HEADER HYDROLASE 30-JAN-16 5HXD TITLE CRYSTAL STRUCTURE OF MUREIN-TRIPEPTIDE AMIDASE MPAA FROM ESCHERICHIA TITLE 2 COLI O157 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN MPAA; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 1-237; COMPND 5 SYNONYM: MUREIN-TRIPEPTIDE AMIDASE MPAA; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI O157:H7; SOURCE 3 ORGANISM_TAXID: 83334; SOURCE 4 GENE: MPAA, Z2448, ECS1905; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-21B KEYWDS ESCHERICHIA COLI O157, MPAA, MUREIN-TRIPEPTIDE AMIDASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.MA,G.BAI,X.ZHANG,J.ZHAO,Z.YUAN,X.KANG,Z.LI,S.MU,X.LIU REVDAT 3 20-NOV-24 5HXD 1 REMARK REVDAT 2 08-NOV-23 5HXD 1 REMARK REVDAT 1 08-FEB-17 5HXD 0 JRNL AUTH Y.MA,G.BAI,Y.CUI,J.ZHAO,Z.YUAN,X.LIU JRNL TITL CRYSTAL STRUCTURE OF MUREIN-TRIPEPTIDE AMIDASE MPAA FROM JRNL TITL 2 ESCHERICHIA COLI O157 AT 2.6 ANGSTROM RESOLUTION JRNL REF PROTEIN PEPT.LETT. V. 24 181 2017 JRNL REFN ISSN 0929-8665 JRNL PMID 27894248 JRNL DOI 10.2174/0929866523666161128153128 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.24 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.040 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.9 REMARK 3 NUMBER OF REFLECTIONS : 15305 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.920 REMARK 3 FREE R VALUE TEST SET COUNT : 1519 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 33.2382 - 5.7729 1.00 1326 141 0.1507 0.1912 REMARK 3 2 5.7729 - 4.5860 1.00 1292 150 0.1535 0.2182 REMARK 3 3 4.5860 - 4.0074 0.99 1296 143 0.1436 0.2109 REMARK 3 4 4.0074 - 3.6415 0.99 1341 134 0.1646 0.2274 REMARK 3 5 3.6415 - 3.3808 0.98 1281 143 0.1706 0.2344 REMARK 3 6 3.3808 - 3.1816 0.97 1251 146 0.1995 0.2771 REMARK 3 7 3.1816 - 3.0224 0.95 1252 141 0.2035 0.2890 REMARK 3 8 3.0224 - 2.8909 0.94 1232 135 0.2215 0.2825 REMARK 3 9 2.8909 - 2.7797 0.91 1200 137 0.2136 0.3415 REMARK 3 10 2.7797 - 2.6838 0.91 1199 126 0.2332 0.3494 REMARK 3 11 2.6838 - 2.5999 0.89 1116 123 0.2246 0.3272 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.350 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.280 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 : 0.009 3765 REMARK 3 ANGLE : 1.302 5146 REMARK 3 CHIRALITY : 0.045 559 REMARK 3 PLANARITY : 0.007 678 REMARK 3 DIHEDRAL : 15.633 1350 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 5HXD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-FEB-16. REMARK 100 THE DEPOSITION ID IS D_1000217895. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-OCT-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.989 REMARK 200 MONOCHROMATOR : NULL 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 : 15959 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 33.240 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.2500 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 <I/SIGMA(I)> 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: PHASER REMARK 200 STARTING MODEL: 4AXV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M ZINC ACETATE, 0.1 M SODIUM REMARK 280 CACODYLATE, 18% PEG 8000, PH 6.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,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 43.29000 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 86.58000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4880 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -89.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 SER B 186 REMARK 465 VAL B 187 REMARK 465 GLY B 188 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 LYS A 236 O HOH A 401 2.06 REMARK 500 O GLU A 110 O HOH A 402 2.14 REMARK 500 OE2 GLU A 120 O HOH A 403 2.16 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 LEU B 88 CA - CB - CG ANGL. DEV. = 15.9 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 PRO A 15 164.34 -48.31 REMARK 500 ALA A 36 78.89 -114.49 REMARK 500 THR A 65 -64.32 -102.96 REMARK 500 PRO A 102 30.37 -65.32 REMARK 500 GLN A 149 70.62 45.48 REMARK 500 HIS A 168 70.24 48.90 REMARK 500 SER A 169 -165.58 -109.27 REMARK 500 GLU A 221 -61.93 -100.69 REMARK 500 ASN B 91 -159.17 -84.31 REMARK 500 ASN B 98 27.97 -77.78 REMARK 500 TRP B 106 98.68 -67.61 REMARK 500 ASN B 116 -154.34 -147.33 REMARK 500 GLU B 120 -58.98 69.92 REMARK 500 ARG B 122 84.70 -68.85 REMARK 500 GLN B 149 74.45 49.94 REMARK 500 HIS B 168 90.64 56.42 REMARK 500 THR B 191 105.50 -54.84 REMARK 500 PRO B 213 108.31 -54.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 52 OE2 REMARK 620 2 CAC A 302 O1 158.1 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CAC A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN B 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CAC B 302 DBREF 5HXD A 1 237 UNP P0ACV7 MPAA_ECO57 1 237 DBREF 5HXD B 1 237 UNP P0ACV7 MPAA_ECO57 1 237 SEQRES 1 A 237 MET THR VAL THR ARG PRO ARG ALA GLU ARG GLY ALA PHE SEQRES 2 A 237 PRO PRO GLY THR GLU HIS TYR GLY ARG SER LEU LEU GLY SEQRES 3 A 237 ALA PRO LEU ILE TRP PHE PRO ALA PRO ALA ALA SER ARG SEQRES 4 A 237 GLU SER GLY LEU ILE LEU ALA GLY THR HIS GLY ASP GLU SEQRES 5 A 237 ASN SER SER VAL VAL THR LEU SER CYS ALA LEU ARG THR SEQRES 6 A 237 LEU THR PRO SER LEU ARG ARG HIS HIS VAL VAL LEU CYS SEQRES 7 A 237 VAL ASN PRO ASP GLY CYS GLN LEU GLY LEU ARG ALA ASN SEQRES 8 A 237 ALA ASN GLY VAL ASP LEU ASN ARG ASN PHE PRO ALA ALA SEQRES 9 A 237 ASN TRP LYS GLU GLY GLU THR VAL TYR ARG TRP ASN SER SEQRES 10 A 237 ALA ALA GLU GLU ARG ASP VAL VAL LEU LEU THR GLY ASP SEQRES 11 A 237 LYS PRO GLY SER GLU PRO GLU THR GLN ALA LEU CYS GLN SEQRES 12 A 237 LEU ILE HIS ARG ILE GLN PRO ALA TRP VAL VAL SER PHE SEQRES 13 A 237 HIS ASP PRO LEU ALA CYS ILE GLU ASP PRO ARG HIS SER SEQRES 14 A 237 GLU LEU GLY GLU TRP LEU ALA GLN ALA PHE GLU LEU PRO SEQRES 15 A 237 LEU VAL THR SER VAL GLY TYR GLU THR PRO GLY SER PHE SEQRES 16 A 237 GLY SER TRP CYS ALA ASP LEU ASN LEU HIS CYS ILE THR SEQRES 17 A 237 ALA GLU PHE PRO PRO ILE SER SER ASP GLU ALA SER GLU SEQRES 18 A 237 LYS TYR LEU PHE ALA MET ALA ASN LEU LEU ARG TRP HIS SEQRES 19 A 237 PRO LYS ASP SEQRES 1 B 237 MET THR VAL THR ARG PRO ARG ALA GLU ARG GLY ALA PHE SEQRES 2 B 237 PRO PRO GLY THR GLU HIS TYR GLY ARG SER LEU LEU GLY SEQRES 3 B 237 ALA PRO LEU ILE TRP PHE PRO ALA PRO ALA ALA SER ARG SEQRES 4 B 237 GLU SER GLY LEU ILE LEU ALA GLY THR HIS GLY ASP GLU SEQRES 5 B 237 ASN SER SER VAL VAL THR LEU SER CYS ALA LEU ARG THR SEQRES 6 B 237 LEU THR PRO SER LEU ARG ARG HIS HIS VAL VAL LEU CYS SEQRES 7 B 237 VAL ASN PRO ASP GLY CYS GLN LEU GLY LEU ARG ALA ASN SEQRES 8 B 237 ALA ASN GLY VAL ASP LEU ASN ARG ASN PHE PRO ALA ALA SEQRES 9 B 237 ASN TRP LYS GLU GLY GLU THR VAL TYR ARG TRP ASN SER SEQRES 10 B 237 ALA ALA GLU GLU ARG ASP VAL VAL LEU LEU THR GLY ASP SEQRES 11 B 237 LYS PRO GLY SER GLU PRO GLU THR GLN ALA LEU CYS GLN SEQRES 12 B 237 LEU ILE HIS ARG ILE GLN PRO ALA TRP VAL VAL SER PHE SEQRES 13 B 237 HIS ASP PRO LEU ALA CYS ILE GLU ASP PRO ARG HIS SER SEQRES 14 B 237 GLU LEU GLY GLU TRP LEU ALA GLN ALA PHE GLU LEU PRO SEQRES 15 B 237 LEU VAL THR SER VAL GLY TYR GLU THR PRO GLY SER PHE SEQRES 16 B 237 GLY SER TRP CYS ALA ASP LEU ASN LEU HIS CYS ILE THR SEQRES 17 B 237 ALA GLU PHE PRO PRO ILE SER SER ASP GLU ALA SER GLU SEQRES 18 B 237 LYS TYR LEU PHE ALA MET ALA ASN LEU LEU ARG TRP HIS SEQRES 19 B 237 PRO LYS ASP HET ZN A 301 1 HET CAC A 302 5 HET ZN B 301 1 HET CAC B 302 5 HETNAM ZN ZINC ION HETNAM CAC CACODYLATE ION HETSYN CAC DIMETHYLARSINATE FORMUL 3 ZN 2(ZN 2+) FORMUL 4 CAC 2(C2 H6 AS O2 1-) FORMUL 7 HOH *37(H2 O) HELIX 1 AA1 PRO A 6 ARG A 10 5 5 HELIX 2 AA2 GLU A 52 LEU A 66 1 15 HELIX 3 AA3 THR A 67 ARG A 71 5 5 HELIX 4 AA4 ASN A 80 LEU A 86 1 7 HELIX 5 AA5 ASP A 96 ASN A 100 5 5 HELIX 6 AA6 GLU A 135 GLN A 149 1 15 HELIX 7 AA7 SER A 169 PHE A 179 1 11 HELIX 8 AA8 SER A 194 LEU A 202 1 9 HELIX 9 AA9 SER A 215 TYR A 223 1 9 HELIX 10 AB1 TYR A 223 LEU A 231 1 9 HELIX 11 AB2 PRO B 6 ARG B 10 5 5 HELIX 12 AB3 ASN B 53 ARG B 64 1 12 HELIX 13 AB4 THR B 67 ARG B 71 5 5 HELIX 14 AB5 ASN B 80 LEU B 86 1 7 HELIX 15 AB6 ASP B 96 ASN B 100 5 5 HELIX 16 AB7 ASN B 116 GLU B 120 5 5 HELIX 17 AB8 GLU B 135 GLN B 149 1 15 HELIX 18 AB9 SER B 169 GLU B 180 1 12 HELIX 19 AC1 SER B 194 LEU B 202 1 9 HELIX 20 AC2 SER B 215 TYR B 223 1 9 HELIX 21 AC3 TYR B 223 LEU B 231 1 9 SHEET 1 AA1 2 GLU A 18 ARG A 22 0 SHEET 2 AA1 2 PRO A 28 TRP A 31 -1 O TRP A 31 N GLU A 18 SHEET 1 AA2 6 HIS A 74 VAL A 76 0 SHEET 2 AA2 6 LEU A 43 LEU A 45 1 N ILE A 44 O HIS A 74 SHEET 3 AA2 6 VAL A 153 HIS A 157 1 O VAL A 154 N LEU A 45 SHEET 4 AA2 6 CYS A 206 GLU A 210 1 O ILE A 207 N SER A 155 SHEET 5 AA2 6 CYS A 162 GLU A 164 -1 N GLU A 164 O THR A 208 SHEET 6 AA2 6 LEU A 183 VAL A 184 1 O VAL A 184 N ILE A 163 SHEET 1 AA3 2 GLU A 110 TYR A 113 0 SHEET 2 AA3 2 VAL A 124 LEU A 127 -1 O LEU A 126 N THR A 111 SHEET 1 AA4 2 GLU B 18 ARG B 22 0 SHEET 2 AA4 2 PRO B 28 TRP B 31 -1 O LEU B 29 N GLY B 21 SHEET 1 AA5 6 HIS B 74 VAL B 76 0 SHEET 2 AA5 6 LEU B 43 LEU B 45 1 N ILE B 44 O HIS B 74 SHEET 3 AA5 6 TRP B 152 HIS B 157 1 O TRP B 152 N LEU B 43 SHEET 4 AA5 6 HIS B 205 GLU B 210 1 O HIS B 205 N VAL B 153 SHEET 5 AA5 6 CYS B 162 GLU B 164 -1 N GLU B 164 O THR B 208 SHEET 6 AA5 6 LEU B 183 VAL B 184 1 O VAL B 184 N ILE B 163 SHEET 1 AA6 2 GLU B 110 TYR B 113 0 SHEET 2 AA6 2 VAL B 124 LEU B 127 -1 O LEU B 126 N THR B 111 SSBOND 1 CYS A 78 CYS A 84 1555 1555 2.08 LINK OE2 GLU A 52 ZN ZN A 301 1555 1555 2.45 LINK ZN ZN A 301 O1 CAC A 302 1555 1555 2.48 LINK ZN ZN B 301 O2 CAC B 302 1555 1555 2.64 CISPEP 1 ASP A 158 PRO A 159 0 -8.74 CISPEP 2 ASP B 158 PRO B 159 0 3.18 SITE 1 AC1 5 HIS A 49 GLU A 52 HIS A 157 ASP A 158 SITE 2 AC1 5 CAC A 302 SITE 1 AC2 8 HIS A 49 ASN A 98 ARG A 99 HIS A 157 SITE 2 AC2 8 VAL A 187 TYR A 189 GLU A 210 ZN A 301 SITE 1 AC3 5 HIS B 49 GLU B 52 HIS B 157 ASP B 158 SITE 2 AC3 5 CAC B 302 SITE 1 AC4 5 HIS B 49 ARG B 89 ASN B 98 ARG B 99 SITE 2 AC4 5 ZN B 301 CRYST1 59.893 59.893 129.870 90.00 90.00 120.00 P 31 6 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 0.016696 0.009640 0.000000 0.00000 SCALE2 0.000000 0.019279 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007700 0.00000