HEADER IMMUNE SYSTEM 17-SEP-04 1XH3 TITLE CONFORMATIONAL RESTRAINTS AND FLEXIBILITY OF 14-MERIC PEPTIDES IN TITLE 2 COMPLEX WITH HLA-B*3501 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, B-35 ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 25-300; COMPND 5 SYNONYM: MHC CLASS I ANTIGEN B*35; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: BETA-2-MICROGLOBULIN; COMPND 9 CHAIN: B; COMPND 10 FRAGMENT: RESIDUES 21-119; COMPND 11 SYNONYM: HDCMA22P; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: AA 4-17 (LPAVVGLSPGEQEY) OF ALTERNATIVE READING FRAME OF M- COMPND 15 CSF; COMPND 16 CHAIN: C; COMPND 17 ENGINEERED: 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-B, HLAB; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: B2M; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 MOL_ID: 3; SOURCE 16 SYNTHETIC: YES; SOURCE 17 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE SOURCE 18 OF THE PEPTIDE IS NATURALLY FOUND IN HOMO SAPIENS (HUMAN) KEYWDS IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR M.PROBST-KEPPER,H.J.HECHT,H.HERRMANN,V.JANKE,F.OCKLENBURG, AUTHOR 2 J.KLEMPNAUER,B.J.VAN DEN EYNDE,S.WEISS REVDAT 3 13-JUL-11 1XH3 1 VERSN REVDAT 2 24-FEB-09 1XH3 1 VERSN REVDAT 1 23-NOV-04 1XH3 0 JRNL AUTH M.PROBST-KEPPER,H.J.HECHT,H.HERRMANN,V.JANKE,F.OCKLENBURG, JRNL AUTH 2 J.KLEMPNAUER,B.J.VAN DEN EYNDE,S.WEISS JRNL TITL CONFORMATIONAL RESTRAINTS AND FLEXIBILITY OF 14-MERIC JRNL TITL 2 PEPTIDES IN COMPLEX WITH HLA-B*3501. JRNL REF J.IMMUNOL. V. 173 5610 2004 JRNL REFN ISSN 0022-1767 JRNL PMID 15494511 REMARK 2 REMARK 2 RESOLUTION. 1.48 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.48 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.60 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.3 REMARK 3 NUMBER OF REFLECTIONS : 68581 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 + TEST SET) : 0.180 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3637 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.48 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.51 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4774 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.67 REMARK 3 BIN R VALUE (WORKING SET) : 0.2440 REMARK 3 BIN FREE R VALUE SET COUNT : 245 REMARK 3 BIN FREE R VALUE : 0.2870 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3186 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 562 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : 18.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.43 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.80000 REMARK 3 B22 (A**2) : -0.74000 REMARK 3 B33 (A**2) : 1.54000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.072 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.075 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.047 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.455 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.967 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.954 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3277 ; 0.013 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 2819 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4456 ; 1.491 ; 1.938 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6557 ; 0.819 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 386 ; 6.347 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 178 ;33.279 ;23.315 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 527 ;13.198 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 31 ;19.854 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 455 ; 0.096 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3692 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 712 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 587 ; 0.210 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 2904 ; 0.206 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1554 ; 0.186 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1909 ; 0.085 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 398 ; 0.174 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 15 ; 0.221 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 67 ; 0.281 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 37 ; 0.199 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 2501 ; 1.459 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 785 ; 0.273 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3141 ; 1.591 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1595 ; 2.580 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1315 ; 3.623 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 276 REMARK 3 RESIDUE RANGE : C 1 C 14 REMARK 3 ORIGIN FOR THE GROUP (A): 11.3900 27.1630 33.2020 REMARK 3 T TENSOR REMARK 3 T11: -0.0304 T22: -0.0465 REMARK 3 T33: -0.0404 T12: -0.0050 REMARK 3 T13: 0.0070 T23: 0.0104 REMARK 3 L TENSOR REMARK 3 L11: 0.8120 L22: 0.9214 REMARK 3 L33: 0.2113 L12: -0.3951 REMARK 3 L13: 0.0163 L23: 0.1468 REMARK 3 S TENSOR REMARK 3 S11: 0.0150 S12: 0.0403 S13: -0.0192 REMARK 3 S21: -0.0171 S22: 0.0059 S23: 0.0342 REMARK 3 S31: 0.0044 S32: 0.0311 S33: -0.0210 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 1 B 99 REMARK 3 ORIGIN FOR THE GROUP (A): 15.2680 43.5180 43.8040 REMARK 3 T TENSOR REMARK 3 T11: 0.0238 T22: -0.0004 REMARK 3 T33: 0.0552 T12: 0.0469 REMARK 3 T13: -0.1023 T23: -0.0843 REMARK 3 L TENSOR REMARK 3 L11: 3.5032 L22: 2.0841 REMARK 3 L33: 1.0438 L12: 0.2938 REMARK 3 L13: 1.1422 L23: 0.2463 REMARK 3 S TENSOR REMARK 3 S11: -0.2682 S12: -0.3785 S13: 0.5537 REMARK 3 S21: 0.2624 S22: 0.1237 S23: -0.2592 REMARK 3 S31: -0.0714 S32: -0.0693 S33: 0.1445 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 1XH3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-OCT-04. REMARK 100 THE RCSB ID CODE IS RCSB030352. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-DEC-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MPG/DESY, HAMBURG REMARK 200 BEAMLINE : BW6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.05 REMARK 200 MONOCHROMATOR : TWO SYMMETRICALLY CUT SI-111 REMARK 200 CRYSTALS REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 72270 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.480 REMARK 200 RESOLUTION RANGE LOW (A) : 18.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.7 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : 0.06100 REMARK 200 FOR THE DATA SET : 5.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.48 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.56 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.45200 REMARK 200 R SYM FOR SHELL (I) : 0.37900 REMARK 200 FOR SHELL : 1.600 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 1A1N REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, PH 7.5, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z 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 -1.000000 0.000000 0.000000 25.41400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.89900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.83150 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.89900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.41400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.83150 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4400 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 122 CB - CG - OD1 ANGL. DEV. = 6.9 DEGREES 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 ARG A 14 69.30 -161.32 REMARK 500 ASP A 29 -125.18 49.44 REMARK 500 GLN A 224 47.97 -107.96 REMARK 500 ARG A 239 -21.94 90.71 REMARK 500 LYS B 48 35.25 -90.74 REMARK 500 TRP B 60 -3.17 76.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 667 DISTANCE = 6.25 ANGSTROMS DBREF 1XH3 A 1 276 UNP P30685 1B35_HUMAN 25 300 DBREF 1XH3 B 1 99 UNP P61769 B2MG_HUMAN 21 119 DBREF 1XH3 C 1 14 PDB 1XH3 1XH3 1 14 SEQRES 1 A 276 GLY SER HIS SER MET ARG TYR PHE TYR THR ALA MET SER SEQRES 2 A 276 ARG PRO GLY ARG GLY GLU PRO ARG PHE ILE ALA VAL GLY SEQRES 3 A 276 TYR VAL ASP ASP THR GLN PHE VAL ARG PHE ASP SER ASP SEQRES 4 A 276 ALA ALA SER PRO ARG THR GLU PRO ARG ALA PRO TRP ILE SEQRES 5 A 276 GLU GLN GLU GLY PRO GLU TYR TRP ASP ARG ASN THR GLN SEQRES 6 A 276 ILE PHE LYS THR ASN THR GLN THR TYR ARG GLU SER LEU SEQRES 7 A 276 ARG ASN LEU ARG GLY TYR TYR ASN GLN SER GLU ALA GLY SEQRES 8 A 276 SER HIS ILE ILE GLN ARG MET TYR GLY CYS ASP LEU GLY SEQRES 9 A 276 PRO ASP GLY ARG LEU LEU ARG GLY HIS ASP GLN SER ALA SEQRES 10 A 276 TYR ASP GLY LYS ASP TYR ILE ALA LEU ASN GLU ASP LEU SEQRES 11 A 276 SER SER TRP THR ALA ALA ASP THR ALA ALA GLN ILE THR SEQRES 12 A 276 GLN ARG LYS TRP GLU ALA ALA ARG VAL ALA GLU GLN LEU SEQRES 13 A 276 ARG ALA TYR LEU GLU GLY LEU CYS VAL GLU TRP LEU ARG SEQRES 14 A 276 ARG TYR LEU GLU ASN GLY LYS GLU THR LEU GLN ARG ALA SEQRES 15 A 276 ASP PRO PRO LYS THR HIS VAL THR HIS HIS PRO VAL SER SEQRES 16 A 276 ASP HIS GLU ALA THR LEU ARG CYS TRP ALA LEU GLY PHE SEQRES 17 A 276 TYR PRO ALA GLU ILE THR LEU THR TRP GLN ARG ASP GLY SEQRES 18 A 276 GLU ASP GLN THR GLN ASP THR GLU LEU VAL GLU THR ARG SEQRES 19 A 276 PRO ALA GLY ASP ARG THR PHE GLN LYS TRP ALA ALA VAL SEQRES 20 A 276 VAL VAL PRO SER GLY GLU GLU GLN ARG TYR THR CYS HIS SEQRES 21 A 276 VAL GLN HIS GLU GLY LEU PRO LYS PRO LEU THR LEU ARG SEQRES 22 A 276 TRP GLU PRO SEQRES 1 B 99 ILE GLN ARG THR PRO LYS ILE GLN VAL TYR SER ARG HIS SEQRES 2 B 99 PRO ALA GLU ASN GLY LYS SER ASN PHE LEU ASN CYS TYR SEQRES 3 B 99 VAL SER GLY PHE HIS PRO SER ASP ILE GLU VAL ASP LEU SEQRES 4 B 99 LEU LYS ASN GLY GLU ARG ILE GLU LYS VAL GLU HIS SER SEQRES 5 B 99 ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR LEU LEU SEQRES 6 B 99 TYR TYR THR GLU PHE THR PRO THR GLU LYS ASP GLU TYR SEQRES 7 B 99 ALA CYS ARG VAL ASN HIS VAL THR LEU SER GLN PRO LYS SEQRES 8 B 99 ILE VAL LYS TRP ASP ARG ASP MET SEQRES 1 C 14 LEU PRO ALA VAL VAL GLY LEU SER PRO GLY GLU GLN GLU SEQRES 2 C 14 TYR FORMUL 4 HOH *562(H2 O) HELIX 1 1 ALA A 49 GLU A 53 5 5 HELIX 2 2 GLY A 56 TYR A 85 1 30 HELIX 3 3 ASP A 137 ALA A 150 1 14 HELIX 4 4 ARG A 151 GLY A 162 1 12 HELIX 5 5 GLY A 162 GLY A 175 1 14 HELIX 6 6 GLY A 175 GLN A 180 1 6 HELIX 7 7 THR A 225 THR A 228 5 4 HELIX 8 8 GLU A 253 GLN A 255 5 3 HELIX 9 9 PRO C 9 GLU C 13 5 5 SHEET 1 A 8 GLU A 46 PRO A 47 0 SHEET 2 A 8 THR A 31 ASP A 37 -1 N ARG A 35 O GLU A 46 SHEET 3 A 8 ARG A 21 VAL A 28 -1 N GLY A 26 O PHE A 33 SHEET 4 A 8 HIS A 3 MET A 12 -1 N ARG A 6 O TYR A 27 SHEET 5 A 8 ILE A 94 LEU A 103 -1 O LEU A 103 N HIS A 3 SHEET 6 A 8 LEU A 109 TYR A 118 -1 O LEU A 110 N ASP A 102 SHEET 7 A 8 LYS A 121 LEU A 126 -1 O LEU A 126 N ASP A 114 SHEET 8 A 8 TRP A 133 ALA A 135 -1 O THR A 134 N ALA A 125 SHEET 1 B 4 LYS A 186 PRO A 193 0 SHEET 2 B 4 GLU A 198 PHE A 208 -1 O TRP A 204 N HIS A 188 SHEET 3 B 4 PHE A 241 PRO A 250 -1 O ALA A 245 N CYS A 203 SHEET 4 B 4 GLU A 229 LEU A 230 -1 N GLU A 229 O ALA A 246 SHEET 1 C 4 LYS A 186 PRO A 193 0 SHEET 2 C 4 GLU A 198 PHE A 208 -1 O TRP A 204 N HIS A 188 SHEET 3 C 4 PHE A 241 PRO A 250 -1 O ALA A 245 N CYS A 203 SHEET 4 C 4 ARG A 234 PRO A 235 -1 N ARG A 234 O GLN A 242 SHEET 1 D 4 GLU A 222 ASP A 223 0 SHEET 2 D 4 THR A 214 ARG A 219 -1 N ARG A 219 O GLU A 222 SHEET 3 D 4 TYR A 257 GLN A 262 -1 O THR A 258 N GLN A 218 SHEET 4 D 4 LEU A 270 LEU A 272 -1 O LEU A 272 N CYS A 259 SHEET 1 E 4 LYS B 6 SER B 11 0 SHEET 2 E 4 ASN B 21 PHE B 30 -1 O ASN B 24 N TYR B 10 SHEET 3 E 4 PHE B 62 PHE B 70 -1 O THR B 68 N LEU B 23 SHEET 4 E 4 GLU B 50 HIS B 51 -1 N GLU B 50 O TYR B 67 SHEET 1 F 4 LYS B 6 SER B 11 0 SHEET 2 F 4 ASN B 21 PHE B 30 -1 O ASN B 24 N TYR B 10 SHEET 3 F 4 PHE B 62 PHE B 70 -1 O THR B 68 N LEU B 23 SHEET 4 F 4 SER B 55 PHE B 56 -1 N SER B 55 O TYR B 63 SHEET 1 G 4 GLU B 44 ARG B 45 0 SHEET 2 G 4 GLU B 36 LYS B 41 -1 N LYS B 41 O GLU B 44 SHEET 3 G 4 TYR B 78 ASN B 83 -1 O ALA B 79 N LEU B 40 SHEET 4 G 4 LYS B 91 LYS B 94 -1 O LYS B 91 N VAL B 82 SSBOND 1 CYS A 101 CYS A 164 1555 1555 2.19 SSBOND 2 CYS A 203 CYS A 259 1555 1555 2.06 SSBOND 3 CYS B 25 CYS B 80 1555 1555 2.07 CISPEP 1 TYR A 209 PRO A 210 0 -1.20 CISPEP 2 HIS B 31 PRO B 32 0 1.47 CRYST1 50.828 81.663 109.798 90.00 90.00 90.00 P 21 21 21 4 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 0.019674 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012245 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009108 0.00000