HEADER LYASE 11-NOV-24 9EAT TITLE HIGH-RESOLUTION STRUCTURE OF ESCHERICHIA COLI CARBONIC ANHYDRASE 2 IN TITLE 2 SPACE GROUP P4(2)2(1)2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBONATE DEHYDRATASE 2; COMPND 5 EC: 4.2.1.1; COMPND 6 OTHER_DETAILS: NATIVE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI BL21(DE3); SOURCE 3 ORGANISM_TAXID: 469008 KEYWDS ZINC-DEPENDENT METALLOENZYME, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR M.R.RANKIN,J.L.SMITH REVDAT 2 29-JAN-25 9EAT 1 JRNL REVDAT 1 20-NOV-24 9EAT 0 JRNL AUTH M.R.RANKIN,J.L.SMITH JRNL TITL SERENDIPITOUS HIGH-RESOLUTION STRUCTURE OF ESCHERICHIA COLI JRNL TITL 2 CARBONIC ANHYDRASE 2. JRNL REF ACTA CRYSTALLOGR.,SECT.F 2025 JRNL REFN ESSN 2053-230X JRNL PMID 39812168 JRNL DOI 10.1107/S2053230X25000068 REMARK 2 REMARK 2 RESOLUTION. 1.43 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.43 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.75 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 69115 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.157 REMARK 3 R VALUE (WORKING SET) : 0.156 REMARK 3 FREE R VALUE : 0.167 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.410 REMARK 3 FREE R VALUE TEST SET COUNT : 3740 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 47.7500 - 4.2900 1.00 2451 135 0.1522 0.1602 REMARK 3 2 4.2900 - 3.4000 1.00 2427 139 0.1379 0.1430 REMARK 3 3 3.4000 - 2.9800 1.00 2432 144 0.1427 0.1274 REMARK 3 4 2.9700 - 2.7000 1.00 2429 140 0.1513 0.1501 REMARK 3 5 2.7000 - 2.5100 1.00 2418 142 0.1482 0.1586 REMARK 3 6 2.5100 - 2.3600 1.00 2458 140 0.1428 0.1609 REMARK 3 7 2.3600 - 2.2400 1.00 2424 135 0.1374 0.1462 REMARK 3 8 2.2400 - 2.1400 1.00 2465 139 0.1374 0.1706 REMARK 3 9 2.1400 - 2.0600 1.00 2419 139 0.1463 0.1563 REMARK 3 10 2.0600 - 1.9900 1.00 2404 141 0.1462 0.1924 REMARK 3 11 1.9900 - 1.9300 1.00 2445 134 0.1426 0.2102 REMARK 3 12 1.9300 - 1.8700 1.00 2437 143 0.1472 0.1573 REMARK 3 13 1.8700 - 1.8200 1.00 2427 140 0.1680 0.1875 REMARK 3 14 1.8200 - 1.7800 1.00 2444 137 0.1620 0.1548 REMARK 3 15 1.7800 - 1.7400 1.00 2431 143 0.1521 0.1698 REMARK 3 16 1.7400 - 1.7000 1.00 2444 134 0.1582 0.2165 REMARK 3 17 1.7000 - 1.6700 1.00 2454 139 0.1584 0.1887 REMARK 3 18 1.6700 - 1.6400 1.00 2429 139 0.1577 0.1801 REMARK 3 19 1.6400 - 1.6100 1.00 2407 143 0.1646 0.1806 REMARK 3 20 1.6100 - 1.5800 1.00 2447 142 0.1716 0.1714 REMARK 3 21 1.5800 - 1.5500 1.00 2430 141 0.1788 0.1915 REMARK 3 22 1.5500 - 1.5300 1.00 2452 135 0.1854 0.2187 REMARK 3 23 1.5300 - 1.5100 1.00 2397 139 0.2216 0.1813 REMARK 3 24 1.5100 - 1.4900 0.99 2429 133 0.2521 0.2429 REMARK 3 25 1.4900 - 1.4700 0.98 2338 135 0.2816 0.2977 REMARK 3 26 1.4700 - 1.4500 0.96 2343 136 0.3082 0.3041 REMARK 3 27 1.4500 - 1.4300 0.94 2294 133 0.3240 0.3504 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.152 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 16.232 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.77 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.01 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 1757 REMARK 3 ANGLE : 1.042 2391 REMARK 3 CHIRALITY : 0.078 269 REMARK 3 PLANARITY : 0.007 307 REMARK 3 DIHEDRAL : 13.398 648 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 9EAT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-NOV-24. REMARK 100 THE DEPOSITION ID IS D_1000290041. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-NOV-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL CRYO-COOLED REMARK 200 SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69116 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.430 REMARK 200 RESOLUTION RANGE LOW (A) : 47.770 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 6.410 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.43 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.58 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.400 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM HEPES PH 7.5, 200 MM LITHIUM REMARK 280 SULFATE, 25% PEG 3350, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 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+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/2 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 33.76200 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 33.76200 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 42.53800 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 33.76200 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 33.76200 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 42.53800 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 33.76200 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.76200 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 42.53800 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 33.76200 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.76200 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 42.53800 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 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 15550 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33050 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -94.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 67.52400 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 67.52400 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 85.07600 REMARK 350 BIOMT1 4 0.000000 -1.000000 0.000000 67.52400 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 67.52400 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 85.07600 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 486 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 553 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 614 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 623 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 626 LIES ON A SPECIAL POSITION. 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 LEU A 214 REMARK 465 LYS A 215 REMARK 465 HIS A 216 REMARK 465 ALA A 217 REMARK 465 ASN A 218 REMARK 465 HIS A 219 REMARK 465 LYS A 220 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 HOH A 458 O HOH A 478 2.15 REMARK 500 O HOH A 509 O HOH A 617 2.18 REMARK 500 O HOH A 613 O HOH A 632 2.19 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 412 O HOH A 412 2665 1.98 REMARK 500 O HOH A 493 O HOH A 569 2665 2.13 REMARK 500 O HOH A 431 O HOH A 585 2665 2.19 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 ASP A 22 71.54 -154.15 REMARK 500 ASP A 185 -4.71 -154.25 REMARK 500 ASP A 192 35.13 73.08 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 CYS A 42 SG REMARK 620 2 ASP A 44 OD2 104.8 REMARK 620 3 HIS A 98 NE2 116.6 96.7 REMARK 620 4 CYS A 101 SG 116.1 114.1 107.2 REMARK 620 N 1 2 3 DBREF 9EAT A 1 220 UNP P61517 CAN_ECOLI 1 220 SEQRES 1 A 220 MET LYS ASP ILE ASP THR LEU ILE SER ASN ASN ALA LEU SEQRES 2 A 220 TRP SER LYS MET LEU VAL GLU GLU ASP PRO GLY PHE PHE SEQRES 3 A 220 GLU LYS LEU ALA GLN ALA GLN LYS PRO ARG PHE LEU TRP SEQRES 4 A 220 ILE GLY CYS SER ASP SER ARG VAL PRO ALA GLU ARG LEU SEQRES 5 A 220 THR GLY LEU GLU PRO GLY GLU LEU PHE VAL HIS ARG ASN SEQRES 6 A 220 VAL ALA ASN LEU VAL ILE HIS THR ASP LEU ASN CYS LEU SEQRES 7 A 220 SER VAL VAL GLN TYR ALA VAL ASP VAL LEU GLU VAL GLU SEQRES 8 A 220 HIS ILE ILE ILE CYS GLY HIS TYR GLY CYS GLY GLY VAL SEQRES 9 A 220 GLN ALA ALA VAL GLU ASN PRO GLU LEU GLY LEU ILE ASN SEQRES 10 A 220 ASN TRP LEU LEU HIS ILE ARG ASP ILE TRP PHE LYS HIS SEQRES 11 A 220 SER SER LEU LEU GLY GLU MET PRO GLN GLU ARG ARG LEU SEQRES 12 A 220 ASP THR LEU CYS GLU LEU ASN VAL MET GLU GLN VAL TYR SEQRES 13 A 220 ASN LEU GLY HIS SER THR ILE MET GLN SER ALA TRP LYS SEQRES 14 A 220 ARG GLY GLN LYS VAL THR ILE HIS GLY TRP ALA TYR GLY SEQRES 15 A 220 ILE HIS ASP GLY LEU LEU ARG ASP LEU ASP VAL THR ALA SEQRES 16 A 220 THR ASN ARG GLU THR LEU GLU GLN ARG TYR ARG HIS GLY SEQRES 17 A 220 ILE SER ASN LEU LYS LEU LYS HIS ALA ASN HIS LYS HET ZN A 301 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *234(H2 O) HELIX 1 AA1 ASP A 3 ASP A 22 1 20 HELIX 2 AA2 PHE A 26 GLN A 31 1 6 HELIX 3 AA3 PRO A 48 GLY A 54 1 7 HELIX 4 AA4 ASP A 74 VAL A 87 1 14 HELIX 5 AA5 CYS A 101 ASN A 110 1 10 HELIX 6 AA6 LEU A 115 HIS A 130 1 16 HELIX 7 AA7 HIS A 130 GLU A 136 1 7 HELIX 8 AA8 MET A 137 GLU A 140 5 4 HELIX 9 AA9 ARG A 141 SER A 161 1 21 HELIX 10 AB1 SER A 161 ARG A 170 1 10 HELIX 11 AB2 ASN A 197 LYS A 213 1 17 SHEET 1 AA1 5 LEU A 60 ASN A 65 0 SHEET 2 AA1 5 PHE A 37 CYS A 42 1 N PHE A 37 O PHE A 61 SHEET 3 AA1 5 HIS A 92 HIS A 98 1 O ILE A 94 N ILE A 40 SHEET 4 AA1 5 THR A 175 TYR A 181 1 O TRP A 179 N ILE A 95 SHEET 5 AA1 5 ARG A 189 ASP A 190 -1 O ARG A 189 N ALA A 180 LINK SG CYS A 42 ZN ZN A 301 1555 1555 2.24 LINK OD2 ASP A 44 ZN ZN A 301 1555 1555 2.09 LINK NE2 HIS A 98 ZN ZN A 301 1555 1555 2.07 LINK SG CYS A 101 ZN ZN A 301 1555 1555 2.28 CRYST1 67.524 67.524 85.076 90.00 90.00 90.00 P 42 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 0.014810 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014810 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011754 0.00000