HEADER METAL BINDING PROTEIN 01-JUL-18 6DYC TITLE CO(II)-BOUND STRUCTURE OF THE ENGINEERED CYT CB562 VARIANT, CH3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUBLE CYTOCHROME B562; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CYTOCHROME B-562; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: CYBC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS DESIGNED PROTEIN, 4-HELIX BUNDLE, ELECTRON TRANSPORT, METAL BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR F.A.TEZCAN,J.RITTLE REVDAT 5 13-NOV-24 6DYC 1 REMARK REVDAT 4 11-OCT-23 6DYC 1 LINK REVDAT 3 27-NOV-19 6DYC 1 REMARK REVDAT 2 08-MAY-19 6DYC 1 JRNL REVDAT 1 24-APR-19 6DYC 0 JRNL AUTH J.RITTLE,M.J.FIELD,M.T.GREEN,F.A.TEZCAN JRNL TITL AN EFFICIENT, STEP-ECONOMICAL STRATEGY FOR THE DESIGN OF JRNL TITL 2 FUNCTIONAL METALLOPROTEINS. JRNL REF NAT.CHEM. V. 11 434 2019 JRNL REFN ESSN 1755-4349 JRNL PMID 30778140 JRNL DOI 10.1038/S41557-019-0218-9 REMARK 2 REMARK 2 RESOLUTION. 1.33 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.33 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.52 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 3 NUMBER OF REFLECTIONS : 44657 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.176 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.480 REMARK 3 FREE R VALUE TEST SET COUNT : 1999 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 38.5313 - 3.2050 0.94 3122 146 0.1604 0.1656 REMARK 3 2 3.2050 - 2.5440 0.97 3188 149 0.1753 0.1894 REMARK 3 3 2.5440 - 2.2225 0.94 3087 145 0.1720 0.1939 REMARK 3 4 2.2225 - 2.0193 0.96 3157 148 0.1727 0.1868 REMARK 3 5 2.0193 - 1.8746 0.96 3144 148 0.1784 0.1882 REMARK 3 6 1.8746 - 1.7640 0.93 3027 140 0.1807 0.1925 REMARK 3 7 1.7640 - 1.6757 0.95 3129 147 0.1754 0.2214 REMARK 3 8 1.6757 - 1.6028 0.96 3155 148 0.1789 0.1935 REMARK 3 9 1.6028 - 1.5410 0.91 2976 140 0.1874 0.2235 REMARK 3 10 1.5410 - 1.4879 0.95 3141 148 0.1963 0.2243 REMARK 3 11 1.4879 - 1.4413 0.96 3094 145 0.2032 0.2445 REMARK 3 12 1.4413 - 1.4001 0.96 3111 145 0.2060 0.2097 REMARK 3 13 1.4001 - 1.3633 0.88 2904 136 0.2346 0.2598 REMARK 3 14 1.3633 - 1.3300 0.75 2423 114 0.2519 0.2675 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) : 0.120 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.430 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 : 0.012 1832 REMARK 3 ANGLE : 1.092 2485 REMARK 3 CHIRALITY : 0.066 249 REMARK 3 PLANARITY : 0.007 328 REMARK 3 DIHEDRAL : 28.624 686 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 6DYC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JUL-18. REMARK 100 THE DEPOSITION ID IS D_1000235433. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUL-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46653 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.330 REMARK 200 RESOLUTION RANGE LOW (A) : 38.515 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.9 REMARK 200 DATA REDUNDANCY : 6.200 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.33 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.36 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.40 REMARK 200 R MERGE FOR SHELL (I) : 0.54700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 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: 2BC5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.48 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DROP CONSISTS OF 2 UL OF 25% PEG 3350, REMARK 280 200 MM MAGNESIUM CHLORIDE AND 0.1 M BIS-TRIS (PH 5.5) MIXED WITH REMARK 280 2 UL OF 3 MM PROTEIN AND 3 MM COBALT(II) CHLORIDE, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 41.64500 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 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 OE1 GLU B 92 HZ2 LYS B 95 1.59 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 435 DISTANCE = 6.25 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 HEC A 202 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 7 SD REMARK 620 2 HEC A 202 NA 90.1 REMARK 620 3 HEC A 202 NB 86.4 88.7 REMARK 620 4 HEC A 202 NC 91.0 178.8 90.8 REMARK 620 5 HEC A 202 ND 92.7 90.1 178.5 90.4 REMARK 620 6 HIS A 102 NE2 177.2 88.6 91.1 90.3 89.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 201 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 67 NE2 REMARK 620 2 HIS A 71 NE2 93.1 REMARK 620 3 HIS A 97 NE2 88.6 90.9 REMARK 620 4 HIS B 67 NE2 175.6 86.4 95.8 REMARK 620 5 HIS B 71 NE2 90.1 171.8 96.7 89.8 REMARK 620 6 HOH B 352 O 87.6 88.1 176.0 88.0 84.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 202 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 2 OD1 REMARK 620 2 ASP B 2 OD2 49.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET B 7 SD REMARK 620 2 HEC B 201 NA 89.5 REMARK 620 3 HEC B 201 NB 87.9 91.5 REMARK 620 4 HEC B 201 NC 92.1 177.8 90.0 REMARK 620 5 HEC B 201 ND 93.2 89.0 178.7 89.4 REMARK 620 6 HIS B 102 NE2 177.0 89.9 89.1 88.5 89.7 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 CO A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEC A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide HEC B 201 and CYS B REMARK 800 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for Di-peptide HEC B 201 and CYS B REMARK 800 98 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6DYB RELATED DB: PDB REMARK 900 RELATED ID: 6DY6 RELATED DB: PDB REMARK 900 RELATED ID: 6DY4 RELATED DB: PDB REMARK 900 RELATED ID: 6DY8 RELATED DB: PDB DBREF 6DYC A 1 106 UNP P0ABE7 C562_ECOLX 23 128 DBREF 6DYC B 1 106 UNP P0ABE7 C562_ECOLX 23 128 SEQADV 6DYC TRP A 59 UNP P0ABE7 LYS 81 ENGINEERED MUTATION SEQADV 6DYC HIS A 67 UNP P0ABE7 ILE 89 ENGINEERED MUTATION SEQADV 6DYC HIS A 71 UNP P0ABE7 GLN 93 ENGINEERED MUTATION SEQADV 6DYC CYS A 96 UNP P0ABE7 THR 118 ENGINEERED MUTATION SEQADV 6DYC HIS A 97 UNP P0ABE7 THR 119 ENGINEERED MUTATION SEQADV 6DYC CYS A 98 UNP P0ABE7 ARG 120 ENGINEERED MUTATION SEQADV 6DYC CYS A 101 UNP P0ABE7 TYR 123 ENGINEERED MUTATION SEQADV 6DYC TRP B 59 UNP P0ABE7 LYS 81 ENGINEERED MUTATION SEQADV 6DYC HIS B 67 UNP P0ABE7 ILE 89 ENGINEERED MUTATION SEQADV 6DYC HIS B 71 UNP P0ABE7 GLN 93 ENGINEERED MUTATION SEQADV 6DYC CYS B 96 UNP P0ABE7 THR 118 ENGINEERED MUTATION SEQADV 6DYC HIS B 97 UNP P0ABE7 THR 119 ENGINEERED MUTATION SEQADV 6DYC CYS B 98 UNP P0ABE7 ARG 120 ENGINEERED MUTATION SEQADV 6DYC CYS B 101 UNP P0ABE7 TYR 123 ENGINEERED MUTATION SEQRES 1 A 106 ALA ASP LEU GLU ASP ASN MET GLU THR LEU ASN ASP ASN SEQRES 2 A 106 LEU LYS VAL ILE GLU LYS ALA ASP ASN ALA ALA GLN VAL SEQRES 3 A 106 LYS ASP ALA LEU THR LYS MET ARG ALA ALA ALA LEU ASP SEQRES 4 A 106 ALA GLN LYS ALA THR PRO PRO LYS LEU GLU ASP LYS SER SEQRES 5 A 106 PRO ASP SER PRO GLU MET TRP ASP PHE ARG HIS GLY PHE SEQRES 6 A 106 ASP HIS LEU VAL GLY HIS ILE ASP ASP ALA LEU LYS LEU SEQRES 7 A 106 ALA ASN GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA ALA SEQRES 8 A 106 GLU GLN LEU LYS CYS HIS CYS ASN ALA CYS HIS GLN LYS SEQRES 9 A 106 TYR ARG SEQRES 1 B 106 ALA ASP LEU GLU ASP ASN MET GLU THR LEU ASN ASP ASN SEQRES 2 B 106 LEU LYS VAL ILE GLU LYS ALA ASP ASN ALA ALA GLN VAL SEQRES 3 B 106 LYS ASP ALA LEU THR LYS MET ARG ALA ALA ALA LEU ASP SEQRES 4 B 106 ALA GLN LYS ALA THR PRO PRO LYS LEU GLU ASP LYS SER SEQRES 5 B 106 PRO ASP SER PRO GLU MET TRP ASP PHE ARG HIS GLY PHE SEQRES 6 B 106 ASP HIS LEU VAL GLY HIS ILE ASP ASP ALA LEU LYS LEU SEQRES 7 B 106 ALA ASN GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA ALA SEQRES 8 B 106 GLU GLN LEU LYS CYS HIS CYS ASN ALA CYS HIS GLN LYS SEQRES 9 B 106 TYR ARG HET CO A 201 1 HET HEC A 202 75 HET HEC B 201 75 HET CA B 202 1 HETNAM CO COBALT (II) ION HETNAM HEC HEME C HETNAM CA CALCIUM ION FORMUL 3 CO CO 2+ FORMUL 4 HEC 2(C34 H34 FE N4 O4) FORMUL 6 CA CA 2+ FORMUL 7 HOH *235(H2 O) HELIX 1 AA1 ASP A 2 LYS A 19 1 18 HELIX 2 AA2 ASN A 22 GLN A 41 1 20 HELIX 3 AA3 PRO A 45 GLU A 49 5 5 HELIX 4 AA4 SER A 55 GLU A 81 1 27 HELIX 5 AA5 LYS A 83 GLN A 93 1 11 HELIX 6 AA6 GLN A 93 ARG A 106 1 14 HELIX 7 AA7 ASP B 2 ALA B 20 1 19 HELIX 8 AA8 ASN B 22 GLN B 41 1 20 HELIX 9 AA9 PRO B 45 GLU B 49 5 5 HELIX 10 AB1 SER B 55 GLU B 81 1 27 HELIX 11 AB2 LYS B 83 ARG B 106 1 24 SSBOND 1 CYS A 96 CYS B 96 1555 1555 2.06 LINK SG CYS A 98 CAB HEC A 202 1555 1555 1.84 LINK SG CYS A 101 CAC HEC A 202 1555 1555 1.88 LINK SG CYS B 98 CAB HEC B 201 1555 1555 1.85 LINK SG CYS B 101 CAC HEC B 201 1555 1555 1.97 LINK SD MET A 7 FE HEC A 202 1555 1555 2.34 LINK NE2 HIS A 67 CO CO A 201 1555 1555 2.19 LINK NE2 HIS A 71 CO CO A 201 1555 1555 2.15 LINK NE2 HIS A 97 CO CO A 201 1555 1555 2.14 LINK NE2 HIS A 102 FE HEC A 202 1555 1555 2.00 LINK CO CO A 201 NE2 HIS B 67 1555 1555 2.17 LINK CO CO A 201 NE2 HIS B 71 1555 1555 2.18 LINK CO CO A 201 O HOH B 352 1555 1555 2.13 LINK OD1AASP B 2 CA CA B 202 1555 1555 2.65 LINK OD2AASP B 2 CA CA B 202 1555 1555 2.58 LINK SD MET B 7 FE HEC B 201 1555 1555 2.32 LINK NE2 HIS B 102 FE HEC B 201 1555 1555 2.00 SITE 1 AC1 6 HIS A 67 HIS A 71 HIS A 97 HIS B 67 SITE 2 AC1 6 HIS B 71 HOH B 352 SITE 1 AC2 17 GLU A 4 MET A 7 GLU A 8 PRO A 45 SITE 2 AC2 17 PRO A 46 PHE A 61 PHE A 65 CYS A 98 SITE 3 AC2 17 CYS A 101 HIS A 102 TYR A 105 ARG A 106 SITE 4 AC2 17 HOH A 302 HOH A 305 HOH A 308 HOH A 385 SITE 5 AC2 17 HOH A 389 SITE 1 AC3 2 ASP A 50 ASP B 2 SITE 1 AC4 20 GLU B 4 MET B 7 GLU B 8 ASN B 11 SITE 2 AC4 20 PRO B 45 PRO B 46 PHE B 61 PHE B 65 SITE 3 AC4 20 HIS B 97 CYS B 98 ASN B 99 ALA B 100 SITE 4 AC4 20 HIS B 102 GLN B 103 LYS B 104 TYR B 105 SITE 5 AC4 20 ARG B 106 HOH B 301 HOH B 307 HOH B 313 SITE 1 AC5 21 GLU B 4 MET B 7 GLU B 8 ASN B 11 SITE 2 AC5 21 PRO B 45 PRO B 46 PHE B 61 PHE B 65 SITE 3 AC5 21 LEU B 94 LYS B 95 CYS B 96 HIS B 97 SITE 4 AC5 21 ASN B 99 ALA B 100 CYS B 101 HIS B 102 SITE 5 AC5 21 TYR B 105 ARG B 106 HOH B 301 HOH B 307 SITE 6 AC5 21 HOH B 313 CRYST1 33.239 83.290 39.170 90.00 100.49 90.00 P 1 21 1 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 0.030085 0.000000 0.005570 0.00000 SCALE2 0.000000 0.012006 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025964 0.00000