HEADER OXIDOREDUCTASE 24-JUL-01 1JNI TITLE STRUCTURE OF THE NAPB SUBUNIT OF THE PERIPLASMIC NITRATE REDUCTASE TITLE 2 FROM HAEMOPHILUS INFLUENZAE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHEME CYTOCHROME C NAPB; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SMALL SUBUNIT OF THE PERIPLASMIC NITRATE REDUCTASE; COMPND 5 SYNONYM: PERIPLASMIC NITRATE REDUCTASE; NAPB; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAEMOPHILUS INFLUENZAE; SOURCE 3 ORGANISM_TAXID: 727; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DIHAEM CYTOCHROME C, PROTEOLYTIC FRAGMENT, NITRATE REDUCTASE SUBUNIT, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR A.BRIGE,D.LEYS,T.E.MEYER,M.A.CUSANOVICH,J.J.VAN BEEUMEN REVDAT 4 06-NOV-24 1JNI 1 REMARK REVDAT 3 03-MAR-21 1JNI 1 COMPND REMARK HET HETNAM REVDAT 3 2 1 HETSYN FORMUL LINK ATOM REVDAT 2 24-FEB-09 1JNI 1 VERSN REVDAT 1 17-MAY-02 1JNI 0 JRNL AUTH A.BRIGE,D.LEYS,T.E.MEYER,M.A.CUSANOVICH,J.J.VAN BEEUMEN JRNL TITL THE 1.25 A RESOLUTION STRUCTURE OF THE DIHEME NAPB SUBUNIT JRNL TITL 2 OF SOLUBLE NITRATE REDUCTASE REVEALS A NOVEL CYTOCHROME C JRNL TITL 3 FOLD WITH A STACKED HEME ARRANGEMENT. JRNL REF BIOCHEMISTRY V. 41 4827 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 11939777 JRNL DOI 10.1021/BI012144B REMARK 2 REMARK 2 RESOLUTION. 1.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.160 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.160 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1092 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 20831 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 469 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 128 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 ANGLE DISTANCES (A) : 0.033 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.026 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.077 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.071 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JNI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 31-JUL-01. REMARK 100 THE DEPOSITION ID IS D_1000013973. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-AUG-00 REMARK 200 TEMPERATURE (KELVIN) : 173 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID13 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9640 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22337 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.240 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.08900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.24 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.30 REMARK 200 COMPLETENESS FOR SHELL (%) : 65.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.31600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.370 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 26.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.67 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, PH 5.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP AT 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y+1/2,X+1/2,Z REMARK 290 4555 Y+1/2,-X+1/2,Z REMARK 290 5555 -X+1/2,Y+1/2,-Z REMARK 290 6555 X+1/2,-Y+1/2,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 39.37600 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 39.37600 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 39.37600 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 39.37600 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 39.37600 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 39.37600 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 39.37600 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 39.37600 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 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 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 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 HOH A 136 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 145 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 160 LIES ON A SPECIAL POSITION. 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 ASP A 2 REMARK 465 ALA A 3 REMARK 465 PRO A 4 REMARK 465 ALA A 5 REMARK 465 VAL A 6 REMARK 465 GLY A 7 REMARK 465 LYS A 8 REMARK 465 ASP A 9 REMARK 465 LEU A 10 REMARK 465 THR A 11 REMARK 465 GLN A 12 REMARK 465 ALA A 13 REMARK 465 ALA A 14 REMARK 465 GLU A 15 REMARK 465 ASN A 16 REMARK 465 ILE A 17 REMARK 465 PRO A 18 REMARK 465 PRO A 19 REMARK 465 ALA A 20 REMARK 465 PHE A 21 REMARK 465 HIS A 22 REMARK 465 ASN A 23 REMARK 465 ALA A 24 REMARK 465 PRO A 25 REMARK 465 ARG A 26 REMARK 465 GLN A 27 REMARK 465 GLY A 28 REMARK 465 GLU A 29 REMARK 465 LEU A 30 REMARK 465 PRO A 31 REMARK 465 ALA A 32 REMARK 465 LEU A 33 REMARK 465 ASN A 34 REMARK 465 TYR A 35 REMARK 465 VAL A 36 REMARK 465 GLY A 88 REMARK 465 SER A 89 REMARK 465 SER A 90 REMARK 465 SER A 91 REMARK 465 GLN A 105 REMARK 465 ALA A 106 REMARK 465 ASN A 107 REMARK 465 VAL A 108 REMARK 465 ASP A 109 REMARK 465 PRO A 110 REMARK 465 ILE A 111 REMARK 465 VAL A 112 REMARK 465 PRO A 113 REMARK 465 ASN A 114 REMARK 465 ASP A 115 REMARK 465 PHE A 116 REMARK 465 LYS A 117 REMARK 465 PRO A 118 REMARK 465 MET A 119 REMARK 465 LYS A 120 REMARK 465 GLY A 121 REMARK 465 TYR A 122 REMARK 465 GLY A 123 REMARK 465 ASN A 124 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 ASN A 37 N CA CB CG OD1 ND2 REMARK 470 LYS A 53 CG CD CE NZ REMARK 470 ARG A 68 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 83 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 86 CG CD CE NZ REMARK 470 SER A 92 N CA CB OG REMARK 470 ARG A 94 CG CD NE CZ NH1 NH2 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 TYR A 49 CB - CG - CD1 ANGL. DEV. = 3.9 DEGREES 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 204 DISTANCE = 8.32 ANGSTROMS REMARK 525 HOH A 211 DISTANCE = 6.64 ANGSTROMS REMARK 525 HOH A 216 DISTANCE = 8.49 ANGSTROMS REMARK 525 HOH A 234 DISTANCE = 6.91 ANGSTROMS REMARK 525 HOH A 240 DISTANCE = 8.22 ANGSTROMS REMARK 525 HOH A 254 DISTANCE = 10.80 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 126 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 44 NE2 REMARK 620 2 HEC A 126 NA 97.8 REMARK 620 3 HEC A 126 NB 93.4 89.9 REMARK 620 4 HEC A 126 NC 86.5 175.8 90.0 REMARK 620 5 HEC A 126 ND 85.9 89.1 178.7 91.1 REMARK 620 6 HIS A 62 NE2 176.3 85.4 88.5 90.3 92.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC A 125 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 79 NE2 REMARK 620 2 HEC A 125 NA 91.2 REMARK 620 3 HEC A 125 NB 88.0 90.2 REMARK 620 4 HEC A 125 NC 91.0 177.7 89.4 REMARK 620 5 HEC A 125 ND 92.4 90.9 178.8 89.4 REMARK 620 6 HIS A 102 NE2 176.6 85.9 90.1 91.8 89.6 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 HEC A 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC A 126 DBREF 1JNI A 2 124 UNP P44654 NAPB_HAEIN 28 150 SEQRES 1 A 123 ASP ALA PRO ALA VAL GLY LYS ASP LEU THR GLN ALA ALA SEQRES 2 A 123 GLU ASN ILE PRO PRO ALA PHE HIS ASN ALA PRO ARG GLN SEQRES 3 A 123 GLY GLU LEU PRO ALA LEU ASN TYR VAL ASN GLN PRO PRO SEQRES 4 A 123 MET VAL PRO HIS SER VAL ALA ASN TYR GLN VAL THR LYS SEQRES 5 A 123 ASN VAL ASN GLN CYS LEU ASN CYS HIS SER PRO GLU ASN SEQRES 6 A 123 SER ARG LEU SER GLY ALA THR ARG ILE SER PRO THR HIS SEQRES 7 A 123 PHE MET ASP ARG ASP GLY LYS VAL GLY SER SER SER SER SEQRES 8 A 123 PRO ARG ARG TYR PHE CYS LEU GLN CYS HIS VAL SER GLN SEQRES 9 A 123 ALA ASN VAL ASP PRO ILE VAL PRO ASN ASP PHE LYS PRO SEQRES 10 A 123 MET LYS GLY TYR GLY ASN HET HEC A 125 43 HET HEC A 126 43 HETNAM HEC HEME C FORMUL 2 HEC 2(C34 H34 FE N4 O4) FORMUL 4 HOH *128(H2 O) HELIX 1 1 CYS A 58 SER A 63 1 6 HELIX 2 2 ASN A 66 GLY A 71 1 6 HELIX 3 3 SER A 76 PHE A 80 5 5 HELIX 4 4 PHE A 97 CYS A 101 5 5 SHEET 1 A 2 VAL A 51 THR A 52 0 SHEET 2 A 2 VAL A 55 ASN A 56 -1 O VAL A 55 N THR A 52 LINK SG CYS A 58 CAB HEC A 126 1555 1555 1.98 LINK SG CYS A 61 CAC HEC A 126 1555 1555 1.85 LINK SG CYS A 98 CAB HEC A 125 1555 1555 1.93 LINK SG CYS A 101 CAC HEC A 125 1555 1555 1.91 LINK NE2 HIS A 44 FE HEC A 126 1555 1555 2.07 LINK NE2 HIS A 62 FE HEC A 126 1555 1555 2.00 LINK NE2 HIS A 79 FE HEC A 125 1555 1555 2.01 LINK NE2 HIS A 102 FE HEC A 125 1555 1555 2.05 SITE 1 AC1 14 PRO A 39 HIS A 62 THR A 73 ILE A 75 SITE 2 AC1 14 SER A 76 THR A 78 HIS A 79 ARG A 95 SITE 3 AC1 14 TYR A 96 PHE A 97 CYS A 98 CYS A 101 SITE 4 AC1 14 HIS A 102 HOH A 186 SITE 1 AC2 18 PRO A 40 VAL A 42 PRO A 43 HIS A 44 SITE 2 AC2 18 TYR A 49 GLN A 57 CYS A 58 CYS A 61 SITE 3 AC2 18 HIS A 62 GLY A 71 ALA A 72 THR A 73 SITE 4 AC2 18 THR A 78 GLY A 85 CYS A 98 HIS A 102 SITE 5 AC2 18 HOH A 182 HOH A 203 CRYST1 78.752 78.752 29.047 90.00 90.00 90.00 P 4 21 2 8 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 0.012698 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012698 0.000000 0.00000 SCALE3 0.000000 0.000000 0.034427 0.00000