10 20 30 40 50 60 70 80 1CXA - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER ELECTRON TRANSPORT (CYTOCHROME) 14-FEB-94 1CXA
TITLE CRYSTALLIZATION AND X-RAY STRUCTURE DETERMINATION OF TITLE 2 CYTOCHROME C2 FROM RHODOBACTER SPHAEROIDES IN THREE TITLE 3 CRYSTAL FORMS
COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES; SOURCE 3 ORGANISM_TAXID: 1063
KEYWDS ELECTRON TRANSPORT (CYTOCHROME)
EXPDTA X-RAY DIFFRACTION
AUTHOR H.L.AXELROD,G.FEHER,J.P.ALLEN,A.J.CHIRINO,M.W.DAY,B.T.HSU, AUTHOR 2 D.C.REES
REVDAT 2 24-FEB-09 1CXA 1 VERSN REVDAT 1 10-JUL-95 1CXA 0
JRNL AUTH H.L.AXELROD,G.FEHER,J.P.ALLEN,A.J.CHIRINO,M.W.DAY, JRNL AUTH 2 B.T.HSU,D.C.REES JRNL TITL CRYSTALLIZATION AND X-RAY STRUCTURE DETERMINATION JRNL TITL 2 OF CYTOCHROME C2 FROM RHODOBACTER SPHAEROIDES IN JRNL TITL 3 THREE CRYSTAL FORMS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 50 596 1994 JRNL REFN ISSN 0907-4449 JRNL PMID 15299423 JRNL DOI 10.1107/S0907444994001319
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT, X-PLOR REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 83.2 REMARK 3 NUMBER OF REFLECTIONS : 8581 REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 906 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 52 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.010 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 1.900 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1CXA COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.
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 : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL 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 : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10854 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 74.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL
REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL
REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 54.46667 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 108.93333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 81.70000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 136.16667 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 27.23333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 54.46667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 108.93333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 136.16667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 81.70000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 27.23333 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 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 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 THE BINDING OF IMIDAZOLE INDUCES CONFORMATIONAL CHANGES REMARK 400 BETWEEN RESIDUES 98 AND 104.
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 GLN A 1 OE1 NE2 REMARK 470 GLU A 6 CG CD OE1 OE2 REMARK 470 LYS A 10 CG CD CE NZ REMARK 470 ASN A 13 OD1 ND2 REMARK 470 SER A 25 OG REMARK 470 ARG A 32 NH1 NH2 REMARK 470 ASN A 33 CG OD1 ND2 REMARK 470 LYS A 35 CD CE NZ REMARK 470 LYS A 55 CE NZ REMARK 470 GLU A 59 CD OE1 OE2 REMARK 470 LYS A 85 NZ REMARK 470 LYS A 95 CD CE NZ REMARK 470 LYS A 97 CG CD CE NZ REMARK 470 LYS A 99 CE NZ REMARK 470 LYS A 103 NZ REMARK 470 LYS A 106 NZ REMARK 470 GLN A 119 OE1 NE2 REMARK 470 ARG A 123 NH1 NH2 REMARK 470 PRO A 124 CG CD
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 NH1 ARG A 46 O HOH A 175 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 19 CG HIS A 19 CD2 0.059 REMARK 500 HIS A 75 NE2 HIS A 75 CD2 -0.073 REMARK 500 REMARK 500 REMARK: NULL 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 TRP A 71 CD1 - CG - CD2 ANGL. DEV. = 7.4 DEGREES REMARK 500 TRP A 71 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 TYR A 79 CB - CG - CD2 ANGL. DEV. = -4.2 DEGREES REMARK 500 TRP A 114 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP A 114 CE2 - CD2 - CG ANGL. DEV. = -6.0 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 ARG A 32 -77.25 -109.77 REMARK 500 ASN A 33 18.36 -142.25 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 GLU A 74 0.08 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ALA A 7 -18.01 REMARK 500 GLN A 14 13.92 REMARK 500 HIS A 19 -19.45 REMARK 500 VAL A 20 14.40 REMARK 500 ILE A 21 10.02 REMARK 500 VAL A 22 11.74 REMARK 500 SER A 25 14.13 REMARK 500 THR A 28 13.96 REMARK 500 GLY A 31 13.13 REMARK 500 ARG A 32 -10.05 REMARK 500 ALA A 34 11.10 REMARK 500 LYS A 35 12.44 REMARK 500 GLY A 37 -11.47 REMARK 500 GLY A 45 -10.11 REMARK 500 GLN A 51 -11.40 REMARK 500 PHE A 54 -14.13 REMARK 500 LYS A 55 -12.04 REMARK 500 ALA A 64 13.48 REMARK 500 LYS A 67 13.28 REMARK 500 GLY A 68 -10.03 REMARK 500 LEU A 69 11.74 REMARK 500 ASP A 72 -10.07 REMARK 500 GLU A 73 15.89 REMARK 500 HIS A 75 17.60 REMARK 500 PHE A 76 -13.82 REMARK 500 GLN A 78 14.49 REMARK 500 TYR A 79 13.50 REMARK 500 THR A 84 13.22 REMARK 500 LYS A 88 12.10 REMARK 500 TYR A 90 -15.47 REMARK 500 GLY A 92 -13.96 REMARK 500 ALA A 94 -14.05 REMARK 500 LEU A 104 -16.96 REMARK 500 LYS A 106 -17.01 REMARK 500 GLU A 107 -11.38 REMARK 500 ASP A 109 15.97 REMARK 500 LEU A 117 12.10 REMARK 500 GLN A 119 -10.32 REMARK 500 VAL A 122 14.94 REMARK 500 REMARK 500 REMARK: NULL
REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE BINDING OF AN IMIDAZOLE MOLECULE, RESIDUE 125, TO REMARK 600 THE IRON ATOM OF THE PROSTHETIC HEME (RESIDUE 126) REMARK 600 REPLACES THE SULFUR ATOM OF A CONSERVED METHIONINE REMARK 600 (RESIDUE 100) AS AN AXIAL LIGAND.
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 HEM A 126 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 19 NE2 REMARK 620 2 IMD A 125 N3 179.1 REMARK 620 N 1
REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD A 125 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 126
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CXC RELATED DB: PDB REMARK 900 RELATED ID: 2CXB RELATED DB: PDB
DBREF 1CXA A 1 124 UNP P00095 CYC2_RHOSH 22 145
SEQRES 1 A 124 GLN GLU GLY ASP PRO GLU ALA GLY ALA LYS ALA PHE ASN SEQRES 2 A 124 GLN CYS GLN THR CYS HIS VAL ILE VAL ASP ASP SER GLY SEQRES 3 A 124 THR THR ILE ALA GLY ARG ASN ALA LYS THR GLY PRO ASN SEQRES 4 A 124 LEU TYR GLY VAL VAL GLY ARG THR ALA GLY THR GLN ALA SEQRES 5 A 124 ASP PHE LYS GLY TYR GLY GLU GLY MET LYS GLU ALA GLY SEQRES 6 A 124 ALA LYS GLY LEU ALA TRP ASP GLU GLU HIS PHE VAL GLN SEQRES 7 A 124 TYR VAL GLN ASP PRO THR LYS PHE LEU LYS GLU TYR THR SEQRES 8 A 124 GLY ASP ALA LYS ALA LYS GLY LYS MET THR PHE LYS LEU SEQRES 9 A 124 LYS LYS GLU ALA ASP ALA HIS ASN ILE TRP ALA TYR LEU SEQRES 10 A 124 GLN GLN VAL ALA VAL ARG PRO
HET IMD A 125 5 HET HEM A 126 43
HETNAM IMD IMIDAZOLE HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE
HETSYN HEM HEME
FORMUL 2 IMD C3 H5 N2 1+ FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 HOH *52(H2 O)
HELIX 1 A PRO A 5 CYS A 18 1 14 HELIX 2 B GLU A 59 ALA A 66 1 8 HELIX 3 C GLU A 73 GLN A 81 1 9 HELIX 4 D PRO A 83 THR A 91 1 9 HELIX 5 E GLU A 107 VAL A 120 1 14
SHEET 1 A 2 ILE A 21 VAL A 22 0 SHEET 2 A 2 THR A 28 ALA A 30 -1 N ILE A 29 O ILE A 21
LINK SG CYS A 15 CAB HEM A 126 1555 1555 1.81 LINK SG CYS A 18 CAC HEM A 126 1555 1555 1.81 LINK NE2 HIS A 19 FE HEM A 126 1555 1555 2.00 LINK N3 IMD A 125 FE HEM A 126 1555 1555 2.01
SITE 1 AC1 4 TYR A 79 PRO A 83 HEM A 126 HOH A 166 SITE 1 AC2 24 GLN A 14 CYS A 15 CYS A 18 HIS A 19 SITE 2 AC2 24 THR A 36 PRO A 38 ARG A 46 ALA A 48 SITE 3 AC2 24 GLY A 49 TYR A 57 GLY A 58 TRP A 71 SITE 4 AC2 24 PHE A 76 TYR A 79 GLY A 98 LYS A 99 SITE 5 AC2 24 MET A 100 LEU A 104 ILE A 113 IMD A 125 SITE 6 AC2 24 HOH A 128 HOH A 129 HOH A 144 HOH A 175
CRYST1 64.300 64.300 163.400 90.00 90.00 120.00 P 61 2 2 12
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 0.015552 0.008979 0.000000 0.00000
SCALE2 0.000000 0.017958 0.000000 0.00000
SCALE3 0.000000 0.000000 0.006120 0.00000