HEADER HYDROLASE 08-NOV-13 4NIX TITLE CRYSTAL STRUCTURE OF TRYPSILIGASE (K60E/N143H/Y151H/D189K TRYPSIN) TITLE 2 ORTHORHOMBIC FORM, ZINC-BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 24-246; COMPND 5 SYNONYM: BETA-TRYPSIN, ALPHA-TRYPSIN CHAIN 1, ALPHA-TRYPSIN CHAIN 2; COMPND 6 EC: 3.4.21.4; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE,COW,DOMESTIC CATTLE,DOMESTIC COW; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRYPSIN, SERINE PROTEINASE, ENZYME DESIGN, ACTIVATION DOMAIN, KEYWDS 2 ZYMOGEN, PEPTIDE LIGATION, REVERSE PROTEOLYSIS, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR M.SCHOEPFEL,C.PARTHIER,M.T.STUBBS REVDAT 2 19-MAR-14 4NIX 1 JRNL REVDAT 1 19-FEB-14 4NIX 0 JRNL AUTH S.LIEBSCHER,M.SCHOPFEL,T.AUMULLER,A.SHARKHUUKHEN,A.PECH, JRNL AUTH 2 E.HOSS,C.PARTHIER,G.JAHREIS,M.T.STUBBS,F.BORDUSA JRNL TITL N-TERMINAL PROTEIN MODIFICATION BY SUBSTRATE-ACTIVATED JRNL TITL 2 REVERSE PROTEOLYSIS. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 53 3024 2014 JRNL REFN ISSN 1433-7851 JRNL PMID 24520050 JRNL DOI 10.1002/ANIE.201307736 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8_1069) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VICENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE- REMARK 3 : KUNSTLEVE,LI-WEI HUNG,ROBERT IMMORMINO, REMARK 3 : TOM IOERGER,AIRLIE MCCOY,ERIK MCKEE,NIGEL REMARK 3 : MORIARTY,REETAL PAI,RANDY READ,JANE REMARK 3 : RICHARDSON,DAVID RICHARDSON,TOD ROMO,JIM REMARK 3 : SACCHETTINI,NICHOLAS SAUTER,JACOB SMITH, REMARK 3 : LAURENT STORONI,TOM TERWILLIGER,PETER REMARK 3 : 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) : 44.18 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 2.010 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 51902 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.131 REMARK 3 R VALUE (WORKING SET) : 0.130 REMARK 3 FREE R VALUE : 0.157 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2596 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 44.2030 - 3.4655 1.00 2869 151 0.1527 0.1706 REMARK 3 2 3.4655 - 2.7508 1.00 2756 146 0.1587 0.1986 REMARK 3 3 2.7508 - 2.4031 1.00 2732 143 0.1520 0.1594 REMARK 3 4 2.4031 - 2.1834 1.00 2706 143 0.1339 0.1291 REMARK 3 5 2.1834 - 2.0269 1.00 2687 141 0.1222 0.1649 REMARK 3 6 2.0269 - 1.9074 1.00 2678 141 0.1156 0.1417 REMARK 3 7 1.9074 - 1.8119 1.00 2668 141 0.1115 0.1525 REMARK 3 8 1.8119 - 1.7330 0.99 2662 140 0.1149 0.1507 REMARK 3 9 1.7330 - 1.6663 0.99 2642 139 0.1022 0.1201 REMARK 3 10 1.6663 - 1.6088 0.99 2667 140 0.1006 0.1343 REMARK 3 11 1.6088 - 1.5585 0.99 2651 140 0.1020 0.1513 REMARK 3 12 1.5585 - 1.5139 0.99 2615 137 0.1006 0.1228 REMARK 3 13 1.5139 - 1.4741 0.99 2647 140 0.1042 0.1447 REMARK 3 14 1.4741 - 1.4381 0.99 2603 137 0.1025 0.1459 REMARK 3 15 1.4381 - 1.4054 0.98 2619 137 0.1089 0.1569 REMARK 3 16 1.4054 - 1.3755 0.98 2587 136 0.1122 0.1414 REMARK 3 17 1.3755 - 1.3480 0.92 2455 130 0.1241 0.1648 REMARK 3 18 1.3480 - 1.3225 0.82 2159 113 0.1275 0.1754 REMARK 3 19 1.3225 - 1.3000 0.72 1903 101 0.1276 0.1744 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.20 REMARK 3 SHRINKAGE RADIUS : 1.00 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.090 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 12.700 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 9.65 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.43 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 : 0.006 1731 REMARK 3 ANGLE : 1.146 2360 REMARK 3 CHIRALITY : 0.080 267 REMARK 3 PLANARITY : 0.005 304 REMARK 3 DIHEDRAL : 13.066 636 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 4NIX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-DEC-13. REMARK 100 THE RCSB ID CODE IS RCSB083260. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BESSY REMARK 200 BEAMLINE : 14.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9184 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XSCALE REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51902 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 44.177 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.2000 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) : 1.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.25200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.550 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 (%): 46.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS/HCL, 0.2 M LI2SO4, 20% (W/ REMARK 280 V) POLYETHYLENEGLYCOL 4000, PH 8.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 293K 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 27.20200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.65800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.27500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.65800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.20200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.27500 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 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 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 ILE A 16 REMARK 465 VAL A 17 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 OG1 THR A 149 O HOH A 457 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 71 -71.36 -120.10 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 303 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 151 NE2 REMARK 620 2 HIS A 143 ND1 117.0 REMARK 620 3 HOH A 643 O 100.3 96.9 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 75 O REMARK 620 2 HOH A 652 O 107.4 REMARK 620 3 GLU A 70 OE1 159.2 90.8 REMARK 620 4 ASN A 72 O 81.9 89.5 88.5 REMARK 620 5 HOH A 449 O 86.2 159.9 79.1 107.3 REMARK 620 6 GLU A 80 OE2 91.4 70.8 104.3 156.4 94.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 303 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4NIV RELATED DB: PDB REMARK 900 RELATED ID: 4NIW RELATED DB: PDB REMARK 900 RELATED ID: 4NIY RELATED DB: PDB DBREF 4NIX A 16 245 UNP P00760 TRY1_BOVIN 24 246 SEQADV 4NIX GLU A 60 UNP P00760 LYS 66 ENGINEERED MUTATION SEQADV 4NIX HIS A 143 UNP P00760 ASN 146 ENGINEERED MUTATION SEQADV 4NIX HIS A 151 UNP P00760 TYR 154 ENGINEERED MUTATION SEQADV 4NIX LYS A 189 UNP P00760 ASP 194 ENGINEERED MUTATION SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR GLU SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY HIS THR LYS SER SER GLY THR SER SEQRES 11 A 223 HIS PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS LYS SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN HET CA A 301 1 HET GOL A 302 6 HET ZN A 303 1 HETNAM CA CALCIUM ION HETNAM GOL GLYCEROL HETNAM ZN ZINC ION HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 CA CA 2+ FORMUL 3 GOL C3 H8 O3 FORMUL 4 ZN ZN 2+ FORMUL 5 HOH *269(H2 O) HELIX 1 1 ALA A 55 TYR A 59 5 5 HELIX 2 2 SER A 164 TYR A 172 1 9 HELIX 3 3 TYR A 234 SER A 244 1 11 SHEET 1 A 7 TYR A 20 THR A 21 0 SHEET 2 A 7 LYS A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 A 7 GLN A 135 GLY A 140 -1 N GLY A 140 O LYS A 156 SHEET 4 A 7 PRO A 198 CYS A 201 -1 O VAL A 200 N LEU A 137 SHEET 5 A 7 LYS A 204 GLY A 216 -1 O LYS A 204 N CYS A 201 SHEET 6 A 7 GLY A 226 LYS A 230 -1 O VAL A 227 N TRP A 215 SHEET 7 A 7 MET A 180 ALA A 183 -1 N PHE A 181 O TYR A 228 SHEET 1 B 7 GLN A 30 ASN A 34 0 SHEET 2 B 7 HIS A 40 ASN A 48 -1 O CYS A 42 N LEU A 33 SHEET 3 B 7 TRP A 51 SER A 54 -1 O VAL A 53 N SER A 45 SHEET 4 B 7 MET A 104 LEU A 108 -1 O MET A 104 N SER A 54 SHEET 5 B 7 GLN A 81 VAL A 90 -1 N SER A 86 O LYS A 107 SHEET 6 B 7 GLN A 64 LEU A 67 -1 N VAL A 65 O ILE A 83 SHEET 7 B 7 GLN A 30 ASN A 34 -1 N SER A 32 O ARG A 66 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.04 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.03 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.03 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.04 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.04 LINK NE2 HIS A 151 ZN ZN A 303 1555 1555 1.99 LINK ND1 HIS A 143 ZN ZN A 303 1555 1555 2.02 LINK ZN ZN A 303 O HOH A 643 1555 1555 2.06 LINK O VAL A 75 CA CA A 301 1555 1555 2.12 LINK CA CA A 301 O HOH A 652 1555 1555 2.19 LINK OE1 GLU A 70 CA CA A 301 1555 1555 2.21 LINK O ASN A 72 CA CA A 301 1555 1555 2.49 LINK CA CA A 301 O HOH A 449 1555 1555 2.52 LINK OE2 GLU A 80 CA CA A 301 1555 1555 2.54 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A 449 HOH A 652 SITE 1 AC2 5 GLU A 80 GLN A 81 PHE A 82 HOH A 608 SITE 2 AC2 5 HOH A 627 SITE 1 AC3 5 LYS A 87 HIS A 143 HIS A 151 HOH A 643 SITE 2 AC3 5 HOH A 669 CRYST1 54.404 58.550 67.316 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 0.018381 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017079 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014855 0.00000