1C7M - Header Asymmetric Unit

HEADER ELECTRON TRANSPORT 03-MAR-00 1C7M

TITLE SOLUTION STRUCTURE OF THE FUNCTIONAL DOMAIN OF PARACOCCUS TITLE 2 DENITRIFICANS CYTOCHROME C552 IN THE REDUCED STATE

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (CYTOCHROME C552); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SOLUBLE FUNCTIONAL DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: COVALENT THIOETHER LINKAGES FROM HEME COMPND 7 COFACTOR TO BOTH CYS14 AND CYS17

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARACOCCUS DENITRIFICANS; SOURCE 3 ORGANISM_TAXID: 266; SOURCE 4 STRAIN: PD1235; SOURCE 5 CELLULAR_LOCATION: PERIPLASM; SOURCE 6 GENE: CYCM; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 10 EXPRESSION_SYSTEM_CELLULAR_LOCATION: PERIPLASM; SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PET22B+; SOURCE 13 OTHER_DETAILS: HETEROLOGOUS EXPRESSION

KEYWDS ELECTRON TRANSPORT, CYTOCHROME C552, HEME, REDOX STATES, KEYWDS 2 ISOTOPE ENRICHMENT {15N}, NMR SPECTROSCOPY, SOLUTION KEYWDS 3 STRUCTURE

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR P.PRISTOVSEK,C.LUECKE,B.REINCKE,B.LUDWIG,H.RUETERJANS

REVDAT 3 24-FEB-09 1C7M 1 VERSN REVDAT 2 01-APR-03 1C7M 1 JRNL REVDAT 1 19-JUL-00 1C7M 0

JRNL AUTH P.PRISTOVSEK,C.LUCKE,B.REINCKE,B.LUDWIG,H.RUTERJANS JRNL TITL SOLUTION STRUCTURE OF THE FUNCTIONAL DOMAIN OF JRNL TITL 2 PARACOCCUS DENITRIFICANS CYTOCHROME C552 IN THE JRNL TITL 3 REDUCED STATE. JRNL REF EUR.J.BIOCHEM. V. 267 4205 2000 JRNL REFN ISSN 0014-2956 JRNL PMID 10866825 JRNL DOI 10.1046/J.1432-1327.2000.01456.X

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.HARRENGA,B.REINCKE,H.RUETERJANS,B.LUDWIG,H.MICHEL REMARK 1 TITL STRUCTURE OF THE SOLUBLE DOMAIN OF CYTOCHROME C552 REMARK 1 TITL 2 FROM PARACOCCUS DENITRIFICANS IN THE OXIDIZED AND REMARK 1 TITL 3 REDUCED STATES REMARK 1 REF J.MOL.BIOL. V. 295 667 2000 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1999.3382 REMARK 1 REFERENCE 2 REMARK 1 AUTH B.REINCKE,L.THOENY-MEYER,C.DANNEHL,A.ODENWALD, REMARK 1 AUTH 2 M.AIDIM,H.WITT,H.RUETERJANS,B.LUDWIG REMARK 1 TITL HETEROLOGOUS EXPRESSION OF SOLUBLE FRAGMENTS OF REMARK 1 TITL 2 CYTOCHROME C552 ACTING AS ELECTRON DONOR TO THE REMARK 1 TITL 3 PARACOCCUS DENITRIFICANS CYTOCHROME C OXIDASE REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1441 114 1999 REMARK 1 REFN ISSN 0006-3002

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DISCOVER 97 REMARK 3 AUTHORS : MSI REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ENERGY MINIMIZATION.

REMARK 4 REMARK 4 1C7M COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAR-00. REMARK 100 THE RCSB ID CODE IS RCSB001436.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298.00 REMARK 210 PH : 5.50 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 20 MM PHOSPHATE, 90% H2O/ 10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 1H-1H TOCSY, 1H-1H NOESY, 1H- REMARK 210 15N HSQC, 1H- 15N TOCSY-HSQC, REMARK 210 1H-15N NOESY-HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ, 600 MHZ REMARK 210 SPECTROMETER MODEL : DMX500, DMX600 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DYANA 1.5, DISCOVER 97 REMARK 210 METHOD USED : DISTANCE GEOMETRY, ENERGY REMARK 210 MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 300 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE EXPERIMENTS WERE PERFORMED WITH REDUCED UNLABELED REMARK 210 OR 15N-LABELED CYTOCHROME C552.

REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS.

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 1 GLU A 8 CD GLU A 8 OE2 0.110 REMARK 500 1 HIS A 53 CG HIS A 53 CD2 0.055 REMARK 500 1 GLU A 60 CD GLU A 60 OE1 0.114 REMARK 500 1 GLU A 64 CD GLU A 64 OE2 0.112 REMARK 500 1 GLU A 87 CD GLU A 87 OE2 0.112 REMARK 500 1 GLU A 97 CD GLU A 97 OE1 0.110 REMARK 500 2 GLU A 8 CD GLU A 8 OE1 0.111 REMARK 500 2 HIS A 53 CG HIS A 53 CD2 0.054 REMARK 500 2 GLU A 60 CD GLU A 60 OE2 0.110 REMARK 500 2 GLU A 64 CD GLU A 64 OE2 0.109 REMARK 500 2 GLU A 87 CD GLU A 87 OE2 0.112 REMARK 500 2 GLU A 97 CD GLU A 97 OE1 0.114 REMARK 500 3 GLU A 8 CD GLU A 8 OE1 0.114 REMARK 500 3 HIS A 29 CG HIS A 29 CD2 0.056 REMARK 500 3 HIS A 53 CG HIS A 53 CD2 0.055 REMARK 500 3 GLU A 60 CD GLU A 60 OE2 0.109 REMARK 500 3 GLU A 64 CD GLU A 64 OE1 0.118 REMARK 500 3 GLU A 87 CD GLU A 87 OE2 0.113 REMARK 500 3 GLU A 97 CD GLU A 97 OE2 0.109 REMARK 500 4 GLU A 8 CD GLU A 8 OE2 0.116 REMARK 500 4 HIS A 53 CG HIS A 53 CD2 0.054 REMARK 500 4 GLU A 60 CD GLU A 60 OE2 0.117 REMARK 500 4 GLU A 64 CD GLU A 64 OE1 0.111 REMARK 500 4 GLU A 87 CD GLU A 87 OE2 0.113 REMARK 500 4 GLU A 97 CD GLU A 97 OE2 0.108 REMARK 500 5 GLU A 8 CD GLU A 8 OE2 0.116 REMARK 500 5 HIS A 53 CG HIS A 53 CD2 0.054 REMARK 500 5 GLU A 60 CD GLU A 60 OE2 0.109 REMARK 500 5 GLU A 64 CD GLU A 64 OE1 0.113 REMARK 500 5 GLU A 87 CD GLU A 87 OE2 0.110 REMARK 500 5 GLU A 97 CD GLU A 97 OE1 0.115 REMARK 500 6 GLU A 8 CD GLU A 8 OE2 0.109 REMARK 500 6 HIS A 53 CG HIS A 53 CD2 0.055 REMARK 500 6 GLU A 60 CD GLU A 60 OE2 0.109 REMARK 500 6 GLU A 64 CD GLU A 64 OE1 0.109 REMARK 500 6 GLU A 87 CD GLU A 87 OE2 0.115 REMARK 500 6 GLU A 97 CD GLU A 97 OE1 0.113 REMARK 500 7 GLU A 8 CD GLU A 8 OE2 0.110 REMARK 500 7 GLU A 60 CD GLU A 60 OE1 0.114 REMARK 500 7 GLU A 64 CD GLU A 64 OE1 0.113 REMARK 500 7 GLU A 87 CD GLU A 87 OE1 0.110 REMARK 500 7 GLU A 97 CD GLU A 97 OE1 0.111 REMARK 500 8 GLU A 8 CD GLU A 8 OE1 0.113 REMARK 500 8 HIS A 53 CG HIS A 53 CD2 0.055 REMARK 500 8 GLU A 60 CD GLU A 60 OE1 0.114 REMARK 500 8 GLU A 64 CD GLU A 64 OE1 0.117 REMARK 500 8 GLU A 87 CD GLU A 87 OE2 0.115 REMARK 500 8 GLU A 97 CD GLU A 97 OE1 0.113 REMARK 500 9 GLU A 8 CD GLU A 8 OE2 0.113 REMARK 500 9 HIS A 53 CG HIS A 53 CD2 0.056 REMARK 500 REMARK 500 THIS ENTRY HAS 119 BOND DEVIATIONS. 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 1 ASP A 3 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 1 HIS A 18 ND1 - CE1 - NE2 ANGL. DEV. = 8.5 DEGREES REMARK 500 1 ASP A 21 CB - CG - OD1 ANGL. DEV. = -5.9 DEGREES REMARK 500 1 ASP A 21 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 1 ASP A 24 CB - CG - OD1 ANGL. DEV. = -5.5 DEGREES REMARK 500 1 HIS A 29 ND1 - CE1 - NE2 ANGL. DEV. = 8.4 DEGREES REMARK 500 1 ARG A 36 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 1 ASP A 42 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 1 ASP A 48 CB - CG - OD1 ANGL. DEV. = -5.9 DEGREES REMARK 500 1 ASP A 48 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 1 HIS A 53 ND1 - CE1 - NE2 ANGL. DEV. = 8.5 DEGREES REMARK 500 1 ASP A 56 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 1 ASP A 56 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 1 ASP A 88 CB - CG - OD1 ANGL. DEV. = -5.5 DEGREES REMARK 500 1 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 2 ASP A 3 CB - CG - OD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 2 ASP A 3 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 2 HIS A 18 ND1 - CE1 - NE2 ANGL. DEV. = 8.6 DEGREES REMARK 500 2 ASP A 21 CB - CG - OD1 ANGL. DEV. = -5.9 DEGREES REMARK 500 2 ASP A 21 CB - CG - OD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 2 ASP A 24 CB - CG - OD1 ANGL. DEV. = -5.8 DEGREES REMARK 500 2 ASP A 24 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 2 HIS A 29 ND1 - CE1 - NE2 ANGL. DEV. = 8.7 DEGREES REMARK 500 2 ARG A 36 CG - CD - NE ANGL. DEV. = 15.2 DEGREES REMARK 500 2 ARG A 36 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 2 ASP A 42 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 2 HIS A 53 ND1 - CE1 - NE2 ANGL. DEV. = 8.5 DEGREES REMARK 500 2 ASP A 56 CB - CG - OD1 ANGL. DEV. = -6.2 DEGREES REMARK 500 2 ASP A 56 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 2 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 3 ASP A 3 CB - CG - OD1 ANGL. DEV. = -6.2 DEGREES REMARK 500 3 HIS A 18 ND1 - CE1 - NE2 ANGL. DEV. = 8.5 DEGREES REMARK 500 3 ASP A 21 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 3 ASP A 21 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 3 ASP A 24 CB - CG - OD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 3 ASP A 24 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 3 HIS A 29 ND1 - CE1 - NE2 ANGL. DEV. = 8.6 DEGREES REMARK 500 3 ARG A 36 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 3 ASP A 48 CB - CG - OD1 ANGL. DEV. = -5.9 DEGREES REMARK 500 3 HIS A 53 ND1 - CE1 - NE2 ANGL. DEV. = 8.4 DEGREES REMARK 500 3 ASP A 56 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 3 ASP A 56 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 3 ASP A 88 CB - CG - OD1 ANGL. DEV. = 5.9 DEGREES REMARK 500 3 ASP A 88 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 3 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 4 ASP A 3 CB - CG - OD1 ANGL. DEV. = -6.0 DEGREES REMARK 500 4 ASP A 3 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 4 HIS A 18 ND1 - CE1 - NE2 ANGL. DEV. = 8.6 DEGREES REMARK 500 4 ASP A 24 CB - CG - OD1 ANGL. DEV. = -5.6 DEGREES REMARK 500 4 HIS A 29 ND1 - CE1 - NE2 ANGL. DEV. = 8.4 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 300 ANGLE DEVIATIONS. 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 1 LEU A 20 -51.11 85.13 REMARK 500 1 ASP A 24 -95.74 69.77 REMARK 500 1 ALA A 39 64.66 63.66 REMARK 500 1 GLU A 60 -59.95 -169.56 REMARK 500 2 ASP A 24 -81.87 -102.71 REMARK 500 2 ASN A 31 97.75 -62.47 REMARK 500 2 ALA A 39 79.08 68.32 REMARK 500 2 ASP A 42 -154.43 60.81 REMARK 500 2 PRO A 59 9.98 -64.32 REMARK 500 2 LYS A 77 8.91 -67.56 REMARK 500 3 ALA A 2 77.19 -102.44 REMARK 500 3 LEU A 20 17.22 54.72 REMARK 500 3 ASP A 21 56.59 -104.78 REMARK 500 3 ASP A 24 -85.84 -92.10 REMARK 500 3 ALA A 39 75.21 71.03 REMARK 500 3 TYR A 46 162.09 64.47 REMARK 500 3 PRO A 59 24.12 -66.60 REMARK 500 3 GLU A 60 -45.69 -132.29 REMARK 500 3 LYS A 77 11.64 -68.80 REMARK 500 4 ALA A 2 72.70 -109.94 REMARK 500 4 LEU A 20 1.59 53.14 REMARK 500 4 ASP A 21 60.35 -109.06 REMARK 500 4 ASP A 24 -77.60 -98.38 REMARK 500 4 ALA A 39 62.60 70.60 REMARK 500 4 PRO A 59 16.09 -66.23 REMARK 500 4 LYS A 77 3.02 -66.42 REMARK 500 5 LEU A 20 -39.61 81.63 REMARK 500 5 ASP A 21 48.63 -86.54 REMARK 500 5 ASP A 24 -86.78 -128.29 REMARK 500 5 PRO A 59 22.37 -66.21 REMARK 500 5 GLU A 60 -47.61 -131.99 REMARK 500 6 ALA A 2 76.55 -111.01 REMARK 500 6 LEU A 20 -7.41 60.65 REMARK 500 6 ASP A 21 53.49 -92.47 REMARK 500 6 ASP A 24 -77.19 -99.08 REMARK 500 6 GLU A 60 -62.24 -172.11 REMARK 500 7 ALA A 2 72.69 -105.31 REMARK 500 7 ASP A 24 -83.22 -95.34 REMARK 500 7 ALA A 39 88.20 73.03 REMARK 500 7 ASP A 42 95.77 -66.65 REMARK 500 7 GLU A 60 -64.29 -173.66 REMARK 500 7 ASN A 68 86.04 -159.57 REMARK 500 7 LYS A 77 3.24 -67.70 REMARK 500 8 LEU A 20 8.41 56.61 REMARK 500 8 ASP A 21 51.84 -109.26 REMARK 500 8 ASP A 24 -77.01 -99.55 REMARK 500 8 PRO A 59 20.62 -66.79 REMARK 500 8 GLU A 60 -41.19 -131.08 REMARK 500 8 LYS A 77 22.10 -73.25 REMARK 500 9 ALA A 2 74.54 -117.33 REMARK 500 9 LEU A 20 -49.40 85.90 REMARK 500 9 ASP A 24 -80.25 -110.04 REMARK 500 9 VAL A 26 -64.54 -95.69 REMARK 500 9 ALA A 39 76.30 66.74 REMARK 500 9 PRO A 59 39.71 -70.43 REMARK 500 9 GLU A 60 -39.65 -143.15 REMARK 500 9 LYS A 77 14.66 -69.25 REMARK 500 10 LEU A 20 -17.17 61.71 REMARK 500 10 ASP A 24 -79.43 -89.76 REMARK 500 10 ASN A 31 98.65 -69.66 REMARK 500 10 PRO A 59 12.22 -65.08 REMARK 500 10 LYS A 77 20.53 -74.94 REMARK 500 11 LEU A 20 -46.11 87.20 REMARK 500 11 ASP A 24 -74.12 -85.10 REMARK 500 11 ASN A 31 95.66 -66.55 REMARK 500 11 ALA A 39 98.45 77.75 REMARK 500 11 ASP A 42 -150.84 60.88 REMARK 500 11 PRO A 59 13.90 -66.20 REMARK 500 11 LYS A 77 2.44 -68.91 REMARK 500 12 ASP A 24 -87.46 -102.33 REMARK 500 12 ALA A 39 90.43 70.64 REMARK 500 12 GLU A 60 -62.06 -176.12 REMARK 500 12 LYS A 77 4.37 -66.64 REMARK 500 13 ASP A 24 -92.30 -119.02 REMARK 500 13 ASN A 31 104.52 -58.34 REMARK 500 13 PRO A 59 17.75 -66.56 REMARK 500 14 ALA A 2 75.16 -113.55 REMARK 500 14 ASP A 24 -84.21 -103.25 REMARK 500 14 PRO A 59 28.14 -68.90 REMARK 500 14 LYS A 70 33.82 -85.33 REMARK 500 14 ALA A 71 -40.90 -136.13 REMARK 500 14 VAL A 73 78.59 -104.73 REMARK 500 15 ASN A 23 -164.96 50.88 REMARK 500 15 ASP A 24 -81.33 -137.52 REMARK 500 15 ASN A 31 90.91 -66.79 REMARK 500 15 PRO A 59 24.33 -67.30 REMARK 500 15 GLU A 60 -44.55 -132.82 REMARK 500 15 LYS A 77 22.33 -72.56 REMARK 500 16 ALA A 2 72.55 -106.91 REMARK 500 16 ASP A 24 -86.30 -97.04 REMARK 500 16 ASN A 31 92.50 -66.06 REMARK 500 16 GLU A 60 -59.87 -176.69 REMARK 500 16 LYS A 70 31.83 -84.10 REMARK 500 16 ALA A 71 -40.63 -134.84 REMARK 500 17 LEU A 20 -10.65 60.77 REMARK 500 17 ASP A 24 -80.17 -86.93 REMARK 500 17 GLU A 60 -59.98 -173.19 REMARK 500 18 ALA A 2 73.54 -107.74 REMARK 500 18 LEU A 20 -45.97 84.74 REMARK 500 18 ASP A 24 -82.37 -113.25 REMARK 500 18 VAL A 26 -62.39 -102.07 REMARK 500 18 ASN A 31 99.98 -61.27 REMARK 500 18 PRO A 59 17.38 -65.64 REMARK 500 18 LYS A 77 6.45 -65.78 REMARK 500 19 ALA A 2 72.52 -107.75 REMARK 500 19 LEU A 20 -41.31 75.09 REMARK 500 19 ASP A 21 58.30 -90.72 REMARK 500 19 ASP A 24 -80.54 -119.88 REMARK 500 19 VAL A 26 -64.97 -98.50 REMARK 500 19 ASN A 31 105.64 -59.18 REMARK 500 19 ALA A 39 62.87 73.51 REMARK 500 19 PRO A 59 46.18 -72.40 REMARK 500 19 GLU A 60 -58.48 -167.22 REMARK 500 19 ASN A 68 85.55 -157.54 REMARK 500 19 LYS A 77 6.88 -67.95 REMARK 500 20 LEU A 20 -5.34 60.20 REMARK 500 20 ASP A 21 53.25 -98.00 REMARK 500 20 ASP A 24 -81.47 -112.71 REMARK 500 20 VAL A 26 -60.95 -97.81 REMARK 500 20 GLU A 60 -58.68 -167.89 REMARK 500 20 LYS A 77 23.28 -72.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LEU A 96 GLU A 97 1 145.46 REMARK 500 LEU A 96 GLU A 97 3 138.05 REMARK 500 LEU A 96 GLU A 97 6 144.65 REMARK 500 LEU A 96 GLU A 97 9 142.97 REMARK 500 LEU A 96 GLU A 97 10 142.98 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 1 HIS A 18 0.10 SIDE_CHAIN REMARK 500 2 ARG A 36 0.08 SIDE_CHAIN REMARK 500 2 PHE A 65 0.08 SIDE_CHAIN REMARK 500 3 HIS A 29 0.08 SIDE_CHAIN REMARK 500 7 HIS A 18 0.10 SIDE_CHAIN REMARK 500 7 ARG A 36 0.08 SIDE_CHAIN REMARK 500 7 PHE A 65 0.08 SIDE_CHAIN REMARK 500 11 PHE A 65 0.08 SIDE_CHAIN REMARK 500 12 HIS A 18 0.10 SIDE_CHAIN REMARK 500 13 PHE A 65 0.08 SIDE_CHAIN REMARK 500 14 HIS A 18 0.10 SIDE_CHAIN REMARK 500 16 HIS A 18 0.10 SIDE_CHAIN REMARK 500 17 PHE A 65 0.09 SIDE_CHAIN 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 1 HEC A 101 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 18 NE2 REMARK 620 2 MET A 78 SD 149.6 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 HEC A 101

DBREF 1C7M A 2 100 UNP P54820 CY552_PARDE 78 176

SEQADV 1C7M MET A 1 UNP P54820 SEE REMARK 999

SEQRES 1 A 100 MET ALA ASP PRO ALA ALA GLY GLU LYS VAL PHE GLY LYS SEQRES 2 A 100 CYS LYS ALA CYS HIS LYS LEU ASP GLY ASN ASP GLY VAL SEQRES 3 A 100 GLY PRO HIS LEU ASN GLY VAL VAL GLY ARG THR VAL ALA SEQRES 4 A 100 GLY VAL ASP GLY PHE ASN TYR SER ASP PRO MET LYS ALA SEQRES 5 A 100 HIS GLY GLY ASP TRP THR PRO GLU ALA LEU GLN GLU PHE SEQRES 6 A 100 LEU THR ASN PRO LYS ALA VAL VAL LYS GLY THR LYS MET SEQRES 7 A 100 ALA PHE ALA GLY LEU PRO LYS ILE GLU ASP ARG ALA ASN SEQRES 8 A 100 LEU ILE ALA TYR LEU GLU GLY GLN GLN

HET HEC A 101 75

HETNAM HEC HEME C

FORMUL 2 HEC C34 H34 FE N4 O4

HELIX 1 H1 PRO A 4 CYS A 14 1 11 HELIX 2 H2 ASP A 48 HIS A 53 1 6 HELIX 3 H3 ALA A 61 PHE A 65 1 5 HELIX 4 H4 PRO A 69 VAL A 72 1 4 HELIX 5 H5 ILE A 86 GLY A 98 1 13

LINK SG CYS A 14 CAB HEC A 101 1555 1555 1.80 LINK SG CYS A 17 CAC HEC A 101 1555 1555 1.82 LINK NE2 HIS A 18 FE HEC A 101 1555 1555 1.79 LINK FE HEC A 101 SD MET A 78 1555 1555 2.12

SITE 1 AC1 21 LYS A 13 CYS A 14 CYS A 17 HIS A 18 SITE 2 AC1 21 VAL A 26 GLY A 27 LEU A 30 ALA A 39 SITE 3 AC1 21 GLY A 40 PHE A 44 TYR A 46 SER A 47 SITE 4 AC1 21 MET A 50 TRP A 57 PHE A 65 LEU A 66 SITE 5 AC1 21 LYS A 77 MET A 78 ALA A 79 PHE A 80 SITE 6 AC1 21 LEU A 92

CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1

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 1.000000 0.000000 0.000000 0.00000

SCALE2 0.000000 1.000000 0.000000 0.00000

SCALE3 0.000000 0.000000 1.000000 0.00000