HEADER HYDROLASE 08-AUG-18 6AFM TITLE CRYSTAL STRUCTURE OF CLASS A B-LACTAMASE, PENL, VARIANT CYS69TYR, FROM TITLE 2 BURKHOLDERIA THAILANDENSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BURKHOLDERIA THAILANDENSIS; SOURCE 3 ORGANISM_TAXID: 57975; SOURCE 4 GENE: A8H35_31635; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS EXTENDED-SPECTRUM BETA-LACTAM, CYS69TYR, PENL, BURKHODELRIA, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.-P.CAO,J.M.CHOI,S.H.LEE REVDAT 4 22-NOV-23 6AFM 1 REMARK REVDAT 3 09-DEC-20 6AFM 1 JRNL REVDAT 2 19-FEB-20 6AFM 1 COMPND SOURCE DBREF SEQADV REVDAT 1 15-JAN-20 6AFM 0 JRNL AUTH T.-P.CAO,H.YI,I.DHANASINGH,S.GHOSH,J.M.CHOI,K.H.LEE,S.RYU, JRNL AUTH 2 H.S.KIM,S.H.LEE JRNL TITL NON-CATALYTIC-REGION MUTATIONS CONFERRING TRANSITION OF JRNL TITL 2 CLASS A BETA-LACTAMASES INTO ESBLS. JRNL REF FRONT MOL BIOSCI 2020 JRNL REFN ESSN 2296-889X JRNL DOI 10.3389/FMOLB.2020.598998 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.12_2829: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.68 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 62225 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.151 REMARK 3 R VALUE (WORKING SET) : 0.150 REMARK 3 FREE R VALUE : 0.168 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.080 REMARK 3 FREE R VALUE TEST SET COUNT : 3159 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 30.6913 - 3.6953 0.94 2633 172 0.1621 0.1618 REMARK 3 2 3.6953 - 2.9338 1.00 2658 138 0.1514 0.1597 REMARK 3 3 2.9338 - 2.5632 1.00 2638 121 0.1636 0.1697 REMARK 3 4 2.5632 - 2.3289 1.00 2632 143 0.1565 0.1969 REMARK 3 5 2.3289 - 2.1621 1.00 2600 142 0.1494 0.1670 REMARK 3 6 2.1621 - 2.0346 1.00 2565 147 0.1424 0.1549 REMARK 3 7 2.0346 - 1.9327 1.00 2602 131 0.1447 0.1733 REMARK 3 8 1.9327 - 1.8486 1.00 2598 149 0.1497 0.1700 REMARK 3 9 1.8486 - 1.7775 1.00 2542 155 0.1568 0.1732 REMARK 3 10 1.7775 - 1.7161 1.00 2549 147 0.1477 0.1827 REMARK 3 11 1.7161 - 1.6625 1.00 2571 142 0.1465 0.1839 REMARK 3 12 1.6625 - 1.6149 1.00 2557 139 0.1356 0.1515 REMARK 3 13 1.6149 - 1.5724 1.00 2582 124 0.1350 0.1673 REMARK 3 14 1.5724 - 1.5341 1.00 2546 132 0.1434 0.1571 REMARK 3 15 1.5341 - 1.4992 1.00 2585 117 0.1389 0.1791 REMARK 3 16 1.4992 - 1.4673 0.99 2550 133 0.1401 0.1756 REMARK 3 17 1.4673 - 1.4379 1.00 2517 135 0.1401 0.1446 REMARK 3 18 1.4379 - 1.4108 0.99 2544 138 0.1412 0.1706 REMARK 3 19 1.4108 - 1.3856 0.99 2531 142 0.1422 0.1564 REMARK 3 20 1.3856 - 1.3621 0.99 2502 131 0.1426 0.1662 REMARK 3 21 1.3621 - 1.3402 0.99 2526 130 0.1425 0.1402 REMARK 3 22 1.3402 - 1.3195 0.99 2513 134 0.1418 0.1734 REMARK 3 23 1.3195 - 1.3001 0.98 2525 117 0.1532 0.1828 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.070 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.710 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.005 2077 REMARK 3 ANGLE : 0.830 2821 REMARK 3 CHIRALITY : 0.075 322 REMARK 3 PLANARITY : 0.005 375 REMARK 3 DIHEDRAL : 10.727 1198 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 6.4271 -7.5731 -15.7840 REMARK 3 T TENSOR REMARK 3 T11: 0.0282 T22: 0.0391 REMARK 3 T33: 0.0322 T12: -0.0062 REMARK 3 T13: 0.0038 T23: 0.0085 REMARK 3 L TENSOR REMARK 3 L11: 0.4854 L22: 0.7433 REMARK 3 L33: 0.5334 L12: -0.1709 REMARK 3 L13: 0.0212 L23: 0.2010 REMARK 3 S TENSOR REMARK 3 S11: 0.0027 S12: 0.0141 S13: 0.0424 REMARK 3 S21: -0.0206 S22: 0.0071 S23: -0.0422 REMARK 3 S31: -0.0268 S32: 0.0068 S33: 0.0002 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6AFM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-AUG-18. REMARK 100 THE DEPOSITION ID IS D_1300008665. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-DEC-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PAL/PLS REMARK 200 BEAMLINE : 5C (4A) REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97951 REMARK 200 MONOCHROMATOR : DCM SI (111) CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 62299 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 49.4700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.32 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.09800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 5GL9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200 MM SODIUM ACETATE TRIHYDRATE 20% REMARK 280 (W/V) POLYETHYLENE GLYCOL 3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 277K 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 19.23850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.36550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.49050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 61.36550 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.23850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.49050 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: MONOMERIC 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 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 PHE A 41 O HOH A 301 2.17 REMARK 500 O HOH A 328 O HOH A 728 2.17 REMARK 500 O HOH A 305 O HOH A 599 2.17 REMARK 500 REMARK 500 REMARK: NULL 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 ARG A 268 NE - CZ - NH1 ANGL. DEV. = -3.6 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 TYR A 69 -139.60 48.33 REMARK 500 TYR A 105 64.62 65.85 REMARK 500 ARG A 220 -119.83 -108.02 REMARK 500 ASP A 255 18.49 -143.43 REMARK 500 ASP A 255 18.01 -143.43 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 769 DISTANCE = 5.99 ANGSTROMS REMARK 525 HOH A 770 DISTANCE = 6.51 ANGSTROMS REMARK 525 HOH A 771 DISTANCE = 6.69 ANGSTROMS REMARK 525 HOH A 772 DISTANCE = 7.10 ANGSTROMS REMARK 525 HOH A 773 DISTANCE = 7.18 ANGSTROMS REMARK 525 HOH A 774 DISTANCE = 7.22 ANGSTROMS REMARK 525 HOH A 775 DISTANCE = 7.31 ANGSTROMS REMARK 525 HOH A 776 DISTANCE = 7.78 ANGSTROMS REMARK 525 HOH A 777 DISTANCE = 8.11 ANGSTROMS REMARK 525 HOH A 778 DISTANCE = 8.97 ANGSTROMS REMARK 999 REMARK 999 SEQUENCE REMARK 999 C69Y IS ISOLATED FROM BACTERIAL COLONIES THAT RESISTED TO REMARK 999 ANTIBIOTIC, THUS THE MUTATION WAS NOT ACTUALLY ENGINEERED USING REMARK 999 ARTIFICIAL METHOD LIKE SITE-DIRECTED MUTAGENESIS. DBREF1 6AFM A 26 291 UNP A0A2Z4SUB5_BURTH DBREF2 6AFM A A0A2Z4SUB5 31 294 SEQADV 6AFM GLY A 22 UNP A0A2Z4SUB EXPRESSION TAG SEQADV 6AFM SER A 23 UNP A0A2Z4SUB EXPRESSION TAG SEQADV 6AFM HIS A 24 UNP A0A2Z4SUB EXPRESSION TAG SEQADV 6AFM MET A 25 UNP A0A2Z4SUB EXPRESSION TAG SEQADV 6AFM TYR A 69 UNP A0A2Z4SUB CYS 74 ENGINEERED MUTATION SEQRES 1 A 268 GLY SER HIS MET ARG ASN VAL ALA ALA GLU GLN GLN LEU SEQRES 2 A 268 ARG GLU LEU GLU SER THR PHE ASP GLY ARG LEU GLY PHE SEQRES 3 A 268 VAL ALA LEU ASP THR ALA THR GLY ALA ARG ILE ALA HIS SEQRES 4 A 268 ARG ALA ASP GLU ARG PHE PRO PHE TYR SER THR PHE LYS SEQRES 5 A 268 THR MET LEU SER ALA ALA VAL LEU ALA ARG SER ALA GLY SEQRES 6 A 268 ASP ALA ALA LEU LEU GLN ARG ARG ILE PRO TYR ALA LYS SEQRES 7 A 268 ARG ASP LEU VAL ARG TYR SER PRO ILE THR GLU LYS HIS SEQRES 8 A 268 VAL GLY ALA GLY MET THR VAL ALA GLU LEU CYS ALA ALA SEQRES 9 A 268 THR LEU GLN TYR SER ASP ASN THR ALA ALA ASN LEU LEU SEQRES 10 A 268 ILE ALA LEU LEU GLY GLY PRO GLN ALA VAL THR ALA TYR SEQRES 11 A 268 ALA ARG SER ILE GLY ASP ALA THR PHE ARG LEU ASP ARG SEQRES 12 A 268 ARG GLU THR GLU LEU ASN THR ALA ILE PRO GLY ASP GLU SEQRES 13 A 268 ARG ASP THR THR THR PRO ALA ALA MET ALA ALA SER VAL SEQRES 14 A 268 ARG ARG LEU LEU VAL GLY ASP ALA LEU GLY THR ALA GLN SEQRES 15 A 268 ARG ALA GLN LEU ASN ALA TRP MET LEU GLY ASN LYS THR SEQRES 16 A 268 GLY ASP ALA ARG ILE ARG ALA GLY VAL PRO ALA GLY TRP SEQRES 17 A 268 ARG VAL ALA ASP LYS THR GLY THR GLY ASP TYR GLY THR SEQRES 18 A 268 GLY ASN ASP ILE GLY VAL ALA TYR PRO PRO ASP ARG ALA SEQRES 19 A 268 PRO ILE VAL PHE VAL VAL TYR THR THR MET ARG SER ARG SEQRES 20 A 268 ASN ALA GLN ALA ARG ASP ASP VAL ILE ALA SER ALA ALA SEQRES 21 A 268 ARG ILE ALA ALA ARG ALA PHE VAL FORMUL 2 HOH *478(H2 O) HELIX 1 AA1 SER A 23 SER A 39 1 17 HELIX 2 AA2 THR A 71 ALA A 85 1 15 HELIX 3 AA3 ALA A 89 GLN A 92 5 4 HELIX 4 AA4 ALA A 98 LEU A 102 5 5 HELIX 5 AA5 ILE A 108 HIS A 112 5 5 HELIX 6 AA6 VAL A 119 TYR A 129 1 11 HELIX 7 AA7 ASP A 131 GLY A 143 1 13 HELIX 8 AA8 GLY A 144 ILE A 155 1 12 HELIX 9 AA9 THR A 167 THR A 171 5 5 HELIX 10 AB1 THR A 182 VAL A 195 1 14 HELIX 11 AB2 GLY A 200 GLY A 213 1 14 HELIX 12 AB3 ARG A 220 VAL A 225 1 6 HELIX 13 AB4 ASN A 271 VAL A 291 1 21 SHEET 1 AA1 5 ARG A 57 HIS A 60 0 SHEET 2 AA1 5 LEU A 45 ASP A 51 -1 N PHE A 47 O HIS A 60 SHEET 3 AA1 5 ILE A 259 THR A 265 -1 O TYR A 264 N GLY A 46 SHEET 4 AA1 5 ASN A 245 TYR A 251 -1 N ALA A 250 O ILE A 259 SHEET 5 AA1 5 ARG A 230 GLY A 236 -1 N ARG A 230 O TYR A 251 SHEET 1 AA2 2 PHE A 66 PRO A 67 0 SHEET 2 AA2 2 THR A 180 THR A 181 -1 O THR A 181 N PHE A 66 SHEET 1 AA3 2 ARG A 94 TYR A 97 0 SHEET 2 AA3 2 GLY A 114 THR A 118 -1 O GLY A 114 N TYR A 97 CISPEP 1 GLU A 166 THR A 167 0 6.62 CRYST1 38.477 52.981 122.731 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 0.025990 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018875 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008148 0.00000