HEADER OXIDOREDUCTASE 03-MAR-99 1CC1 TITLE CRYSTAL STRUCTURE OF A REDUCED, ACTIVE FORM OF THE NI-FE-SE TITLE 2 HYDROGENASE FROM DESULFOMICROBIUM BACULATUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYDROGENASE (SMALL SUBUNIT); COMPND 3 CHAIN: S; COMPND 4 SYNONYM: CYTOCHROME C3 HYDROGENASE; COMPND 5 EC: 1.18.99.1; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: HYDROGENASE (LARGE SUBUNIT); COMPND 8 CHAIN: L; COMPND 9 SYNONYM: CYTOCHROME C3 HYDROGENASE; COMPND 10 EC: 1.18.99.1; COMPND 11 OTHER_DETAILS: COMPLEXED WITH IRON/SULFUR CLUSTER, CARBONMONOXIDE- COMPND 12 (DICYANO) IRON, HYDROSULFURIC ACID SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOMICROBIUM BACULATUM; SOURCE 3 ORGANISM_TAXID: 899; SOURCE 4 STRAIN: WILD TYPE; SOURCE 5 CELLULAR_LOCATION: PERIPLASM; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: DESULFOMICROBIUM BACULATUM; SOURCE 8 ORGANISM_TAXID: 899; SOURCE 9 STRAIN: WILD TYPE; SOURCE 10 CELLULAR_LOCATION: PERIPLASM KEYWDS NI-FE-SE HYDROGENASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR E.GARCIN,X.VERNEDE,E.C.HATCHIKIAN,A.VOLBEDA,M.FREY,J.C.FONTECILLA- AUTHOR 2 CAMPS REVDAT 11 09-AUG-23 1CC1 1 REMARK LINK REVDAT 10 20-NOV-19 1CC1 1 SEQADV LINK REVDAT 9 11-APR-18 1CC1 1 REMARK REVDAT 8 04-APR-18 1CC1 1 REMARK REVDAT 7 06-AUG-14 1CC1 1 ATOM FORMUL HET HETATM REVDAT 7 2 1 HETNAM LINK REVDAT 6 19-FEB-14 1CC1 1 FORMUL HET HETATM HETNAM REVDAT 6 2 1 LINK REMARK REVDAT 5 13-JUL-11 1CC1 1 VERSN REVDAT 4 24-FEB-09 1CC1 1 VERSN REVDAT 3 20-APR-04 1CC1 1 HELIX SOURCE REMARK REVDAT 2 24-JAN-00 1CC1 1 REMARK DBREF SEQADV REVDAT 1 01-JUN-99 1CC1 0 JRNL AUTH E.GARCIN,X.VERNEDE,E.C.HATCHIKIAN,A.VOLBEDA,M.FREY, JRNL AUTH 2 J.C.FONTECILLA-CAMPS JRNL TITL THE CRYSTAL STRUCTURE OF A REDUCED [NIFESE] HYDROGENASE JRNL TITL 2 PROVIDES AN IMAGE OF THE ACTIVATED CATALYTIC CENTER JRNL REF STRUCTURE FOLD.DES. V. 7 557 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10378275 JRNL DOI 10.1016/S0969-2126(99)80072-0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.VOLBEDA,E.GARCIN,C.PIRAS,A.L.DE LACEY,V.M.FERNANDEZ, REMARK 1 AUTH 2 E.C.HATCHIKIAN,M.FREY,J.C.FONTECILLA-CAMPS REMARK 1 TITL STRUCTURE OF THE [NIFE] HYDROGENASE ACTIVE SITE: EVIDENCE REMARK 1 TITL 2 FOR BIOLOGICALLY UNCOMMON FE LIGANDS REMARK 1 REF J.AM.CHEM.SOC. V. 118 12989 1996 REMARK 1 REFN ISSN 0002-7863 REMARK 1 DOI 10.1021/JA962270G REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.857 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.1 REMARK 3 NUMBER OF REFLECTIONS : 34362 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1684 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.15 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.25 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 57.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2641 REMARK 3 BIN R VALUE (WORKING SET) : 0.2630 REMARK 3 BIN FREE R VALUE : 0.3170 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 140 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5861 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 319 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.88100 REMARK 3 B22 (A**2) : 0.95600 REMARK 3 B33 (A**2) : -1.83700 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.840 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.650 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.320 ; 0.100 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.140 ; 0.200 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; 0.200 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.630 ; 0.300 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARA.INP REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPO.INP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CC1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-MAR-99. REMARK 100 THE DEPOSITION ID IS D_1000000571. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : OCT-96 REMARK 200 TEMPERATURE (KELVIN) : 110.0 REMARK 200 PH : 6.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM02 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 : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CCP4, XDS REMARK 200 DATA SCALING SOFTWARE : XDS, CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36050 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 200 DATA REDUNDANCY : 5.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 48.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.20200 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 2FRV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.2 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 55.19500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 49.79000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.85000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 49.79000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 55.19500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.85000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 8200 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -124.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: S, L 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 MET S 1 REMARK 465 THR S 2 REMARK 465 GLU S 3 REMARK 465 GLY S 4 REMARK 465 ALA S 5 REMARK 465 THR S 94 REMARK 465 LEU S 95 REMARK 465 ASP S 96 REMARK 465 SER L 1 REMARK 465 GLN L 2 REMARK 465 ALA L 3 REMARK 465 ALA L 4 REMARK 465 THR L 5 REMARK 465 PRO L 6 REMARK 465 ALA L 7 REMARK 465 ALA L 8 REMARK 465 ASP L 9 REMARK 465 GLY L 10 REMARK 465 LYS L 11 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 GLU S 93 CG CD OE1 OE2 REMARK 470 LYS S 98 CG CD CE NZ REMARK 470 HIS S 100 CG ND1 CD2 CE1 NE2 REMARK 470 HIS S 101 CG ND1 CD2 CE1 NE2 REMARK 470 HIS S 102 CG ND1 CD2 CE1 NE2 REMARK 470 GLU S 103 CG CD OE1 OE2 REMARK 470 GLU S 224 CG CD OE1 OE2 REMARK 470 LYS L 13 CG CD CE NZ REMARK 470 GLU L 29 CG CD OE1 OE2 REMARK 470 GLU L 31 CG CD OE1 OE2 REMARK 470 ASP L 34 CG OD1 OD2 REMARK 470 LYS L 351 CG CD CE NZ REMARK 470 LYS L 354 CG CD CE NZ REMARK 470 GLU L 355 CG CD OE1 OE2 REMARK 470 LEU L 380 CG CD1 CD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LYS L 370 N - CA - C ANGL. DEV. = 18.3 DEGREES REMARK 500 ALA L 371 N - CA - C ANGL. DEV. = -18.5 DEGREES REMARK 500 SER L 446 N - CA - C ANGL. DEV. = 16.8 DEGREES 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 ALA S 99 100.70 -51.03 REMARK 500 HIS S 100 113.99 5.46 REMARK 500 HIS S 101 -157.06 60.60 REMARK 500 HIS S 102 84.70 90.88 REMARK 500 ARG S 250 -169.62 65.74 REMARK 500 ALA S 262 -100.55 -153.49 REMARK 500 TYR L 125 -32.47 -134.78 REMARK 500 ASP L 130 39.53 -80.05 REMARK 500 ASN L 140 74.92 -117.46 REMARK 500 HIS L 188 79.55 64.39 REMARK 500 TYR L 235 51.66 -105.98 REMARK 500 PHE L 254 72.71 61.58 REMARK 500 ASN L 310 85.01 -153.39 REMARK 500 LYS L 313 109.76 -51.76 REMARK 500 TYR L 317 11.31 -141.32 REMARK 500 ASP L 369 -67.03 -28.65 REMARK 500 LYS L 370 77.38 -118.25 REMARK 500 ALA L 447 -93.92 30.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 IRON(II) WITH 1 CARBON MONOXIDE REMARK 600 AND 2 CYANIDE LIGANDS. 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 SF4 S 286 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 18 SG REMARK 620 2 SF4 S 286 S2 103.1 REMARK 620 3 SF4 S 286 S3 121.5 104.7 REMARK 620 4 SF4 S 286 S4 113.9 105.1 106.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 286 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 21 SG REMARK 620 2 SF4 S 286 S1 106.4 REMARK 620 3 SF4 S 286 S2 125.6 99.8 REMARK 620 4 SF4 S 286 S3 113.1 103.2 105.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 286 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 126 SG REMARK 620 2 SF4 S 286 S1 113.6 REMARK 620 3 SF4 S 286 S3 130.7 100.5 REMARK 620 4 SF4 S 286 S4 98.7 108.4 103.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 286 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 164 SG REMARK 620 2 SF4 S 286 S1 111.4 REMARK 620 3 SF4 S 286 S2 125.6 98.4 REMARK 620 4 SF4 S 286 S4 103.2 111.5 106.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 284 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS S 208 ND1 REMARK 620 2 SF4 S 284 S1 103.5 REMARK 620 3 SF4 S 284 S3 117.0 106.2 REMARK 620 4 SF4 S 284 S4 119.5 107.4 102.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 284 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 211 SG REMARK 620 2 SF4 S 284 S1 114.3 REMARK 620 3 SF4 S 284 S2 118.4 103.7 REMARK 620 4 SF4 S 284 S3 107.6 105.5 106.3 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 284 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 231 SG REMARK 620 2 SF4 S 284 S1 118.3 REMARK 620 3 SF4 S 284 S2 121.0 102.8 REMARK 620 4 SF4 S 284 S4 102.3 109.1 101.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 284 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 237 SG REMARK 620 2 SF4 S 284 S2 118.7 REMARK 620 3 SF4 S 284 S3 114.4 102.5 REMARK 620 4 SF4 S 284 S4 114.4 101.8 103.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 285 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 246 SG REMARK 620 2 SF4 S 285 S1 114.8 REMARK 620 3 SF4 S 285 S2 102.2 107.0 REMARK 620 4 SF4 S 285 S3 121.4 107.1 102.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 285 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 258 SG REMARK 620 2 SF4 S 285 S1 113.7 REMARK 620 3 SF4 S 285 S2 114.0 104.5 REMARK 620 4 SF4 S 285 S4 114.5 107.9 101.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 285 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 264 SG REMARK 620 2 SF4 S 285 S1 111.9 REMARK 620 3 SF4 S 285 S3 117.1 105.3 REMARK 620 4 SF4 S 285 S4 113.2 105.2 103.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 S 285 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS S 267 SG REMARK 620 2 SF4 S 285 S2 106.3 REMARK 620 3 SF4 S 285 S3 123.0 104.1 REMARK 620 4 SF4 S 285 S4 114.1 102.5 104.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE2 L 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU L 51 OE1 REMARK 620 2 ILE L 444 O 99.4 REMARK 620 3 HIS L 498 NE2 91.3 85.9 REMARK 620 4 HOH L 519 O 173.1 86.8 92.3 REMARK 620 5 HOH L 523 O 83.5 93.6 174.6 93.0 REMARK 620 6 HOH L 541 O 87.4 172.7 91.4 86.6 89.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI L 500 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS L 70 SG REMARK 620 2 CYS L 73 SG 106.4 REMARK 620 3 CYS L 495 SG 111.4 79.4 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FCO L 499 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS L 73 SG REMARK 620 2 FCO L 499 C1 165.4 REMARK 620 3 FCO L 499 C2 88.3 91.2 REMARK 620 4 FCO L 499 C3 98.3 96.0 101.8 REMARK 620 5 CYS L 495 SG 85.7 91.4 165.9 91.6 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: NI-FE ACTIVE SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI L 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE2 L 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 S 284 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 S 285 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 S 286 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FCO L 499 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE H2S L 502 DBREF 1CC1 S 1 283 UNP P13063 PHSS_DESBA 33 315 DBREF 1CC1 L 1 498 UNP P13065 PHSL_DESBA 2 499 SEQADV 1CC1 ALA S 99 UNP P13063 GLY 131 CONFLICT SEQADV 1CC1 ARG L 381 UNP P13065 VAL 382 CONFLICT SEQRES 1 S 283 MET THR GLU GLY ALA LYS LYS ALA PRO VAL ILE TRP VAL SEQRES 2 S 283 GLN GLY GLN GLY CYS THR GLY CYS SER VAL SER LEU LEU SEQRES 3 S 283 ASN ALA VAL HIS PRO ARG ILE LYS GLU ILE LEU LEU ASP SEQRES 4 S 283 VAL ILE SER LEU GLU PHE HIS PRO THR VAL MET ALA SER SEQRES 5 S 283 GLU GLY GLU MET ALA LEU ALA HIS MET TYR GLU ILE ALA SEQRES 6 S 283 GLU LYS PHE ASN GLY ASN PHE PHE LEU LEU VAL GLU GLY SEQRES 7 S 283 ALA ILE PRO THR ALA LYS GLU GLY ARG TYR CYS ILE VAL SEQRES 8 S 283 GLY GLU THR LEU ASP ALA LYS ALA HIS HIS HIS GLU VAL SEQRES 9 S 283 THR MET MET GLU LEU ILE ARG ASP LEU ALA PRO LYS SER SEQRES 10 S 283 LEU ALA THR VAL ALA VAL GLY THR CYS SER ALA TYR GLY SEQRES 11 S 283 GLY ILE PRO ALA ALA GLU GLY ASN VAL THR GLY SER LYS SEQRES 12 S 283 SER VAL ARG ASP PHE PHE ALA ASP GLU LYS ILE GLU LYS SEQRES 13 S 283 LEU LEU VAL ASN VAL PRO GLY CYS PRO PRO HIS PRO ASP SEQRES 14 S 283 TRP MET VAL GLY THR LEU VAL ALA ALA TRP SER HIS VAL SEQRES 15 S 283 LEU ASN PRO THR GLU HIS PRO LEU PRO GLU LEU ASP ASP SEQRES 16 S 283 ASP GLY ARG PRO LEU LEU PHE PHE GLY ASP ASN ILE HIS SEQRES 17 S 283 GLU ASN CYS PRO TYR LEU ASP LYS TYR ASP ASN SER GLU SEQRES 18 S 283 PHE ALA GLU THR PHE THR LYS PRO GLY CYS LYS ALA GLU SEQRES 19 S 283 LEU GLY CYS LYS GLY PRO SER THR TYR ALA ASP CYS ALA SEQRES 20 S 283 LYS ARG ARG TRP ASN ASN GLY ILE ASN TRP CYS VAL GLU SEQRES 21 S 283 ASN ALA VAL CYS ILE GLY CYS VAL GLU PRO ASP PHE PRO SEQRES 22 S 283 ASP GLY LYS SER PRO PHE TYR VAL ALA GLU SEQRES 1 L 498 SER GLN ALA ALA THR PRO ALA ALA ASP GLY LYS VAL LYS SEQRES 2 L 498 ILE SER ILE ASP PRO LEU THR ARG VAL GLU GLY HIS LEU SEQRES 3 L 498 LYS ILE GLU VAL GLU VAL LYS ASP GLY LYS VAL VAL ASP SEQRES 4 L 498 ALA LYS CYS SER GLY GLY MET PHE ARG GLY PHE GLU GLN SEQRES 5 L 498 ILE LEU ARG GLY ARG ASP PRO ARG ASP SER SER GLN ILE SEQRES 6 L 498 VAL GLN ARG ILE CYS GLY VAL CYS PRO THR ALA HIS CYS SEQRES 7 L 498 THR ALA SER VAL MET ALA GLN ASP ASP ALA PHE GLY VAL SEQRES 8 L 498 LYS VAL THR THR ASN GLY ARG ILE THR ARG ASN LEU ILE SEQRES 9 L 498 PHE GLY ALA ASN TYR LEU GLN SER HIS ILE LEU HIS PHE SEQRES 10 L 498 TYR HIS LEU ALA ALA LEU ASP TYR VAL LYS GLY PRO ASP SEQRES 11 L 498 VAL SER PRO PHE VAL PRO ARG TYR ALA ASN ALA ASP LEU SEQRES 12 L 498 LEU THR ASP ARG ILE LYS ASP GLY ALA LYS ALA ASP ALA SEQRES 13 L 498 THR ASN THR TYR GLY LEU ASN GLN TYR LEU LYS ALA LEU SEQRES 14 L 498 GLU ILE ARG ARG ILE CYS HIS GLU MET VAL ALA MET PHE SEQRES 15 L 498 GLY GLY ARG MET PRO HIS VAL GLN GLY MET VAL VAL GLY SEQRES 16 L 498 GLY ALA THR GLU ILE PRO THR ALA ASP LYS VAL ALA GLU SEQRES 17 L 498 TYR ALA ALA ARG PHE LYS GLU VAL GLN LYS PHE VAL ILE SEQRES 18 L 498 GLU GLU TYR LEU PRO LEU ILE TYR THR LEU GLY SER VAL SEQRES 19 L 498 TYR THR ASP LEU PHE GLU THR GLY ILE GLY TRP LYS ASN SEQRES 20 L 498 VAL ILE ALA PHE GLY VAL PHE PRO GLU ASP ASP ASP TYR SEQRES 21 L 498 LYS THR PHE LEU LEU LYS PRO GLY VAL TYR ILE ASP GLY SEQRES 22 L 498 LYS ASP GLU GLU PHE ASP SER LYS LEU VAL LYS GLU TYR SEQRES 23 L 498 VAL GLY HIS SER PHE PHE ASP HIS SER ALA PRO GLY GLY SEQRES 24 L 498 LEU HIS TYR SER VAL GLY GLU THR ASN PRO ASN PRO ASP SEQRES 25 L 498 LYS PRO GLY ALA TYR SER PHE VAL LYS ALA PRO ARG TYR SEQRES 26 L 498 LYS ASP LYS PRO CYS GLU VAL GLY PRO LEU ALA ARG MET SEQRES 27 L 498 TRP VAL GLN ASN PRO GLU LEU SER PRO VAL GLY GLN LYS SEQRES 28 L 498 LEU LEU LYS GLU LEU TYR GLY ILE GLU ALA LYS LYS PHE SEQRES 29 L 498 ARG ASP LEU GLY ASP LYS ALA PHE SER ILE MET GLY ARG SEQRES 30 L 498 HIS VAL LEU ARG ALA GLU GLU THR TRP LEU THR ALA VAL SEQRES 31 L 498 ALA VAL GLU LYS TRP LEU LYS GLN VAL GLN PRO GLY ALA SEQRES 32 L 498 GLU THR TYR VAL LYS SER GLU ILE PRO ASP ALA ALA GLU SEQRES 33 L 498 GLY THR GLY PHE THR GLU ALA PRO ARG GLY ALA LEU LEU SEQRES 34 L 498 HIS TYR LEU LYS ILE LYS ASP LYS LYS ILE GLU ASN TYR SEQRES 35 L 498 GLN ILE VAL SER ALA THR LEU TRP ASN ALA ASN PRO ARG SEQRES 36 L 498 ASP ASP MET GLY GLN ARG GLY PRO ILE GLU GLU ALA LEU SEQRES 37 L 498 ILE GLY VAL PRO VAL PRO ASP ILE LYS ASN PRO VAL ASN SEQRES 38 L 498 VAL GLY ARG LEU VAL ARG SER TYR ASP PRO SEC LEU GLY SEQRES 39 L 498 CYS ALA VAL HIS HET SF4 S 284 8 HET SF4 S 285 8 HET SF4 S 286 8 HET NI L 500 1 HET FE2 L 501 1 HET FCO L 499 7 HET H2S L 502 1 HETNAM SF4 IRON/SULFUR CLUSTER HETNAM NI NICKEL (II) ION HETNAM FE2 FE (II) ION HETNAM FCO CARBONMONOXIDE-(DICYANO) IRON HETNAM H2S HYDROSULFURIC ACID HETSYN H2S HYDROGEN SULFIDE FORMUL 3 SF4 3(FE4 S4) FORMUL 6 NI NI 2+ FORMUL 7 FE2 FE 2+ FORMUL 8 FCO C3 FE N2 O FORMUL 9 H2S H2 S FORMUL 10 HOH *319(H2 O) HELIX 1 1 THR S 19 ASN S 27 1 9 HELIX 2 2 ARG S 32 VAL S 40 1 9 HELIX 3 3 GLU S 53 PHE S 68 1 16 HELIX 4 4 ALA S 83 ARG S 87 5 5 HELIX 5 5 MET S 106 ALA S 114 1 9 HELIX 6 6 PRO S 115 SER S 117 5 3 HELIX 7 7 GLY S 124 GLY S 130 1 7 HELIX 8 8 GLY S 131 ALA S 135 5 5 HELIX 9 9 SER S 144 LYS S 153 1 10 HELIX 10 10 HIS S 167 ASN S 184 1 18 HELIX 11 11 PRO S 199 GLY S 204 1 6 HELIX 12 12 TYR S 213 ASN S 219 1 7 HELIX 13 13 LYS S 232 GLY S 236 5 5 HELIX 14 14 LYS S 238 THR S 242 5 5 HELIX 15 15 ASP S 245 ARG S 250 1 6 HELIX 16 16 TRP S 257 ALA S 262 1 6 HELIX 17 17 PRO S 273 SER S 277 5 5 HELIX 18 18 GLY L 49 LEU L 54 1 6 HELIX 19 19 ASP L 58 ARG L 60 5 3 HELIX 20 20 ASP L 61 VAL L 66 1 6 HELIX 21 21 GLN L 67 CYS L 70 5 4 HELIX 22 22 CYS L 73 GLY L 90 1 18 HELIX 23 23 THR L 94 LEU L 120 1 27 HELIX 24 24 ALA L 121 TYR L 125 5 5 HELIX 25 25 LEU L 143 ILE L 148 1 6 HELIX 26 26 ASP L 150 GLY L 184 1 35 HELIX 27 27 THR L 202 GLU L 223 1 22 HELIX 28 28 GLU L 223 TYR L 235 1 13 HELIX 29 29 THR L 236 GLU L 240 5 5 HELIX 30 30 ASP L 279 LYS L 281 5 3 HELIX 31 31 SER L 303 GLY L 305 5 3 HELIX 32 32 GLY L 333 ASN L 342 1 10 HELIX 33 33 SER L 346 GLY L 358 1 13 HELIX 34 34 LYS L 363 PHE L 372 5 10 HELIX 35 35 SER L 373 VAL L 399 1 27 HELIX 36 36 ALA L 447 ALA L 452 1 6 HELIX 37 37 GLY L 462 ILE L 469 1 8 HELIX 38 38 PRO L 479 TYR L 489 1 11 HELIX 39 39 SEC L 492 HIS L 498 1 7 SHEET 1 A 5 ILE S 41 PHE S 45 0 SHEET 2 A 5 ALA S 8 GLN S 14 1 O ALA S 8 N SER S 42 SHEET 3 A 5 PHE S 73 GLU S 77 1 N PHE S 73 O PRO S 9 SHEET 4 A 5 ALA S 119 VAL S 123 1 O ALA S 119 N LEU S 74 SHEET 5 A 5 LEU S 158 VAL S 161 1 O VAL S 159 N ALA S 122 SHEET 1 B 2 ILE S 80 PRO S 81 0 SHEET 2 B 2 SER S 142 LYS S 143 -1 O LYS S 143 N ILE S 80 SHEET 1 C 2 ILE S 90 GLY S 92 0 SHEET 2 C 2 VAL S 104 THR S 105 -1 N VAL S 104 O GLY S 92 SHEET 1 D 3 LYS L 13 ILE L 16 0 SHEET 2 D 3 LEU L 26 LYS L 33 -1 O ILE L 28 N ILE L 16 SHEET 3 D 3 LYS L 36 GLY L 44 -1 O LYS L 36 N LYS L 33 SHEET 1 E 2 MET L 192 VAL L 193 0 SHEET 2 E 2 GLY L 196 ALA L 197 -1 N GLY L 196 O VAL L 193 SHEET 1 F 3 VAL L 248 ALA L 250 0 SHEET 2 F 3 GLY L 268 ILE L 271 -1 N GLY L 268 O ALA L 250 SHEET 3 F 3 LYS L 274 GLU L 276 -1 N LYS L 274 O ILE L 271 SHEET 1 G 2 VAL L 253 PRO L 255 0 SHEET 2 G 2 PHE L 263 LEU L 265 -1 N LEU L 264 O VAL L 253 SHEET 1 H 3 LEU L 300 HIS L 301 0 SHEET 2 H 3 VAL L 283 TYR L 286 -1 O GLU L 285 N LEU L 300 SHEET 3 H 3 ALA L 322 TYR L 325 -1 N ALA L 322 O TYR L 286 SHEET 1 I 3 ALA L 415 ALA L 423 0 SHEET 2 I 3 GLY L 426 LYS L 435 -1 O GLY L 426 N ALA L 423 SHEET 3 I 3 LYS L 438 SER L 446 -1 O LYS L 438 N LYS L 435 LINK SG CYS S 18 FE1 SF4 S 286 1555 1555 2.29 LINK SG CYS S 21 FE4 SF4 S 286 1555 1555 2.29 LINK SG CYS S 126 FE2 SF4 S 286 1555 1555 2.30 LINK SG CYS S 164 FE3 SF4 S 286 1555 1555 2.35 LINK ND1 HIS S 208 FE2 SF4 S 284 1555 1555 1.96 LINK SG CYS S 211 FE4 SF4 S 284 1555 1555 2.31 LINK SG CYS S 231 FE3 SF4 S 284 1555 1555 2.30 LINK SG CYS S 237 FE1 SF4 S 284 1555 1555 2.28 LINK SG CYS S 246 FE4 SF4 S 285 1555 1555 2.33 LINK SG CYS S 258 FE3 SF4 S 285 1555 1555 2.29 LINK SG CYS S 264 FE2 SF4 S 285 1555 1555 2.33 LINK SG CYS S 267 FE1 SF4 S 285 1555 1555 2.26 LINK OE1 GLU L 51 FE FE2 L 501 1555 1555 2.26 LINK SG CYS L 70 NI NI L 500 1555 1555 2.25 LINK SG CYS L 73 FE FCO L 499 1555 1555 2.29 LINK SG CYS L 73 NI NI L 500 1555 1555 2.33 LINK O ILE L 444 FE FE2 L 501 1555 1555 2.29 LINK SG CYS L 495 FE FCO L 499 1555 1555 2.37 LINK SG CYS L 495 NI NI L 500 1555 1555 2.62 LINK NE2 HIS L 498 FE FE2 L 501 1555 1555 2.35 LINK FE FE2 L 501 O HOH L 519 1555 1555 2.07 LINK FE FE2 L 501 O HOH L 523 1555 1555 2.29 LINK FE FE2 L 501 O HOH L 541 1555 1555 2.51 CISPEP 1 HIS S 30 PRO S 31 0 -0.67 CISPEP 2 CYS S 164 PRO S 165 0 1.85 CISPEP 3 PHE S 272 PRO S 273 0 0.56 CISPEP 4 SER S 277 PRO S 278 0 -0.33 CISPEP 5 ASP L 17 PRO L 18 0 2.74 CISPEP 6 SER L 132 PRO L 133 0 -0.70 CISPEP 7 VAL L 135 PRO L 136 0 0.38 CISPEP 8 MET L 186 PRO L 187 0 -0.74 SITE 1 ACT 6 CYS L 70 CYS L 73 SEC L 492 CYS L 495 SITE 2 ACT 6 FCO L 499 NI L 500 SITE 1 AC1 5 CYS L 70 CYS L 73 SEC L 492 CYS L 495 SITE 2 AC1 5 FCO L 499 SITE 1 AC2 6 GLU L 51 ILE L 444 HIS L 498 HOH L 519 SITE 2 AC2 6 HOH L 523 HOH L 541 SITE 1 AC3 8 HIS S 208 CYS S 211 TYR S 213 LEU S 214 SITE 2 AC3 8 CYS S 231 LYS S 232 CYS S 237 VAL S 259 SITE 1 AC4 9 ARG L 185 GLN L 190 THR S 242 CYS S 246 SITE 2 AC4 9 TRP S 251 CYS S 258 CYS S 264 ILE S 265 SITE 3 AC4 9 CYS S 267 SITE 1 AC5 10 ARG L 68 HIS L 188 CYS S 18 CYS S 21 SITE 2 AC5 10 GLY S 124 THR S 125 CYS S 126 GLY S 163 SITE 3 AC5 10 CYS S 164 PRO S 165 SITE 1 AC6 11 CYS L 73 HIS L 77 ALA L 423 PRO L 424 SITE 2 AC6 11 ARG L 425 LEU L 428 ALA L 447 THR L 448 SITE 3 AC6 11 SEC L 492 CYS L 495 NI L 500 SITE 1 AC7 6 CYS L 73 THR L 75 ALA L 76 PHE L 105 SITE 2 AC7 6 ASN L 108 PRO L 424 CRYST1 110.390 63.700 99.580 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 0.009059 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015698 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010042 0.00000