HEADER HYDROLASE 10-MAY-19 6OWN TITLE CRYSTAL STRUCTURE OF MSM DNAB1 INTEIN SPLICING DOMAIN BOUND WITH ZINC COMPND MOL_ID: 1; COMPND 2 MOLECULE: REPLICATIVE DNA HELICASE; COMPND 3 CHAIN: A, B, C; COMPND 4 FRAGMENT: MSM DNAB1 INTEIN; COMPND 5 EC: 3.6.4.12; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM SMEGMATIS; SOURCE 3 ORGANISM_TAXID: 1772; SOURCE 4 GENE: DNAB, ERS451418_06678; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS SPLICING INTEIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR V.R.BACOT-DAVIS,M.BELFORT,C.LENNON REVDAT 3 11-OCT-23 6OWN 1 REMARK REVDAT 2 25-NOV-20 6OWN 1 JRNL REVDAT 1 13-MAY-20 6OWN 0 JRNL AUTH D.WOODS,S.VANGAVETI,I.EGBANUM,A.M.SWEENEY,Z.LI, JRNL AUTH 2 V.BACOT-DAVIS,D.S.LESASSIER,M.STANGER,G.E.HARDISON,H.LI, JRNL AUTH 3 M.BELFORT,C.W.LENNON JRNL TITL CONDITIONAL DNAB PROTEIN SPLICING IS REVERSIBLY INHIBITED BY JRNL TITL 2 ZINC IN MYCOBACTERIA. JRNL REF MBIO V. 11 2020 JRNL REFN ESSN 2150-7511 JRNL PMID 32665276 JRNL DOI 10.1128/MBIO.01403-20 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.11.1_2575 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.48 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 31743 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.211 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.960 REMARK 3 FREE R VALUE TEST SET COUNT : 1573 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 38.4790 - 4.3349 0.91 2644 141 0.1956 0.2568 REMARK 3 2 4.3349 - 3.4414 0.94 2697 145 0.1715 0.1951 REMARK 3 3 3.4414 - 3.0066 0.96 2740 142 0.1857 0.2071 REMARK 3 4 3.0066 - 2.7318 0.97 2738 141 0.2039 0.2242 REMARK 3 5 2.7318 - 2.5360 0.98 2768 144 0.2159 0.2551 REMARK 3 6 2.5360 - 2.3865 0.98 2747 145 0.2237 0.2477 REMARK 3 7 2.3865 - 2.2670 0.98 2773 138 0.2311 0.2810 REMARK 3 8 2.2670 - 2.1684 0.99 2784 149 0.2386 0.2946 REMARK 3 9 2.1684 - 2.0849 0.99 2779 147 0.2562 0.2995 REMARK 3 10 2.0849 - 2.0129 0.99 2780 139 0.2805 0.3029 REMARK 3 11 2.0129 - 1.9500 0.98 2720 142 0.3213 0.3513 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) : 0.290 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.780 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.77 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 2927 REMARK 3 ANGLE : 0.763 4028 REMARK 3 CHIRALITY : 0.055 476 REMARK 3 PLANARITY : 0.005 535 REMARK 3 DIHEDRAL : 2.819 1959 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 6OWN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAY-19. REMARK 100 THE DEPOSITION ID IS D_1000241393. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JUN-18 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 : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31743 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 38.479 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 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 : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: PDB ENTRY 6BS8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.79 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, SODIUM ACETATE, SODIUM CHLORIDE, REMARK 280 AND ZINC CHLORIDE., VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 28.45700 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 ALA A 89 REMARK 465 SER A 90 REMARK 465 GLY A 91 REMARK 465 GLY A 92 REMARK 465 ARG A 93 REMARK 465 GLY A 94 REMARK 465 GLY A 95 REMARK 465 THR A 96 REMARK 465 ALA A 97 REMARK 465 LEU A 98 REMARK 465 LEU A 99 REMARK 465 ALA A 100 REMARK 465 ALA B 89 REMARK 465 SER B 90 REMARK 465 GLY B 91 REMARK 465 GLY B 92 REMARK 465 ARG B 93 REMARK 465 GLY B 94 REMARK 465 GLY B 95 REMARK 465 THR B 96 REMARK 465 ALA B 97 REMARK 465 LEU B 98 REMARK 465 SER C 88 REMARK 465 ALA C 89 REMARK 465 SER C 90 REMARK 465 GLY C 91 REMARK 465 GLY C 92 REMARK 465 ARG C 93 REMARK 465 GLY C 94 REMARK 465 GLY C 95 REMARK 465 THR C 96 REMARK 465 ALA C 97 REMARK 465 LEU C 98 REMARK 465 LEU C 99 REMARK 465 ALA C 100 REMARK 465 PRO C 101 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 SER A 88 OG 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 LEU A 26 -165.01 -102.71 REMARK 500 LEU B 26 -169.80 -101.78 REMARK 500 LEU C 26 -166.40 -109.33 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 B 395 DISTANCE = 6.31 ANGSTROMS REMARK 525 HOH B 396 DISTANCE = 6.57 ANGSTROMS REMARK 525 HOH C 366 DISTANCE = 6.41 ANGSTROMS 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 C 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS C 118 SG REMARK 620 2 TYR C 128 OH 138.7 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN C 201 DBREF1 6OWN A 1 139 UNP A0A0D6J385_MYCSM DBREF2 6OWN A A0A0D6J385 238 376 DBREF1 6OWN B 1 139 UNP A0A0D6J385_MYCSM DBREF2 6OWN B A0A0D6J385 238 376 DBREF1 6OWN C 1 139 UNP A0A0D6J385_MYCSM DBREF2 6OWN C A0A0D6J385 238 376 SEQRES 1 A 139 ALA LEU ALA LEU ASP THR PRO LEU PRO THR PRO SER GLY SEQRES 2 A 139 TRP THR THR MET GLY ASP VAL ALA VAL GLY ASP HIS LEU SEQRES 3 A 139 LEU GLY PRO ASP GLY GLU PRO THR ARG VAL VAL ALA ASP SEQRES 4 A 139 THR ASP VAL MET LEU GLY ARG PRO CYS TYR VAL VAL GLU SEQRES 5 A 139 PHE SER ASP GLY THR ALA ILE VAL ALA ASP ALA GLN HIS SEQRES 6 A 139 GLN TRP PRO THR GLU HIS GLY VAL ARG ILE THR ALA ASN SEQRES 7 A 139 LEU ARG ALA GLY MET HIS THR VAL VAL SER ALA SER GLY SEQRES 8 A 139 GLY ARG GLY GLY THR ALA LEU LEU ALA PRO ALA VAL GLN SEQRES 9 A 139 ILE THR ALA VAL ARG ARG ARG PRO SER VAL PRO VAL ARG SEQRES 10 A 139 CYS VAL GLU VAL ASP ASN PRO GLU HIS LEU TYR LEU ALA SEQRES 11 A 139 GLY PRO GLY MET VAL PRO THR HIS ASN SEQRES 1 B 139 ALA LEU ALA LEU ASP THR PRO LEU PRO THR PRO SER GLY SEQRES 2 B 139 TRP THR THR MET GLY ASP VAL ALA VAL GLY ASP HIS LEU SEQRES 3 B 139 LEU GLY PRO ASP GLY GLU PRO THR ARG VAL VAL ALA ASP SEQRES 4 B 139 THR ASP VAL MET LEU GLY ARG PRO CYS TYR VAL VAL GLU SEQRES 5 B 139 PHE SER ASP GLY THR ALA ILE VAL ALA ASP ALA GLN HIS SEQRES 6 B 139 GLN TRP PRO THR GLU HIS GLY VAL ARG ILE THR ALA ASN SEQRES 7 B 139 LEU ARG ALA GLY MET HIS THR VAL VAL SER ALA SER GLY SEQRES 8 B 139 GLY ARG GLY GLY THR ALA LEU LEU ALA PRO ALA VAL GLN SEQRES 9 B 139 ILE THR ALA VAL ARG ARG ARG PRO SER VAL PRO VAL ARG SEQRES 10 B 139 CYS VAL GLU VAL ASP ASN PRO GLU HIS LEU TYR LEU ALA SEQRES 11 B 139 GLY PRO GLY MET VAL PRO THR HIS ASN SEQRES 1 C 139 ALA LEU ALA LEU ASP THR PRO LEU PRO THR PRO SER GLY SEQRES 2 C 139 TRP THR THR MET GLY ASP VAL ALA VAL GLY ASP HIS LEU SEQRES 3 C 139 LEU GLY PRO ASP GLY GLU PRO THR ARG VAL VAL ALA ASP SEQRES 4 C 139 THR ASP VAL MET LEU GLY ARG PRO CYS TYR VAL VAL GLU SEQRES 5 C 139 PHE SER ASP GLY THR ALA ILE VAL ALA ASP ALA GLN HIS SEQRES 6 C 139 GLN TRP PRO THR GLU HIS GLY VAL ARG ILE THR ALA ASN SEQRES 7 C 139 LEU ARG ALA GLY MET HIS THR VAL VAL SER ALA SER GLY SEQRES 8 C 139 GLY ARG GLY GLY THR ALA LEU LEU ALA PRO ALA VAL GLN SEQRES 9 C 139 ILE THR ALA VAL ARG ARG ARG PRO SER VAL PRO VAL ARG SEQRES 10 C 139 CYS VAL GLU VAL ASP ASN PRO GLU HIS LEU TYR LEU ALA SEQRES 11 C 139 GLY PRO GLY MET VAL PRO THR HIS ASN HET ZN A 201 1 HET ZN A 202 1 HET ZN A 203 1 HET ZN B 201 1 HET ZN C 201 1 HETNAM ZN ZINC ION FORMUL 4 ZN 5(ZN 2+) FORMUL 9 HOH *261(H2 O) HELIX 1 AA1 ALA A 77 LEU A 79 5 3 HELIX 2 AA2 ALA B 77 LEU B 79 5 3 HELIX 3 AA3 ALA C 77 LEU C 79 5 3 SHEET 1 AA1 2 LEU A 2 ALA A 3 0 SHEET 2 AA1 2 VAL A 116 ARG A 117 -1 O ARG A 117 N LEU A 2 SHEET 1 AA2 2 PRO A 7 THR A 10 0 SHEET 2 AA2 2 GLY A 13 THR A 16 -1 O GLY A 13 N THR A 10 SHEET 1 AA3 3 HIS A 25 LEU A 27 0 SHEET 2 AA3 3 PRO A 33 ASP A 39 -1 O THR A 34 N LEU A 26 SHEET 3 AA3 3 VAL A 119 VAL A 121 -1 O GLU A 120 N ALA A 38 SHEET 1 AA4 4 ALA A 58 ASP A 62 0 SHEET 2 AA4 4 CYS A 48 PHE A 53 -1 N VAL A 51 O ILE A 59 SHEET 3 AA4 4 VAL A 103 ARG A 111 -1 O ALA A 107 N GLU A 52 SHEET 4 AA4 4 HIS A 84 THR A 85 -1 N THR A 85 O VAL A 103 SHEET 1 AA5 2 GLN A 66 THR A 69 0 SHEET 2 AA5 2 GLY A 72 ILE A 75 -1 O ARG A 74 N TRP A 67 SHEET 1 AA6 2 LEU A 127 ALA A 130 0 SHEET 2 AA6 2 VAL A 135 HIS A 138 -1 O VAL A 135 N ALA A 130 SHEET 1 AA7 2 LEU B 2 ALA B 3 0 SHEET 2 AA7 2 VAL B 116 ARG B 117 -1 O ARG B 117 N LEU B 2 SHEET 1 AA8 2 PRO B 7 THR B 10 0 SHEET 2 AA8 2 GLY B 13 THR B 16 -1 O THR B 15 N LEU B 8 SHEET 1 AA9 3 HIS B 25 LEU B 27 0 SHEET 2 AA9 3 PRO B 33 ASP B 39 -1 O THR B 34 N LEU B 26 SHEET 3 AA9 3 VAL B 119 VAL B 121 -1 O GLU B 120 N ALA B 38 SHEET 1 AB1 4 ALA B 58 ASP B 62 0 SHEET 2 AB1 4 CYS B 48 PHE B 53 -1 N VAL B 51 O ILE B 59 SHEET 3 AB1 4 ALA B 100 ARG B 111 -1 O ARG B 109 N VAL B 50 SHEET 4 AB1 4 HIS B 84 VAL B 87 -1 N THR B 85 O VAL B 103 SHEET 1 AB2 2 GLN B 66 THR B 69 0 SHEET 2 AB2 2 GLY B 72 ILE B 75 -1 O ARG B 74 N TRP B 67 SHEET 1 AB3 2 LEU B 127 ALA B 130 0 SHEET 2 AB3 2 VAL B 135 HIS B 138 -1 O VAL B 135 N ALA B 130 SHEET 1 AB4 2 LEU C 2 ALA C 3 0 SHEET 2 AB4 2 VAL C 116 ARG C 117 -1 O ARG C 117 N LEU C 2 SHEET 1 AB5 2 PRO C 7 THR C 10 0 SHEET 2 AB5 2 GLY C 13 THR C 16 -1 O GLY C 13 N THR C 10 SHEET 1 AB6 3 HIS C 25 LEU C 27 0 SHEET 2 AB6 3 PRO C 33 ASP C 39 -1 O THR C 34 N LEU C 26 SHEET 3 AB6 3 VAL C 119 VAL C 121 -1 O GLU C 120 N VAL C 37 SHEET 1 AB7 4 ALA C 58 ASP C 62 0 SHEET 2 AB7 4 CYS C 48 PHE C 53 -1 N TYR C 49 O ALA C 61 SHEET 3 AB7 4 VAL C 103 ARG C 111 -1 O ARG C 109 N VAL C 50 SHEET 4 AB7 4 HIS C 84 THR C 85 -1 N THR C 85 O VAL C 103 SHEET 1 AB8 2 GLN C 66 THR C 69 0 SHEET 2 AB8 2 GLY C 72 ILE C 75 -1 O ARG C 74 N TRP C 67 SHEET 1 AB9 2 LEU C 127 ALA C 130 0 SHEET 2 AB9 2 VAL C 135 HIS C 138 -1 O VAL C 135 N ALA C 130 LINK SG CYS A 118 ZN ZN A 202 1555 1555 2.31 LINK SG CYS B 118 ZN ZN B 201 1555 1555 2.26 LINK SG CYS C 118 ZN ZN C 201 1555 1555 2.35 LINK OH TYR C 128 ZN ZN C 201 1555 1555 2.55 SITE 1 AC1 4 TRP A 14 TYR B 49 ALA B 63 ARG B 110 SITE 1 AC2 3 CYS A 118 VAL A 119 TYR A 128 SITE 1 AC3 5 TYR A 49 ALA A 63 ARG A 110 TRP B 14 SITE 2 AC3 5 HOH B 390 SITE 1 AC4 3 CYS B 118 VAL B 119 TYR B 128 SITE 1 AC5 3 CYS C 118 VAL C 119 TYR C 128 CRYST1 64.050 56.914 64.727 90.00 106.60 90.00 P 1 21 1 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 0.015613 0.000000 0.004654 0.00000 SCALE2 0.000000 0.017570 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016121 0.00000