HEADER MEMBRANE PROTEIN 15-JUN-01 1H6I TITLE A REFINED STRUCTURE OF HUMAN AQUAPORIN 1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: AQUAPORIN-1; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL: ERYTHROCYTE KEYWDS MEMBRANE PROTEIN, WATER CHANNEL, TWO-DIMENSIONAL CRYSTAL, KEYWDS 2 ELECTRON DIFFRACTION, ELECTRON MICROSCOPY EXPDTA ELECTRON CRYSTALLOGRAPHY AUTHOR B.L.DE GROOT,A.ENGEL,H.GRUBMULLER REVDAT 3 24-FEB-09 1H6I 1 VERSN REVDAT 2 10-MAY-02 1H6I 1 JRNL REVDAT 1 13-DEC-01 1H6I 0 JRNL AUTH B.L.DE GROOT,A.ENGEL,H.GRUBMULLER JRNL TITL A REFINED STRUCTURE OF HUMAN AQUAPORIN 1 JRNL REF FEBS LETT. V. 504 206 2001 JRNL REFN ISSN 0014-5793 JRNL PMID 11532455 JRNL DOI 10.1016/S0014-5793(01)02743-0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.L.DE GROOT,J.B.HEYMANN,A.ENGEL,K.MITSUOKA, REMARK 1 AUTH 2 Y.FUJIYOSHI,H.GRUBMULLER REMARK 1 TITL THE FOLD OF HUMAN AQUAPORIN 1 REMARK 1 REF J.MOL.BIOL. V. 300 987 2000 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 10891283 REMARK 1 DOI 10.1006/JMBI.2000.3913 REMARK 2 REMARK 2 RESOLUTION. 3.54 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.54 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.04 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.0 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.8 REMARK 3 NUMBER OF REFLECTIONS : 5408 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) : 0.364 REMARK 3 FREE R VALUE : 0.376 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.5 REMARK 3 FREE R VALUE TEST SET COUNT : 514 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.017 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.72 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 44.9 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 443 REMARK 3 BIN R VALUE (WORKING SET) : 0.431 REMARK 3 BIN FREE R VALUE : 0.428 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.9 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 54 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.058 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1653 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.4 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00 REMARK 3 B22 (A**2) : 0.00 REMARK 3 B33 (A**2) : 0.00 REMARK 3 B12 (A**2) : 0.00 REMARK 3 B13 (A**2) : 0.00 REMARK 3 B23 (A**2) : 0.00 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.79 REMARK 3 ESD FROM SIGMAA (A) : 1.00 REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.79 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.89 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.6 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.4 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.65 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.09599202 REMARK 3 BSOL : 18.5467 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1H6I COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 18-JUN-01. REMARK 100 THE PDBE ID CODE IS EBI-8193. REMARK 240 REMARK 240 EXPERIMENTAL DETAILS REMARK 240 RECONSTRUCTION METHOD : CRYSTALLOGRAPHY REMARK 240 SAMPLE TYPE : 2D CRYSTAL REMARK 240 SPECIMEN TYPE : VITREOUS ICE (CRYO EM) REMARK 240 DATA AQUISITION REMARK 240 DATE OF DATA COLLECTION : 07-JUN-96 REMARK 240 TEMPERATURE (KELVIN) : NULL REMARK 240 PH : NULL REMARK 240 NUMBER OF CRYSTALS USED : NULL REMARK 240 MICROSCOPE MODEL : NULL REMARK 240 DETECTOR TYPE : NULL REMARK 240 ACCELERATION VOLTAGE (KV) : NULL REMARK 240 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 240 RESOLUTION RANGE HIGH (A) : NULL REMARK 240 RESOLUTION RANGE LOW (A) : NULL REMARK 240 DATA SCALING SOFTWARE : NULL REMARK 240 COMPLETENESS FOR RANGE (%) : NULL REMARK 240 DATA REDUNDANCY : NULL REMARK 240 IN THE HIGHEST RESOLUTION SHELL REMARK 240 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 240 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 240 COMPLETENESS FOR SHELL (%) : NULL REMARK 240 DATA REDUNDANCY IN SHELL : NULL REMARK 240 R MERGE FOR SHELL (I) : NULL REMARK 240 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 240 SOFTWARE USED : NULL REMARK 240 STARTING MODEL : THE MODEL WAS REMARK 240 DERIVED USING REMARK 240 ELECTRON DIFFRACTION REMARK 240 DATA ON 2D CRYSTALS REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y+1/2,X+1/2,Z REMARK 290 4555 Y+1/2,-X+1/2,Z REMARK 290 5555 -X+1/2,Y+1/2,-Z REMARK 290 6555 X+1/2,-Y+1/2,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 49.79000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 49.79000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 49.79000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 49.79000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 49.79000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 49.79000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 49.79000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 49.79000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 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 GENERATING THE BIOMOLECULE 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 SER A 3 REMARK 465 GLU A 4 REMARK 465 PHE A 5 REMARK 465 LYS A 6 REMARK 465 LYS A 7 REMARK 465 LYS A 8 REMARK 465 ARG A 234 REMARK 465 SER A 235 REMARK 465 SER A 236 REMARK 465 ASP A 237 REMARK 465 LEU A 238 REMARK 465 THR A 239 REMARK 465 ASP A 240 REMARK 465 ARG A 241 REMARK 465 VAL A 242 REMARK 465 LYS A 243 REMARK 465 VAL A 244 REMARK 465 TRP A 245 REMARK 465 THR A 246 REMARK 465 SER A 247 REMARK 465 GLY A 248 REMARK 465 GLN A 249 REMARK 465 VAL A 250 REMARK 465 GLU A 251 REMARK 465 GLU A 252 REMARK 465 TYR A 253 REMARK 465 ASP A 254 REMARK 465 LEU A 255 REMARK 465 ASP A 256 REMARK 465 ALA A 257 REMARK 465 ASP A 258 REMARK 465 ASP A 259 REMARK 465 ILE A 260 REMARK 465 ASN A 261 REMARK 465 SER A 262 REMARK 465 ARG A 263 REMARK 465 VAL A 264 REMARK 465 GLU A 265 REMARK 465 MET A 266 REMARK 465 LYS A 267 REMARK 465 PRO A 268 REMARK 465 LYS A 269 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 TYR A 37 N - CA - C ANGL. DEV. = 17.9 DEGREES REMARK 500 LEU A 63 CA - CB - CG ANGL. DEV. = 15.2 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 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 ASN A 42 -57.56 -143.23 REMARK 500 GLN A 43 -59.33 -127.17 REMARK 500 GLN A 47 155.56 -42.69 REMARK 500 ASN A 49 -40.41 -13.88 REMARK 500 LEU A 75 24.70 49.77 REMARK 500 SER A 86 -65.16 -102.81 REMARK 500 ILE A 89 31.95 -77.21 REMARK 500 SER A 90 128.66 57.38 REMARK 500 ILE A 115 -101.39 -123.03 REMARK 500 SER A 118 -62.45 -143.38 REMARK 500 ASN A 122 -159.73 -78.37 REMARK 500 SER A 123 92.13 -64.57 REMARK 500 THR A 157 38.57 -90.79 REMARK 500 ARG A 161 -125.75 46.33 REMARK 500 ASP A 163 142.41 -38.60 REMARK 500 SER A 167 46.04 -73.06 REMARK 500 ILE A 191 23.90 37.65 REMARK 500 ASN A 192 103.57 -167.77 REMARK 500 HIS A 204 70.45 89.51 REMARK 500 ASN A 205 166.33 71.56 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 TYR A 37 17.8 L L OUTSIDE RANGE REMARK 500 VAL A 39 23.4 L L OUTSIDE RANGE REMARK 500 HIS A 204 13.4 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FQY RELATED DB: PDB REMARK 900 STRUCTURE OF AQUAPORIN-1 AT 3.8 A REMARK 900 RESOLUTION BY ELECTRONCRYSTALLOGRAPHY REMARK 900 RELATED ID: 1HW0 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AQUAPORIN-1 REMARK 900 RELATED ID: 1IH5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF AQUAPORIN-1 DBREF 1H6I A 1 269 UNP P29972 AQP1_HUMAN 1 269 SEQRES 1 A 269 MET ALA SER GLU PHE LYS LYS LYS LEU PHE TRP ARG ALA SEQRES 2 A 269 VAL VAL ALA GLU PHE LEU ALA THR THR LEU PHE VAL PHE SEQRES 3 A 269 ILE SER ILE GLY SER ALA LEU GLY PHE LYS TYR PRO VAL SEQRES 4 A 269 GLY ASN ASN GLN THR ALA VAL GLN ASP ASN VAL LYS VAL SEQRES 5 A 269 SER LEU ALA PHE GLY LEU SER ILE ALA THR LEU ALA GLN SEQRES 6 A 269 SER VAL GLY HIS ILE SER GLY ALA HIS LEU ASN PRO ALA SEQRES 7 A 269 VAL THR LEU GLY LEU LEU LEU SER CYS GLN ILE SER ILE SEQRES 8 A 269 PHE ARG ALA LEU MET TYR ILE ILE ALA GLN CYS VAL GLY SEQRES 9 A 269 ALA ILE VAL ALA THR ALA ILE LEU SER GLY ILE THR SER SEQRES 10 A 269 SER LEU THR GLY ASN SER LEU GLY ARG ASN ASP LEU ALA SEQRES 11 A 269 ASP GLY VAL ASN SER GLY GLN GLY LEU GLY ILE GLU ILE SEQRES 12 A 269 ILE GLY THR LEU GLN LEU VAL LEU CYS VAL LEU ALA THR SEQRES 13 A 269 THR ASP ARG ARG ARG ARG ASP LEU GLY GLY SER ALA PRO SEQRES 14 A 269 LEU ALA ILE GLY LEU SER VAL ALA LEU GLY HIS LEU LEU SEQRES 15 A 269 ALA ILE ASP TYR THR GLY CYS GLY ILE ASN PRO ALA ARG SEQRES 16 A 269 SER PHE GLY SER ALA VAL ILE THR HIS ASN PHE SER ASN SEQRES 17 A 269 HIS TRP ILE PHE TRP VAL GLY PRO PHE ILE GLY GLY ALA SEQRES 18 A 269 LEU ALA VAL LEU ILE TYR ASP PHE ILE LEU ALA PRO ARG SEQRES 19 A 269 SER SER ASP LEU THR ASP ARG VAL LYS VAL TRP THR SER SEQRES 20 A 269 GLY GLN VAL GLU GLU TYR ASP LEU ASP ALA ASP ASP ILE SEQRES 21 A 269 ASN SER ARG VAL GLU MET LYS PRO LYS HELIX 1 1 LEU A 9 TYR A 37 1 29 HELIX 2 2 ASN A 49 VAL A 67 1 19 HELIX 3 3 GLY A 68 ILE A 70 5 3 HELIX 4 4 ASN A 76 SER A 86 1 11 HELIX 5 5 SER A 90 GLY A 114 1 25 HELIX 6 6 ASN A 134 THR A 157 1 24 HELIX 7 7 SER A 167 ILE A 184 1 18 HELIX 8 8 ASN A 192 HIS A 204 1 13 HELIX 9 9 PHE A 206 HIS A 209 5 4 HELIX 10 10 TRP A 210 LEU A 231 1 22 CRYST1 99.580 99.580 100.000 90.00 90.00 90.00 P 4 21 2 8 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 0.010042 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010042 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010000 0.00000