HEADER ANTIMICROBIAL PROTEIN 06-JAN-22 7QQ5 TITLE STRUCTURE OF CTX-M-15 K73A MUTANT CRYSTALLISED IN THE PRESENCE OF TITLE 2 ENMETAZOBACTAM (AAI101) COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.2.6; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: KLEBSIELLA PNEUMONIAE IS53; SOURCE 3 ORGANISM_TAXID: 1432554; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: SOLUBL21 KEYWDS BETA-LACTAMASE, INHIBITOR, ANTIBIOTIC RESISTANCE, CROSS-LINK, KEYWDS 2 ANTIMICROBIAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR C.L.TOOKE,P.HINCHLIFFE,J.SPENCER REVDAT 5 06-NOV-24 7QQ5 1 REMARK REVDAT 4 31-JAN-24 7QQ5 1 REMARK REVDAT 3 06-JUL-22 7QQ5 1 JRNL REVDAT 2 01-JUN-22 7QQ5 1 JRNL REVDAT 1 25-MAY-22 7QQ5 0 JRNL AUTH P.HINCHLIFFE,C.L.TOOKE,C.R.BETHEL,B.WANG,C.ARTHUR, JRNL AUTH 2 K.J.HEESOM,S.SHAPIRO,D.M.SCHLATZER,K.M.PAPP-WALLACE, JRNL AUTH 3 R.A.BONOMO,J.SPENCER JRNL TITL PENICILLANIC ACID SULFONES INACTIVATE THE EXTENDED-SPECTRUM JRNL TITL 2 BETA-LACTAMASE CTX-M-15 THROUGH FORMATION OF A SERINE-LYSINE JRNL TITL 3 CROSS-LINK: AN ALTERNATIVE MECHANISM OF BETA-LACTAMASE JRNL TITL 4 INHIBITION. JRNL REF MBIO V. 13 79321 2022 JRNL REFN ESSN 2150-7511 JRNL PMID 35612361 JRNL DOI 10.1128/MBIO.01793-21 REMARK 2 REMARK 2 RESOLUTION. 0.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 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) : 0.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.39 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 150858 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.145 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.161 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 7514 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 42.3900 - 2.9500 1.00 5190 212 0.1452 0.1597 REMARK 3 2 2.9500 - 2.3400 1.00 4935 241 0.1131 0.1331 REMARK 3 3 2.3400 - 2.0500 1.00 4911 233 0.1032 0.1146 REMARK 3 4 2.0500 - 1.8600 1.00 4875 236 0.1003 0.1091 REMARK 3 5 1.8600 - 1.7300 1.00 4806 253 0.1049 0.1257 REMARK 3 6 1.7300 - 1.6200 1.00 4813 275 0.1048 0.1238 REMARK 3 7 1.6200 - 1.5400 1.00 4870 191 0.1063 0.1321 REMARK 3 8 1.5400 - 1.4800 1.00 4793 245 0.1059 0.1234 REMARK 3 9 1.4800 - 1.4200 1.00 4775 242 0.1153 0.1300 REMARK 3 10 1.4200 - 1.3700 1.00 4758 301 0.1276 0.1563 REMARK 3 11 1.3700 - 1.3300 1.00 4791 238 0.1329 0.1579 REMARK 3 12 1.3300 - 1.2900 1.00 4787 243 0.1341 0.1563 REMARK 3 13 1.2900 - 1.2600 1.00 4737 245 0.1381 0.1628 REMARK 3 14 1.2600 - 1.2200 1.00 4766 248 0.1467 0.1668 REMARK 3 15 1.2200 - 1.2000 1.00 4740 252 0.1491 0.1599 REMARK 3 16 1.2000 - 1.1700 1.00 4763 269 0.1569 0.1738 REMARK 3 17 1.1700 - 1.1500 1.00 4728 249 0.1665 0.1798 REMARK 3 18 1.1500 - 1.1300 1.00 4734 267 0.1739 0.1809 REMARK 3 19 1.1300 - 1.1100 1.00 4746 258 0.1868 0.1992 REMARK 3 20 1.1100 - 1.0900 1.00 4734 254 0.1995 0.2007 REMARK 3 21 1.0900 - 1.0700 1.00 4707 258 0.2069 0.2245 REMARK 3 22 1.0700 - 1.0500 1.00 4779 250 0.2237 0.2252 REMARK 3 23 1.0500 - 1.0400 1.00 4701 242 0.2386 0.2344 REMARK 3 24 1.0400 - 1.0200 1.00 4728 262 0.2574 0.2671 REMARK 3 25 1.0200 - 1.0100 1.00 4726 247 0.2719 0.2550 REMARK 3 26 1.0100 - 1.0000 1.00 4657 252 0.2816 0.2680 REMARK 3 27 1.0000 - 0.9800 1.00 4730 265 0.3113 0.3149 REMARK 3 28 0.9800 - 0.9700 1.00 4714 269 0.3210 0.3084 REMARK 3 29 0.9700 - 0.9600 1.00 4763 230 0.3467 0.3476 REMARK 3 30 0.9600 - 0.9500 0.98 4587 287 0.3522 0.3893 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) : 0.120 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.640 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.56 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 7QQ5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-JAN-22. REMARK 100 THE DEPOSITION ID IS D_1292118973. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-SEP-20 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 : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.72 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : DIALS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 151225 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.950 REMARK 200 RESOLUTION RANGE LOW (A) : 42.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 13.00 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 6QW8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.0 M AMMONIUM SULPHATE, 0.1 M TRIS REMARK 280 8.0, 1 MM ENMETAZOBACTAM, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 294.15K 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 22.38800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.61750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.73250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.61750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.38800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 22.73250 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 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 GLY A 24 REMARK 465 PRO A 25 REMARK 465 GLN A 26 REMARK 465 THR A 27 REMARK 465 GLY A 287 REMARK 465 LEU A 288 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 OD1 ASN A 89 HD22 ASN A 92 1.49 REMARK 500 HH12 ARG A 204 O HOH A 406 1.57 REMARK 500 OD1 ASN A 132 O HOH A 401 1.79 REMARK 500 O HOH A 529 O HOH A 580 1.96 REMARK 500 O HOH A 655 O HOH A 711 1.98 REMARK 500 O2 SO4 A 304 O HOH A 402 2.07 REMARK 500 O PRO A 88 O HOH A 403 2.07 REMARK 500 O HOH A 590 O HOH A 650 2.07 REMARK 500 O HOH A 639 O HOH A 674 2.07 REMARK 500 O HOH A 597 O HOH A 650 2.09 REMARK 500 O HOH A 548 O HOH A 630 2.15 REMARK 500 O HOH A 636 O HOH A 690 2.16 REMARK 500 O1 SO4 A 304 O HOH A 402 2.16 REMARK 500 O HOH A 653 O HOH A 679 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 636 O HOH A 673 3555 2.02 REMARK 500 O HOH A 636 O HOH A 733 3555 2.10 REMARK 500 O HOH A 496 O HOH A 647 3555 2.15 REMARK 500 OD2 ASP A 253 O HOH A 707 1545 2.16 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 CYS A 69 -139.66 49.49 REMARK 500 DSN A 70 -18.55 -59.64 REMARK 500 VAL A 103 -136.86 -116.20 REMARK 500 VAL A 103 -142.62 -122.82 REMARK 500 SER A 220 -123.89 -106.42 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 735 DISTANCE = 6.18 ANGSTROMS DBREF 7QQ5 A 26 288 UNP W1EPV7 W1EPV7_KLEPN 29 291 SEQADV 7QQ5 GLY A 24 UNP W1EPV7 EXPRESSION TAG SEQADV 7QQ5 PRO A 25 UNP W1EPV7 EXPRESSION TAG SEQADV 7QQ5 DSN A 70 UNP W1EPV7 SER 73 CONFLICT SEQADV 7QQ5 ALA A 73 UNP W1EPV7 LYS 76 ENGINEERED MUTATION SEQRES 1 A 265 GLY PRO GLN THR ALA ASP VAL GLN GLN LYS LEU ALA GLU SEQRES 2 A 265 LEU GLU ARG GLN SER GLY GLY ARG LEU GLY VAL ALA LEU SEQRES 3 A 265 ILE ASN THR ALA ASP ASN SER GLN ILE LEU TYR ARG ALA SEQRES 4 A 265 ASP GLU ARG PHE ALA MET CYS DSN THR SER ALA VAL MET SEQRES 5 A 265 ALA ALA ALA ALA VAL LEU LYS LYS SER GLU SER GLU PRO SEQRES 6 A 265 ASN LEU LEU ASN GLN ARG VAL GLU ILE LYS LYS SER ASP SEQRES 7 A 265 LEU VAL ASN TYR ASN PRO ILE ALA GLU LYS HIS VAL ASN SEQRES 8 A 265 GLY THR MET SER LEU ALA GLU LEU SER ALA ALA ALA LEU SEQRES 9 A 265 GLN TYR SER ASP ASN VAL ALA MET ASN LYS LEU ILE ALA SEQRES 10 A 265 HIS VAL GLY GLY PRO ALA SER VAL THR ALA PHE ALA ARG SEQRES 11 A 265 GLN LEU GLY ASP GLU THR PHE ARG LEU ASP ARG THR GLU SEQRES 12 A 265 PRO THR LEU ASN THR ALA ILE PRO GLY ASP PRO ARG ASP SEQRES 13 A 265 THR THR SER PRO ARG ALA MET ALA GLN THR LEU ARG ASN SEQRES 14 A 265 LEU THR LEU GLY LYS ALA LEU GLY ASP SER GLN ARG ALA SEQRES 15 A 265 GLN LEU VAL THR TRP MET LYS GLY ASN THR THR GLY ALA SEQRES 16 A 265 ALA SER ILE GLN ALA GLY LEU PRO ALA SER TRP VAL VAL SEQRES 17 A 265 GLY ASP LYS THR GLY SER GLY GLY TYR GLY THR THR ASN SEQRES 18 A 265 ASP ILE ALA VAL ILE TRP PRO LYS ASP ARG ALA PRO LEU SEQRES 19 A 265 ILE LEU VAL THR TYR PHE THR GLN PRO GLN PRO LYS ALA SEQRES 20 A 265 GLU SER ARG ARG ASP VAL LEU ALA SER ALA ALA LYS ILE SEQRES 21 A 265 VAL THR ASP GLY LEU HET DSN A 70 11 HET SO4 A 301 5 HET SO4 A 302 5 HET CL A 303 1 HET SO4 A 304 5 HET SO4 A 305 5 HETNAM DSN D-SERINE HETNAM SO4 SULFATE ION HETNAM CL CHLORIDE ION FORMUL 1 DSN C3 H7 N O3 FORMUL 2 SO4 4(O4 S 2-) FORMUL 4 CL CL 1- FORMUL 7 HOH *335(H2 O) HELIX 1 AA1 ALA A 28 GLY A 42 1 15 HELIX 2 AA2 CYS A 69 THR A 71 5 3 HELIX 3 AA3 SER A 72 GLU A 85 1 14 HELIX 4 AA4 LYS A 98 LEU A 102 5 5 HELIX 5 AA5 ILE A 108 HIS A 112 5 5 HELIX 6 AA6 LEU A 119 SER A 130 1 12 HELIX 7 AA7 ASP A 131 GLY A 143 1 13 HELIX 8 AA8 GLY A 144 GLY A 156 1 13 HELIX 9 AA9 PRO A 167 THR A 171 5 5 HELIX 10 AB1 SER A 182 LEU A 195 1 14 HELIX 11 AB2 GLY A 200 GLY A 213 1 14 HELIX 12 AB3 SER A 220 LEU A 225 5 6 HELIX 13 AB4 ARG A 273 ASP A 286 1 14 SHEET 1 AA1 5 SER A 56 TYR A 60 0 SHEET 2 AA1 5 ARG A 44 ASN A 51 -1 N VAL A 47 O TYR A 60 SHEET 3 AA1 5 LEU A 257 THR A 264 -1 O TYR A 262 N GLY A 46 SHEET 4 AA1 5 THR A 242 TRP A 250 -1 N THR A 243 O PHE A 263 SHEET 5 AA1 5 VAL A 230 GLY A 238 -1 N VAL A 230 O TRP A 250 SHEET 1 AA2 2 PHE A 66 ALA 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 GLU A 96 0 SHEET 2 AA3 2 THR A 116 SER A 118 -1 O MET A 117 N VAL A 95 LINK C CYS A 69 N DSN A 70 1555 1555 1.33 LINK C DSN A 70 N THR A 71 1555 1555 1.34 CISPEP 1 GLU A 166 PRO A 167 0 6.21 CRYST1 44.776 45.465 117.235 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 0.022333 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021995 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008530 0.00000