HEADER METAL BINDING PROTEIN 13-MAY-20 6WZC TITLE NI-BOUND STRUCTURE OF AN ENGINEERED PROTEIN TRIMER, TRICYT3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUBLE CYTOCHROME B562; COMPND 3 CHAIN: A; 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; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS FOUR-HELIX BUNDLE, METALLOPROTEIN TRIMER, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR F.A.TEZCAN,A.KAKKIS REVDAT 4 16-OCT-24 6WZC 1 REMARK REVDAT 3 18-OCT-23 6WZC 1 REMARK REVDAT 2 16-DEC-20 6WZC 1 JRNL REVDAT 1 16-SEP-20 6WZC 0 JRNL AUTH A.KAKKIS,D.GAGNON,J.ESSELBORN,R.D.BRITT,F.A.TEZCAN JRNL TITL METAL-TEMPLATED DESIGN OF CHEMICALLY SWITCHABLE PROTEIN JRNL TITL 2 ASSEMBLIES WITH HIGH-AFFINITY COORDINATION SITES. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 59 21940 2020 JRNL REFN ESSN 1521-3773 JRNL PMID 32830423 JRNL DOI 10.1002/ANIE.202009226 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14-3260 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 35.71 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.410 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 10934 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.990 REMARK 3 FREE R VALUE TEST SET COUNT : 1092 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 35.7108 - 4.3884 1.00 1307 146 0.1699 0.1960 REMARK 3 2 4.3884 - 3.4842 1.00 1246 140 0.1716 0.1999 REMARK 3 3 3.4842 - 3.0440 1.00 1219 136 0.1965 0.2092 REMARK 3 4 3.0440 - 2.7658 1.00 1230 133 0.1930 0.2445 REMARK 3 5 2.7658 - 2.5676 1.00 1215 137 0.1899 0.2312 REMARK 3 6 2.5676 - 2.4163 1.00 1208 134 0.1787 0.2605 REMARK 3 7 2.4163 - 2.2953 1.00 1217 134 0.1827 0.2605 REMARK 3 8 2.2953 - 2.1954 0.98 1200 132 0.1828 0.2437 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) : 0.220 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.550 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 : 0.008 906 REMARK 3 ANGLE : 0.858 1235 REMARK 3 CHIRALITY : 0.041 127 REMARK 3 PLANARITY : 0.004 161 REMARK 3 DIHEDRAL : 10.907 768 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 6WZC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-MAY-20. REMARK 100 THE DEPOSITION ID IS D_1000249249. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAR-20 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 : SSRL REMARK 200 BEAMLINE : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.2398 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 : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10934 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.195 REMARK 200 RESOLUTION RANGE LOW (A) : 35.711 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 12.70 REMARK 200 R MERGE (I) : 0.74380 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 2.9600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.57810 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: 2BC5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 71.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG2000, 0.2 M CACL2, 0.1 M BIS REMARK 280 -TRIS (PH 6.5), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-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 -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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -170.0 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 -0.500000 -0.866025 0.000000 -41.23000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 71.41245 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -82.46000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 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 NI NI A 203 LIES ON A SPECIAL POSITION. REMARK 375 CA CA A 204 LIES ON A SPECIAL POSITION. REMARK 375 CA CA A 207 LIES ON A SPECIAL POSITION. REMARK 375 CL CL A 208 LIES ON A SPECIAL POSITION. REMARK 375 CL CL A 209 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 363 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 390 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 404 LIES ON A SPECIAL POSITION. 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 391 O HOH A 398 2.14 REMARK 500 NZ LYS A 80 O HOH A 301 2.16 REMARK 500 O HOH A 345 O HOH A 396 2.18 REMARK 500 O HOH A 345 O HOH A 372 2.19 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 NI A 202 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 1 N REMARK 620 2 ALA A 1 O 83.5 REMARK 620 3 ASP A 39 OD2 88.1 88.2 REMARK 620 4 HOH A 320 O 101.2 171.8 98.6 REMARK 620 5 HOH A 360 O 98.8 83.6 168.5 89.0 REMARK 620 6 HOH A 361 O 171.6 88.2 90.2 87.2 81.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 206 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 4 OE1 REMARK 620 2 GLU A 4 OE2 43.7 REMARK 620 3 GLU A 8 OE1 28.0 70.6 REMARK 620 4 HOH A 379 O 74.3 76.7 85.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 207 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 4 OE1 REMARK 620 2 GLU A 4 OE1 0.0 REMARK 620 3 HEC A 201 O1A 109.5 109.5 REMARK 620 4 HEC A 201 O2A 95.3 95.3 52.4 REMARK 620 5 HEC A 201 O1A 109.5 109.5 0.0 52.4 REMARK 620 6 HEC A 201 O2A 95.3 95.3 52.4 0.0 52.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC A 201 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 7 SD REMARK 620 2 HEC A 201 NA 88.5 REMARK 620 3 HEC A 201 NB 85.7 88.7 REMARK 620 4 HEC A 201 NC 91.4 179.4 90.8 REMARK 620 5 HEC A 201 ND 94.4 91.4 179.9 89.2 REMARK 620 6 HIS A 102 NE2 169.5 89.2 83.9 90.8 95.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 204 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 19 O REMARK 620 2 LYS A 19 O 0.0 REMARK 620 3 ASP A 21 OD1 88.0 88.0 REMARK 620 4 ASP A 21 OD1 88.0 88.0 0.0 REMARK 620 5 HOH A 363 O 94.6 94.6 80.0 80.0 REMARK 620 6 HOH A 363 O 94.5 94.5 80.0 80.0 0.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 205 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 20 O REMARK 620 2 ASP A 21 OD1 72.7 REMARK 620 3 HOH A 385 O 129.6 149.3 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 203 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 73 NE2 REMARK 620 2 HIS A 73 NE2 0.0 REMARK 620 3 HIS A 77 NE2 79.1 79.1 REMARK 620 4 HIS A 77 NE2 79.1 79.1 0.0 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEC A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NI A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue NI A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 208 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 209 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CL A 210 DBREF 6WZC A 1 106 UNP P0ABE7 C562_ECOLX 23 128 SEQADV 6WZC LYS A 31 UNP P0ABE7 THR 53 ENGINEERED MUTATION SEQADV 6WZC LYS A 35 UNP P0ABE7 ALA 57 ENGINEERED MUTATION SEQADV 6WZC LYS A 41 UNP P0ABE7 GLN 63 ENGINEERED MUTATION SEQADV 6WZC ALA A 54 UNP P0ABE7 ASP 76 ENGINEERED MUTATION SEQADV 6WZC ILE A 59 UNP P0ABE7 LYS 81 ENGINEERED MUTATION SEQADV 6WZC VAL A 63 UNP P0ABE7 HIS 85 ENGINEERED MUTATION SEQADV 6WZC GLU A 67 UNP P0ABE7 ILE 89 ENGINEERED MUTATION SEQADV 6WZC ALA A 69 UNP P0ABE7 VAL 91 ENGINEERED MUTATION SEQADV 6WZC TRP A 70 UNP P0ABE7 GLY 92 ENGINEERED MUTATION SEQADV 6WZC GLU A 71 UNP P0ABE7 GLN 93 ENGINEERED MUTATION SEQADV 6WZC HIS A 73 UNP P0ABE7 ASP 95 ENGINEERED MUTATION SEQADV 6WZC ALA A 76 UNP P0ABE7 LEU 98 ENGINEERED MUTATION SEQADV 6WZC HIS A 77 UNP P0ABE7 LYS 99 ENGINEERED MUTATION SEQADV 6WZC LYS A 80 UNP P0ABE7 ASN 102 ENGINEERED MUTATION SEQADV 6WZC CYS A 98 UNP P0ABE7 ARG 120 ENGINEERED MUTATION SEQADV 6WZC CYS A 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 LYS LYS MET ARG LYS ALA ALA LEU ASP SEQRES 4 A 106 ALA LYS LYS ALA THR PRO PRO LYS LEU GLU ASP LYS SER SEQRES 5 A 106 PRO ALA SER PRO GLU MET ILE ASP PHE ARG VAL GLY PHE SEQRES 6 A 106 ASP GLU LEU ALA TRP GLU ILE HIS ASP ALA ALA HIS LEU SEQRES 7 A 106 ALA LYS GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA ALA SEQRES 8 A 106 GLU GLN LEU LYS THR THR CYS ASN ALA CYS HIS GLN LYS SEQRES 9 A 106 TYR ARG HET HEC A 201 43 HET NI A 202 1 HET NI A 203 1 HET CA A 204 1 HET CA A 205 1 HET CA A 206 1 HET CA A 207 1 HET CL A 208 1 HET CL A 209 1 HET CL A 210 1 HETNAM HEC HEME C HETNAM NI NICKEL (II) ION HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION FORMUL 2 HEC C34 H34 FE N4 O4 FORMUL 3 NI 2(NI 2+) FORMUL 5 CA 4(CA 2+) FORMUL 9 CL 3(CL 1-) FORMUL 12 HOH *105(H2 O) HELIX 1 AA1 ASP A 2 LYS A 19 1 18 HELIX 2 AA2 ASN A 22 LYS 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 LEU A 94 1 12 HELIX 6 AA6 LEU A 94 ARG A 106 1 13 LINK SG CYS A 98 CAB HEC A 201 1555 1555 1.78 LINK SG CYS A 101 CAC HEC A 201 1555 1555 1.77 LINK N ALA A 1 NI NI A 202 1555 1555 1.99 LINK O ALA A 1 NI NI A 202 1555 1555 2.11 LINK OE1 GLU A 4 CA CA A 206 1555 1555 2.53 LINK OE2 GLU A 4 CA CA A 206 1555 1555 3.18 LINK OE1 GLU A 4 CA CA A 207 1555 1555 2.53 LINK OE1 GLU A 4 CA CA A 207 1555 6556 2.53 LINK SD MET A 7 FE HEC A 201 1555 1555 2.43 LINK OE1 GLU A 8 CA CA A 206 1555 6556 2.44 LINK O LYS A 19 CA CA A 204 1555 1555 2.46 LINK O LYS A 19 CA CA A 204 1555 6555 2.46 LINK O ALA A 20 CA CA A 205 1555 6555 2.84 LINK OD1 ASP A 21 CA CA A 204 1555 1555 2.38 LINK OD1 ASP A 21 CA CA A 204 1555 6555 2.38 LINK OD1 ASP A 21 CA CA A 205 1555 6555 3.06 LINK OD2 ASP A 39 NI NI A 202 1555 1555 2.25 LINK NE2 HIS A 73 NI NI A 203 1555 1555 2.08 LINK NE2 HIS A 73 NI NI A 203 1555 2565 2.08 LINK NE2 HIS A 77 NI NI A 203 1555 1555 2.24 LINK NE2 HIS A 77 NI NI A 203 1555 2565 2.24 LINK NE2 HIS A 102 FE HEC A 201 1555 1555 2.21 LINK O1A HEC A 201 CA CA A 207 1555 1555 2.47 LINK O2A HEC A 201 CA CA A 207 1555 1555 2.55 LINK O1A HEC A 201 CA CA A 207 1555 6556 2.47 LINK O2A HEC A 201 CA CA A 207 1555 6556 2.55 LINK NI NI A 202 O HOH A 320 1555 1555 2.18 LINK NI NI A 202 O HOH A 360 1555 1555 2.23 LINK NI NI A 202 O HOH A 361 1555 1555 2.05 LINK CA CA A 204 O HOH A 363 1555 1555 2.31 LINK CA CA A 204 O HOH A 363 1555 6555 2.31 LINK CA CA A 205 O HOH A 385 1555 6555 2.54 LINK CA CA A 206 O HOH A 379 1555 1555 2.76 SITE 1 AC1 16 GLU A 4 MET A 7 GLU A 8 LEU A 14 SITE 2 AC1 16 PRO A 45 PHE A 61 PHE A 65 CYS A 98 SITE 3 AC1 16 CYS A 101 HIS A 102 ARG A 106 CA A 206 SITE 4 AC1 16 CA A 207 HOH A 311 HOH A 313 HOH A 318 SITE 1 AC2 5 ALA A 1 ASP A 39 HOH A 320 HOH A 360 SITE 2 AC2 5 HOH A 361 SITE 1 AC3 2 HIS A 73 HIS A 77 SITE 1 AC4 4 LYS A 19 ASP A 21 CA A 205 HOH A 363 SITE 1 AC5 5 LYS A 19 ALA A 20 ASP A 21 CA A 204 SITE 2 AC5 5 HOH A 385 SITE 1 AC6 5 GLU A 4 GLU A 8 HEC A 201 CA A 207 SITE 2 AC6 5 HOH A 379 SITE 1 AC7 3 GLU A 4 HEC A 201 CA A 206 SITE 1 AC8 1 ARG A 62 SITE 1 AC9 2 LYS A 41 HOH A 339 SITE 1 AD1 3 ARG A 34 HIS A 73 HOH A 388 CRYST1 82.460 82.460 53.118 90.00 90.00 120.00 P 3 2 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 0.012127 0.007002 0.000000 0.00000 SCALE2 0.000000 0.014003 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018826 0.00000