMARK 200 OPTICS : CONFOCAL MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 79802 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : 0.07500 REMARK 200 FOR THE DATA SET : 11.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.17 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.40200 REMARK 200 R SYM FOR SHELL (I) : 0.39400 REMARK 200 FOR SHELL : 3.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1KLU REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 74.58 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.84 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, ETHYLENE GLYCOL, MANGESIUM REMARK 280 ACETATE, PH 5.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 86.25350 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 49.79848 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 40.55067 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 86.25350 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 49.79848 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 40.55067 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 86.25350 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 49.79848 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 40.55067 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 99.59696 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 81.10133 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 99.59696 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 81.10133 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 99.59696 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 81.10133 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 ILE A 1 REMARK 465 LYS A 2 REMARK 465 GLU A 3 REMARK 465 SER D 97 REMARK 465 LYS D 98 REMARK 465 ASP D 99 REMARK 465 ASN D 100 REMARK 465 VAL D 101 REMARK 465 GLY D 102 REMARK 465 LYS D 103 REMARK 465 VAL D 104 REMARK 465 THR D 105 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 LEU B 109 REMARK 475 GLN B 110 REMARK 475 HIS B 111 REMARK 475 HIS B 112 REMARK 475 LYS D 56 REMARK 475 LYS D 57 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O LEU B 8 O TYR B 32 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 THR A 129 -28.51 -156.10 REMARK 500 ASP A 181 -37.21 -134.87 REMARK 500 TYR B 32 -94.71 -68.76 REMARK 500 ASN B 33 -74.71 -89.30 REMARK 500 TYR B 78 -65.78 -104.97 REMARK 500 THR B 90 -66.42 -128.60 REMARK 500 THR B 106 -78.54 -71.49 REMARK 500 GLN B 107 71.44 60.84 REMARK 500 PRO B 108 -89.91 -64.14 REMARK 500 GLN B 110 -102.74 -28.62 REMARK 500 HIS B 111 59.90 -57.65 REMARK 500 LYS D 57 -83.46 -54.83 REMARK 500 PHE D 95 144.76 179.65 REMARK 500 ASN D 125 70.14 65.16 REMARK 500 SER D 178 -178.42 65.94 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DLH RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE HUMAN CLASS II MHC PROTEIN HLA-DR1 REMARK 900 COMPLEXED WITH AN INFLUENZA VIRUS PEPTIDE REMARK 900 RELATED ID: 1KLU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HLA-DR1/TPI(23-37) COMPLEXED WITH REMARK 900 STAPHYLOCOCCAL ENTEROTOXIN C3 VARIANT 3B2 (SEC3-3B2) DBREF 1PYW A 1 182 UNP P01903 HA2R_HUMAN 26 207 DBREF 1PYW B 1 190 UNP P13758 HB2F_HUMAN 30 219 DBREF 1PYW C 1 9 GB 3212739 2VIU_A 308 316 DBREF 1PYW D 1 239 UNP P23313 ETC3_STAAM 28 266 SEQADV 1PYW PHE C 1 GB 3212739 TYR 308 ENGINEERED MUTATION SEQADV 1PYW ALA C 6 GB 3212739 THR 313 ENGINEERED MUTATION SEQADV 1PYW MAA C 7 GB 3212739 LEU 314 ENGINEERED MUTATION SEQADV 1PYW ALA C 8 GB 3212739 LYS 315 ENGINEERED MUTATION SEQADV 1PYW SER D 43 UNP P23313 LYS 70 ENGINEERED MUTATION SEQADV 1PYW PHE D 45 UNP P23313 LEU 72 ENGINEERED MUTATION SEQADV 1PYW LYS D 46 UNP P23313 ALA 73 ENGINEERED MUTATION SEQADV 1PYW TRP D 47 UNP P23313 HIS 74 ENGINEERED MUTATION SEQRES 1 A 182 ILE LYS GLU GLU HIS VAL ILE ILE GLN ALA GLU PHE TYR SEQRES 2 A 182 LEU ASN PRO ASP GLN SER GLY GLU PHE MET PHE ASP PHE SEQRES 3 A 182 ASP GLY ASP GLU ILE PHE HIS VAL ASP MET ALA LYS LYS SEQRES 4 A 182 GLU THR VAL TRP ARG LEU GLU GLU PHE GLY ARG PHE ALA SEQRES 5 A 182 SER PHE GLU ALA GLN GLY ALA LEU ALA ASN ILE ALA VAL SEQRES 6 A 182 ASP LYS ALA ASN LEU GLU ILE MET THR LYS ARG SER ASN SEQRES 7 A 182 TYR THR PRO ILE THR ASN VAL PRO PRO GLU VAL THR VAL SEQRES 8 A 182 LEU THR ASN SER PRO VAL GLU LEU ARG GLU PRO ASN VAL SEQRES 9 A 182 LEU ILE CYS PHE ILE ASP LYS PHE THR PRO PRO VAL VAL SEQRES 10 A 182 ASN VAL THR TRP LEU ARG ASN GLY LYS PRO VAL THR THR SEQRES 11 A 182 GLY VAL SER GLU THR VAL PHE LEU PRO ARG GLU ASP HIS SEQRES 12 A 182 LEU PHE ARG LYS PHE HIS TYR LEU PRO PHE LEU PRO SER SEQRES 13 A 182 THR GLU ASP VAL TYR ASP CYS ARG VAL GLU HIS TRP GLY SEQRES 14 A 182 LEU ASP GLU PRO LEU LEU LYS HIS TRP GLU PHE ASP ALA SEQRES 1 B 190 GLY ASP THR ARG PRO ARG PHE LEU TRP GLN LEU LYS PHE SEQRES 2 B 190 GLU CYS HIS PHE PHE ASN GLY THR GLU ARG VAL ARG LEU SEQRES 3 B 190 LEU GLU ARG CYS ILE TYR ASN GLN GLU GLU SER VAL ARG SEQRES 4 B 190 PHE ASP SER ASP VAL GLY GLU TYR ARG ALA VAL THR GLU SEQRES 5 B 190 LEU GLY ARG PRO ASP ALA GLU TYR TRP ASN SER GLN LYS SEQRES 6 B 190 ASP LEU LEU GLU GLN ARG ARG ALA ALA VAL ASP THR TYR SEQRES 7 B 190 CYS ARG HIS ASN TYR GLY VAL GLY GLU SER PHE THR VAL SEQRES 8 B 190 GLN ARG ARG VAL GLU PRO LYS VAL THR VAL TYR PRO SER SEQRES 9 B 190 LYS THR GLN PRO LEU GLN HIS HIS ASN LEU LEU VAL CYS SEQRES 10 B 190 SER VAL SER GLY PHE TYR PRO GLY SER ILE GLU VAL ARG SEQRES 11 B 190 TRP PHE ARG ASN GLY GLN GLU GLU LYS ALA GLY VAL VAL SEQRES 12 B 190 SER THR GLY LEU ILE GLN ASN GLY ASP TRP THR PHE GLN SEQRES 13 B 190 THR LEU VAL MET LEU GLU THR VAL PRO ARG SER GLY GLU SEQRES 14 B 190 VAL TYR THR CYS GLN VAL GLU HIS PRO SER VAL THR SER SEQRES 15 B 190 PRO LEU THR VAL GLU TRP ARG ALA SEQRES 1 C 10 ACE PHE VAL LYS GLN ASN ALA MAA ALA LEU SEQRES 1 D 239 GLU SER GLN PRO ASP PRO MET PRO ASP ASP LEU HIS LYS SEQRES 2 D 239 SER SER GLU PHE THR GLY THR MET GLY ASN MET LYS TYR SEQRES 3 D 239 LEU TYR ASP ASP HIS TYR VAL SER ALA THR LYS VAL LYS SEQRES 4 D 239 SER VAL ASP SER PHE PHE LYS TRP ASP LEU ILE TYR ASN SEQRES 5 D 239 ILE SER ASP LYS LYS LEU LYS ASN TYR ASP LYS VAL LYS SEQRES 6 D 239 THR GLU LEU LEU ASN GLU ASP LEU ALA LYS LYS TYR LYS SEQRES 7 D 239 ASP GLU VAL VAL ASP VAL TYR GLY SER ASN TYR TYR VAL SEQRES 8 D 239 ASN CYS TYR PHE SER SER LYS ASP ASN VAL GLY LYS VAL SEQRES 9 D 239 THR GLY GLY LYS THR CYS MET TYR GLY GLY ILE THR LYS SEQRES 10 D 239 HIS GLU GLY ASN HIS PHE ASP ASN GLY ASN LEU GLN ASN SEQRES 11 D 239 VAL LEU VAL ARG VAL TYR GLU ASN LYS ARG ASN THR ILE SEQRES 12 D 239 SER PHE GLU VAL GLN THR ASP LYS LYS SER VAL THR ALA SEQRES 13 D 239 GLN GLU LEU ASP ILE LYS ALA ARG ASN PHE LEU ILE ASN SEQRES 14 D 239 LYS LYS ASN LEU TYR GLU PHE ASN SER SER PRO TYR GLU SEQRES 15 D 239 THR GLY TYR ILE LYS PHE ILE GLU ASN ASN GLY ASN THR SEQRES 16 D 239 PHE TRP TYR ASP MET MET PRO ALA PRO GLY ASP LYS PHE SEQRES 17 D 239 ASP GLN SER LYS TYR LEU MET MET TYR ASN ASP ASN LYS SEQRES 18 D 239 THR VAL ASP SER LYS SER VAL LYS ILE GLU VAL HIS LEU SEQRES 19 D 239 THR THR LYS ASN GLY MODRES 1PYW MAA C 7 ALA N-METHYLALANINE HET ACE C 0 3 HET MAA C 7 6 HETNAM ACE ACETYL GROUP HETNAM MAA N-METHYL-L-ALANINE FORMUL 3 ACE C2 H4 O FORMUL 3 MAA C4 H9 N O2 FORMUL 5 HOH *414(H2 O) HELIX 1 1 GLU A 47 ALA A 52 1 6 HELIX 2 2 GLU A 55 SER A 77 1 23 HELIX 3 3 THR B 51 LEU B 53 5 3 HELIX 4 4 GLY B 54 ASN B 62 1 9 HELIX 5 5 GLN B 64 TYR B 78 1 15 HELIX 6 6 TYR B 78 GLU B 87 1 10 HELIX 7 7 SER B 88 THR B 90 5 3 HELIX 8 8 MET D 7 LEU D 11 5 5 HELIX 9 9 LYS D 13 PHE D 17 5 5 HELIX 10 10 MET D 21 ASP D 29 1 9 HELIX 11 11 ASN D 70 ASP D 79 1 10 HELIX 12 12 ALA D 156 ASN D 172 1 17 HELIX 13 13 ASP D 209 MET D 215 1 7 HELIX 14 14 MET D 216 ASN D 220 5 5 SHEET 1 A 8 GLU A 40 TRP A 43 0 SHEET 2 A 8 ASP A 29 ASP A 35 -1 N ASP A 35 O GLU A 40 SHEET 3 A 8 SER A 19 PHE A 26 -1 N PHE A 26 O ASP A 29 SHEET 4 A 8 HIS A 5 ASN A 15 -1 N ALA A 10 O MET A 23 SHEET 5 A 8 PHE B 7 PHE B 18 -1 O PHE B 17 N HIS A 5 SHEET 6 A 8 ARG B 23 ILE B 31 -1 O ARG B 25 N HIS B 16 SHEET 7 A 8 GLU B 36 ASP B 41 -1 O PHE B 40 N GLU B 28 SHEET 8 A 8 TYR B 47 ALA B 49 -1 O ARG B 48 N ARG B 39 SHEET 1 B 4 GLU A 88 THR A 93 0 SHEET 2 B 4 ASN A 103 PHE A 112 -1 O ILE A 106 N LEU A 92 SHEET 3 B 4 PHE A 145 PHE A 153 -1 O LEU A 151 N LEU A 105 SHEET 4 B 4 SER A 133 GLU A 134 -1 N SER A 133 O TYR A 150 SHEET 1 C 4 GLU A 88 THR A 93 0 SHEET 2 C 4 ASN A 103 PHE A 112 -1 O ILE A 106 N LEU A 92 SHEET 3 C 4 PHE A 145 PHE A 153 -1 O LEU A 151 N LEU A 105 SHEET 4 C 4 LEU A 138 PRO A 139 -1 N LEU A 138 O ARG A 146 SHEET 1 D 4 LYS A 126 PRO A 127 0 SHEET 2 D 4 ASN A 118 ARG A 123 -1 N ARG A 123 O LYS A 126 SHEET 3 D 4 TYR A 161 GLU A 166 -1 O ARG A 164 N THR A 120 SHEET 4 D 4 LEU A 174 TRP A 178 -1 O TRP A 178 N TYR A 161 SHEET 1 E 4 LYS B 98 PRO B 103 0 SHEET 2 E 4 ASN B 113 PHE B 122 -1 O SER B 120 N LYS B 98 SHEET 3 E 4 PHE B 155 THR B 163 -1 O LEU B 161 N LEU B 115 SHEET 4 E 4 VAL B 142 SER B 144 -1 N VAL B 143 O MET B 160 SHEET 1 F 4 LYS B 98 PRO B 103 0 SHEET 2 F 4 ASN B 113 PHE B 122 -1 O SER B 120 N LYS B 98 SHEET 3 F 4 PHE B 155 THR B 163 -1 O LEU B 161 N LEU B 115 SHEET 4 F 4 ILE B 148 GLN B 149 -1 N ILE B 148 O GLN B 156 SHEET 1 G 4 GLN B 136 GLU B 137 0 SHEET 2 G 4 GLU B 128 ARG B 133 -1 N ARG B 133 O GLN B 136 SHEET 3 G 4 VAL B 170 GLU B 176 -1 O GLN B 174 N ARG B 130 SHEET 4 G 4 LEU B 184 ARG B 189 -1 O LEU B 184 N VAL B 175 SHEET 1 H 3 VAL D 33 VAL D 38 0 SHEET 2 H 3 VAL D 82 GLY D 86 -1 O VAL D 82 N VAL D 38 SHEET 3 H 3 ILE D 115 LYS D 117 -1 O THR D 116 N ASP D 83 SHEET 1 I 3 ASP D 48 ASN D 52 0 SHEET 2 I 3 LYS D 63 GLU D 67 -1 O VAL D 64 N TYR D 51 SHEET 3 I 3 LYS D 108 TYR D 112 1 O MET D 111 N GLU D 67 SHEET 1 J 5 ARG D 140 THR D 149 0 SHEET 2 J 5 GLN D 129 GLU D 137 -1 N VAL D 133 O PHE D 145 SHEET 3 J 5 LYS D 229 THR D 235 1 O LEU D 234 N TYR D 136 SHEET 4 J 5 THR D 183 ILE D 189 -1 N LYS D 187 O GLU D 231 SHEET 5 J 5 THR D 195 ASP D 199 -1 O PHE D 196 N PHE D 188 SHEET 1 K 2 SER D 153 THR D 155 0 SHEET 2 K 2 THR D 222 ASP D 224 -1 O VAL D 223 N VAL D 154 SSBOND 1 CYS A 107 CYS A 163 1555 1555 2.04 SSBOND 2 CYS B 15 CYS B 79 1555 1555 2.04 SSBOND 3 CYS B 117 CYS B 173 1555 1555 2.03 SSBOND 4 CYS D 93 CYS D 110 1555 1555 2.04 LINK C ACE C 0 N PHE C 1 1555 1555 1.33 LINK C ALA C 6 N MAA C 7 1555 1555 1.34 LINK C MAA C 7 N ALA C 8 1555 1555 1.33 CISPEP 1 ASN A 15 PRO A 16 0 0.19 CISPEP 2 THR A 113 PRO A 114 0 -0.10 CISPEP 3 TYR B 123 PRO B 124 0 0.55 CRYST1 172.507 172.507 121.652 90.00 90.00 120.00 H 3 9 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.005797 0.003347 0.000000 0.00000 SCALE2 0.000000 0.006694 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008220 0.00000