1FHB - Header Asymmetric Unit

HEADER ELECTRON TRANSPORT 16-JUN-95 1FHB

TITLE THREE-DIMENSIONAL SOLUTION STRUCTURE OF THE CYANIDE ADDUCT TITLE 2 OF A MET80ALA VARIANT OF SACCHAROMYCES CEREVISIAE ISO-1- TITLE 3 CYTOCHROME C. IDENTIFICATION OF LIGAND-RESIDUE TITLE 4 INTERACTIONS IN THE DISTAL HEME CAVITY

COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERRICYTOCHROME C; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MET80ALA-ISO-1-FERRICYTOCHROME C (ISOZYME 1); COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: CYANIDE ADDUCT OF ALA 80, ISOZYME 1, COMPND 8 OXIDIZED FORM

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 STRAIN: GM3C2; SOURCE 6 VARIANT: H39Q, M80A, C102S; SOURCE 7 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 8 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: YEP213-LEU58HISCYC1; SOURCE 11 EXPRESSION_SYSTEM_GENE: YEAST ISO-1-CYTOCHROME C (CYC1)

KEYWDS ELECTRON TRANSPORT

EXPDTA SOLUTION NMR

NUMMDL 17

AUTHOR L.BANCI,I.BERTINI,K.L.BREN,H.B.GRAY,P.SOMPORNPISUT,P.TURANO

REVDAT 2 24-FEB-09 1FHB 1 VERSN REVDAT 1 15-SEP-95 1FHB 0

JRNL AUTH L.BANCI,I.BERTINI,K.L.BREN,H.B.GRAY,P.SOMPORNPISUT, JRNL AUTH 2 P.TURANO JRNL TITL THREE-DIMENSIONAL SOLUTION STRUCTURE OF THE JRNL TITL 2 CYANIDE ADDUCT OF A MET80ALA VARIANT OF JRNL TITL 3 SACCHAROMYCES CEREVISIAE ISO-1-CYTOCHROME C. JRNL TITL 4 IDENTIFICATION OF LIGAND-RESIDUE INTERACTIONS IN JRNL TITL 5 THE DISTAL HEME CAVITY JRNL REF BIOCHEMISTRY V. 34 11385 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7547866 JRNL DOI 10.1021/BI00036A011

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.L.BREN,H.B.GRAY,L.BANCI,I.BERTINI,P.TURANO REMARK 1 TITL PARAMAGNETIC 1H NMR SPECTROSCOPY OF THE CYANIDE REMARK 1 TITL 2 DERIVATIVE OF MET80ALA-ISO-1-CYTOCHROME C REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH Y.LU,D.R.CASIMILO,K.L.BREN,J.H.RICHARDS,H.B.GRAY REMARK 1 TITL STRUCTURALLY ENGINEERED CYTOCHROMES WITH UNUSUAL REMARK 1 TITL 2 LIGAND-BINDING PROPERTIES: EXPRESSION OF REMARK 1 TITL 3 SACCHAROMYCES CEREVISIAE MET80-->ALA REMARK 1 TITL 4 ISO-1-CYTOCHROME C REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 90 11456 1993 REMARK 1 REFN ISSN 0027-8424

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DIANA, AMBER 4.0 REMARK 3 AUTHORS : GUENTERT,BRAUN,WUTHRICH (DIANA), PEARLMAN,CASE, REMARK 3 CALDWELL,SIEBEL,SINGH,WEINER,KOLLMAN (AMBER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

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

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : NULL REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 17 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL

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: CLOSE CONTACTS 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 C CYN A 105 FE HEM A 104 1.86 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 2 TYR A 48 CB - CG - CD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 3 TYR A 48 CB - CG - CD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 4 TYR A 48 CB - CG - CD2 ANGL. DEV. = -4.1 DEGREES REMARK 500 5 TYR A 48 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 6 TYR A 48 CB - CG - CD2 ANGL. DEV. = -5.3 DEGREES REMARK 500 7 TYR A 48 CB - CG - CD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 10 TYR A 48 CB - CG - CD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 11 TYR A 48 CB - CG - CD2 ANGL. DEV. = -4.9 DEGREES REMARK 500 11 GLU A 103 CA - C - O ANGL. DEV. = -38.6 DEGREES REMARK 500 12 TYR A 48 CB - CG - CD2 ANGL. DEV. = -4.8 DEGREES REMARK 500 13 TYR A 48 CB - CG - CD2 ANGL. DEV. = -5.0 DEGREES REMARK 500 15 TYR A 48 CB - CG - CD2 ANGL. DEV. = -5.0 DEGREES REMARK 500 16 TYR A 48 CB - CG - CD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 17 TYR A 48 CB - CG - CD2 ANGL. DEV. = -6.2 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 1 LYS A 5 -54.86 76.32 REMARK 500 1 LYS A 27 -84.13 -58.79 REMARK 500 1 PRO A 30 -177.31 -66.93 REMARK 500 1 SER A 47 82.31 -69.49 REMARK 500 1 ASN A 56 106.10 -28.46 REMARK 500 1 ASN A 70 63.99 -159.42 REMARK 500 1 ALA A 80 77.44 -66.56 REMARK 500 1 LEU A 85 90.68 -65.73 REMARK 500 1 GLU A 88 -47.13 81.93 REMARK 500 2 LYS A 5 -54.95 76.71 REMARK 500 2 ARG A 13 -71.62 -142.04 REMARK 500 2 LYS A 27 -110.59 -89.11 REMARK 500 2 PHE A 36 86.90 -67.28 REMARK 500 2 LYS A 55 44.36 -103.70 REMARK 500 2 ASN A 56 107.45 -41.28 REMARK 500 2 TRP A 59 63.83 60.93 REMARK 500 2 ALA A 80 88.26 -61.51 REMARK 500 2 LEU A 85 54.30 -118.26 REMARK 500 2 GLU A 88 -39.30 77.16 REMARK 500 3 ALA A 3 -60.60 64.85 REMARK 500 3 LYS A 4 -175.17 -69.56 REMARK 500 3 LYS A 5 -60.96 73.64 REMARK 500 3 ARG A 13 -76.54 -140.57 REMARK 500 3 LYS A 27 -98.18 -76.32 REMARK 500 3 PHE A 36 98.95 -66.06 REMARK 500 3 GLU A 44 162.77 -49.00 REMARK 500 3 LYS A 55 49.29 -89.18 REMARK 500 3 ASN A 56 74.23 -55.18 REMARK 500 3 ASN A 70 80.47 -164.43 REMARK 500 3 ALA A 80 86.94 -68.57 REMARK 500 3 GLU A 88 -44.59 84.34 REMARK 500 4 LYS A 5 -53.21 72.61 REMARK 500 4 LYS A 27 -94.11 -62.77 REMARK 500 4 LEU A 32 42.11 -87.99 REMARK 500 4 PHE A 36 107.62 -58.29 REMARK 500 4 ARG A 38 -110.17 -86.75 REMARK 500 4 GLU A 44 -120.90 -89.97 REMARK 500 4 LYS A 55 35.14 -96.08 REMARK 500 4 ASN A 56 102.07 -39.47 REMARK 500 4 TRP A 59 76.14 67.11 REMARK 500 4 ASN A 70 87.52 -170.13 REMARK 500 4 ALA A 81 103.29 -164.08 REMARK 500 4 LYS A 87 -58.73 -11.07 REMARK 500 4 GLU A 88 -44.31 80.54 REMARK 500 5 PHE A -3 87.58 -67.21 REMARK 500 5 SER A 2 -163.08 -79.40 REMARK 500 5 LYS A 5 -61.89 94.89 REMARK 500 5 ARG A 13 -58.00 -133.57 REMARK 500 5 LYS A 27 -82.26 -54.58 REMARK 500 5 GLU A 44 -73.97 -105.97 REMARK 500 5 TYR A 48 -168.71 -79.60 REMARK 500 5 ASN A 56 99.67 -23.98 REMARK 500 5 ASN A 70 81.24 -162.86 REMARK 500 5 ALA A 80 87.07 -64.40 REMARK 500 5 GLU A 88 -53.65 78.40 REMARK 500 6 GLU A -4 117.01 -165.76 REMARK 500 6 LYS A 5 -56.82 75.69 REMARK 500 6 ARG A 13 -61.29 -134.98 REMARK 500 6 LYS A 27 -80.85 -57.01 REMARK 500 6 PRO A 30 -178.55 -65.59 REMARK 500 6 SER A 47 77.36 -68.59 REMARK 500 6 LYS A 55 42.00 -94.19 REMARK 500 6 ASN A 56 88.66 -46.67 REMARK 500 6 TRP A 59 75.62 55.38 REMARK 500 6 ASN A 70 70.89 -151.47 REMARK 500 6 ALA A 81 83.10 -162.29 REMARK 500 6 GLU A 88 -39.68 77.18 REMARK 500 7 LYS A 5 -54.73 73.19 REMARK 500 7 ARG A 13 -61.78 -142.80 REMARK 500 7 LYS A 27 -96.10 -67.64 REMARK 500 7 LEU A 32 40.95 -91.02 REMARK 500 7 GLU A 44 172.55 -55.63 REMARK 500 7 TYR A 48 -168.36 -79.01 REMARK 500 7 ASN A 56 98.20 -19.39 REMARK 500 7 TRP A 59 82.41 66.95 REMARK 500 7 ASN A 70 80.43 -156.22 REMARK 500 7 ALA A 80 128.10 -39.08 REMARK 500 7 LEU A 85 81.56 -67.91 REMARK 500 7 LYS A 87 83.63 -69.81 REMARK 500 8 LYS A 5 -53.85 77.47 REMARK 500 8 ARG A 13 -71.13 -140.62 REMARK 500 8 LYS A 27 -73.14 -42.89 REMARK 500 8 GLN A 39 161.36 -49.90 REMARK 500 8 SER A 47 78.78 -69.96 REMARK 500 8 TRP A 59 91.81 67.79 REMARK 500 8 ASN A 70 84.92 -153.45 REMARK 500 8 ALA A 80 83.68 -61.26 REMARK 500 8 LEU A 85 77.06 -69.55 REMARK 500 8 GLU A 88 -40.19 78.17 REMARK 500 9 ALA A 3 -61.48 67.30 REMARK 500 9 LYS A 5 -59.99 74.69 REMARK 500 9 ARG A 13 -39.06 -138.68 REMARK 500 9 LYS A 27 -91.98 -82.27 REMARK 500 9 PRO A 30 -176.58 -67.67 REMARK 500 9 ASN A 56 86.75 -27.45 REMARK 500 9 TRP A 59 76.46 55.30 REMARK 500 9 ASN A 70 76.67 -155.05 REMARK 500 9 LYS A 87 99.16 -55.14 REMARK 500 10 LYS A 5 -56.32 75.61 REMARK 500 10 ARG A 13 -46.88 -131.83 REMARK 500 10 LYS A 27 -101.77 -73.02 REMARK 500 10 PHE A 36 105.59 -59.31 REMARK 500 10 GLN A 39 156.44 -49.66 REMARK 500 10 LYS A 55 40.46 -93.76 REMARK 500 10 ASN A 56 89.78 -42.58 REMARK 500 10 TRP A 59 80.65 62.97 REMARK 500 10 ASN A 70 74.17 -152.47 REMARK 500 10 ALA A 80 81.08 -65.60 REMARK 500 10 LYS A 86 -58.82 -156.95 REMARK 500 10 LYS A 87 -28.24 -35.35 REMARK 500 10 GLU A 88 -50.45 85.48 REMARK 500 11 ALA A 3 -63.49 63.86 REMARK 500 11 LYS A 4 -168.35 -74.08 REMARK 500 11 LYS A 5 -60.73 72.35 REMARK 500 11 ARG A 13 -61.09 -140.61 REMARK 500 11 LYS A 22 98.34 -58.20 REMARK 500 11 LYS A 27 -78.14 -50.74 REMARK 500 11 ALA A 43 79.54 -68.10 REMARK 500 11 GLU A 44 70.16 -66.18 REMARK 500 11 LYS A 55 31.59 -92.11 REMARK 500 11 ASN A 56 98.26 -33.02 REMARK 500 11 TRP A 59 101.91 63.40 REMARK 500 11 ASN A 70 81.34 -161.91 REMARK 500 11 GLU A 88 -49.58 75.71 REMARK 500 11 SER A 102 33.97 -93.13 REMARK 500 12 ALA A 3 -66.41 62.24 REMARK 500 12 LYS A 4 -161.63 -73.43 REMARK 500 12 LYS A 5 -55.86 75.93 REMARK 500 12 LYS A 27 -91.10 -59.04 REMARK 500 12 GLN A 42 38.62 -142.42 REMARK 500 12 SER A 47 80.01 -67.83 REMARK 500 12 LYS A 55 30.56 -90.58 REMARK 500 12 ASN A 56 98.08 -37.51 REMARK 500 12 ASN A 70 77.66 -154.75 REMARK 500 12 ALA A 80 92.83 -65.10 REMARK 500 12 LYS A 86 -51.90 -120.82 REMARK 500 13 GLU A -4 -68.00 -164.86 REMARK 500 13 ALA A -1 150.69 -49.26 REMARK 500 13 LYS A 5 -61.08 77.66 REMARK 500 13 LYS A 22 99.51 -58.77 REMARK 500 13 LYS A 27 -82.20 -53.73 REMARK 500 13 PHE A 36 98.16 -66.13 REMARK 500 13 GLU A 44 172.89 -57.81 REMARK 500 13 LYS A 55 39.19 -94.45 REMARK 500 13 ASN A 56 64.51 -47.41 REMARK 500 13 ASN A 70 84.89 -152.59 REMARK 500 13 ALA A 80 81.67 -63.13 REMARK 500 13 LYS A 86 -54.22 -147.98 REMARK 500 14 GLU A -4 -65.49 -163.20 REMARK 500 14 LYS A 5 -54.98 77.24 REMARK 500 14 ARG A 13 -74.21 -143.19 REMARK 500 14 LYS A 22 98.55 -65.70 REMARK 500 14 LYS A 27 -105.39 -85.04 REMARK 500 14 PRO A 30 -176.64 -68.35 REMARK 500 14 PHE A 36 92.45 -61.31 REMARK 500 14 GLN A 42 36.58 -147.66 REMARK 500 14 ALA A 43 59.21 -158.25 REMARK 500 14 SER A 47 81.27 -69.85 REMARK 500 14 ASN A 56 87.93 -47.43 REMARK 500 14 ASN A 70 68.25 -168.53 REMARK 500 14 ALA A 80 83.68 -64.55 REMARK 500 14 GLU A 88 -41.60 79.83 REMARK 500 15 LYS A 5 -52.64 74.16 REMARK 500 15 LYS A 27 -80.28 -55.03 REMARK 500 15 PRO A 30 -177.13 -68.64 REMARK 500 15 GLN A 42 40.27 -140.08 REMARK 500 15 SER A 47 75.16 -69.75 REMARK 500 15 ASN A 56 94.28 -40.87 REMARK 500 15 ALA A 80 78.95 -61.99 REMARK 500 15 GLU A 88 -40.60 77.08 REMARK 500 16 ALA A 3 -61.57 67.11 REMARK 500 16 LYS A 4 -172.95 -68.20 REMARK 500 16 LYS A 5 -61.55 75.20 REMARK 500 16 ARG A 13 -63.82 -123.46 REMARK 500 16 LYS A 27 -102.41 -73.86 REMARK 500 16 LYS A 55 35.60 -88.70 REMARK 500 16 ASN A 56 100.66 -28.31 REMARK 500 16 TRP A 59 72.64 67.45 REMARK 500 16 ASN A 70 73.29 -164.82 REMARK 500 16 ALA A 80 81.43 -63.19 REMARK 500 16 LEU A 85 78.85 -69.45 REMARK 500 16 GLU A 88 -47.24 79.97 REMARK 500 17 ALA A 3 -63.10 69.32 REMARK 500 17 LYS A 5 -55.37 77.88 REMARK 500 17 LYS A 27 -77.83 -50.96 REMARK 500 17 SER A 47 91.48 -67.21 REMARK 500 17 ASN A 56 99.95 -25.63 REMARK 500 17 ASN A 70 80.71 -159.55 REMARK 500 17 ALA A 81 93.09 -167.00 REMARK 500 17 LYS A 87 99.12 -67.99 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 TYR A 48 0.17 SIDE_CHAIN REMARK 500 1 TYR A 67 0.09 SIDE_CHAIN REMARK 500 1 PHE A 82 0.10 SIDE_CHAIN REMARK 500 2 HIS A 33 0.10 SIDE_CHAIN REMARK 500 2 TYR A 67 0.12 SIDE_CHAIN REMARK 500 2 TYR A 74 0.09 SIDE_CHAIN REMARK 500 2 PHE A 82 0.09 SIDE_CHAIN REMARK 500 2 ARG A 91 0.11 SIDE_CHAIN REMARK 500 2 TYR A 97 0.07 SIDE_CHAIN REMARK 500 3 TYR A 48 0.16 SIDE_CHAIN REMARK 500 3 TYR A 67 0.10 SIDE_CHAIN REMARK 500 3 TYR A 97 0.06 SIDE_CHAIN REMARK 500 4 ARG A 13 0.08 SIDE_CHAIN REMARK 500 4 PHE A 36 0.09 SIDE_CHAIN REMARK 500 4 TYR A 67 0.10 SIDE_CHAIN REMARK 500 5 TYR A 67 0.10 SIDE_CHAIN REMARK 500 5 TYR A 74 0.18 SIDE_CHAIN REMARK 500 6 TYR A 48 0.15 SIDE_CHAIN REMARK 500 6 TYR A 67 0.12 SIDE_CHAIN REMARK 500 6 TYR A 74 0.07 SIDE_CHAIN REMARK 500 6 ARG A 91 0.12 SIDE_CHAIN REMARK 500 7 PHE A 10 0.08 SIDE_CHAIN REMARK 500 7 TYR A 48 0.18 SIDE_CHAIN REMARK 500 7 TYR A 67 0.13 SIDE_CHAIN REMARK 500 8 TYR A 48 0.18 SIDE_CHAIN REMARK 500 8 TYR A 67 0.09 SIDE_CHAIN REMARK 500 8 PHE A 82 0.10 SIDE_CHAIN REMARK 500 9 TYR A 48 0.16 SIDE_CHAIN REMARK 500 9 TYR A 67 0.11 SIDE_CHAIN REMARK 500 10 ARG A 38 0.08 SIDE_CHAIN REMARK 500 10 TYR A 48 0.12 SIDE_CHAIN REMARK 500 10 TYR A 67 0.10 SIDE_CHAIN REMARK 500 10 TYR A 74 0.07 SIDE_CHAIN REMARK 500 10 PHE A 82 0.13 SIDE_CHAIN REMARK 500 11 PHE A 36 0.08 SIDE_CHAIN REMARK 500 11 TYR A 48 0.10 SIDE_CHAIN REMARK 500 11 TYR A 67 0.09 SIDE_CHAIN REMARK 500 12 PHE A 10 0.08 SIDE_CHAIN REMARK 500 12 TYR A 48 0.16 SIDE_CHAIN REMARK 500 12 TYR A 67 0.08 SIDE_CHAIN REMARK 500 12 TYR A 74 0.07 SIDE_CHAIN REMARK 500 13 TYR A 48 0.13 SIDE_CHAIN REMARK 500 13 TYR A 67 0.11 SIDE_CHAIN REMARK 500 13 TYR A 74 0.09 SIDE_CHAIN REMARK 500 13 ARG A 91 0.10 SIDE_CHAIN REMARK 500 14 TYR A 48 0.17 SIDE_CHAIN REMARK 500 14 TYR A 67 0.09 SIDE_CHAIN REMARK 500 15 PHE A -3 0.08 SIDE_CHAIN REMARK 500 15 ARG A 13 0.09 SIDE_CHAIN REMARK 500 15 ARG A 38 0.09 SIDE_CHAIN REMARK 500 15 TYR A 48 0.20 SIDE_CHAIN REMARK 500 15 TYR A 67 0.11 SIDE_CHAIN REMARK 500 15 PHE A 82 0.08 SIDE_CHAIN REMARK 500 15 ARG A 91 0.11 SIDE_CHAIN REMARK 500 16 ARG A 13 0.11 SIDE_CHAIN REMARK 500 16 TYR A 48 0.08 SIDE_CHAIN REMARK 500 16 TYR A 67 0.10 SIDE_CHAIN REMARK 500 16 PHE A 82 0.12 SIDE_CHAIN REMARK 500 17 TYR A 48 0.09 SIDE_CHAIN REMARK 500 17 TYR A 67 0.12 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN A 105 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 104

DBREF 1FHB A -5 103 UNP P00044 CYC1_YEAST 1 108

SEQADV 1FHB GLN A 39 UNP P00044 HIS 44 CONFLICT SEQADV 1FHB ALA A 80 UNP P00044 MET 85 CONFLICT SEQADV 1FHB SER A 102 UNP P00044 CYS 107 CONFLICT

SEQRES 1 A 108 THR GLU PHE LYS ALA GLY SER ALA LYS LYS GLY ALA THR SEQRES 2 A 108 LEU PHE LYS THR ARG CYS LEU GLN CYS HIS THR VAL GLU SEQRES 3 A 108 LYS GLY GLY PRO HIS LYS VAL GLY PRO ASN LEU HIS GLY SEQRES 4 A 108 ILE PHE GLY ARG GLN SER GLY GLN ALA GLU GLY TYR SER SEQRES 5 A 108 TYR THR ASP ALA ASN ILE LYS LYS ASN VAL LEU TRP ASP SEQRES 6 A 108 GLU ASN ASN MET SER GLU TYR LEU THR ASN PRO M3L LYS SEQRES 7 A 108 TYR ILE PRO GLY THR LYS ALA ALA PHE GLY GLY LEU LYS SEQRES 8 A 108 LYS GLU LYS ASP ARG ASN ASP LEU ILE THR TYR LEU LYS SEQRES 9 A 108 LYS ALA SER GLU

MODRES 1FHB M3L A 72 LYS N-TRIMETHYLLYSINE

HET M3L A 72 12 HET CYN A 105 2 HET HEM A 104 43

HETNAM M3L N-TRIMETHYLLYSINE HETNAM CYN CYANIDE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE

HETSYN HEM HEME

FORMUL 1 M3L C9 H21 N2 O2 1+ FORMUL 2 CYN C N 1- FORMUL 3 HEM C34 H32 FE N4 O4

HELIX 1 1 GLY A 6 ARG A 13 1 8 HELIX 2 2 ASP A 50 LYS A 54 1 5 HELIX 3 3 GLU A 61 THR A 69 1 9 HELIX 4 4 PRO A 71 TYR A 74 1 4 HELIX 5 5 LYS A 89 ALA A 101 1 13

LINK C PRO A 71 N M3L A 72 1555 1555 1.33 LINK C M3L A 72 N LYS A 73 1555 1555 1.34 LINK NE2 HIS A 18 FE HEM A 104 1555 1555 1.96

SITE 1 AC1 4 TYR A 67 PRO A 71 ALA A 80 HEM A 104 SITE 1 AC2 27 ARG A 13 CYS A 14 GLN A 16 CYS A 17 SITE 2 AC2 27 HIS A 18 VAL A 28 GLY A 29 PRO A 30 SITE 3 AC2 27 LEU A 32 ILE A 35 SER A 40 GLY A 41 SITE 4 AC2 27 TYR A 46 THR A 49 ASN A 52 TRP A 59 SITE 5 AC2 27 MET A 64 TYR A 67 LEU A 68 GLY A 77 SITE 6 AC2 27 THR A 78 ALA A 80 PHE A 82 LEU A 85 SITE 7 AC2 27 LEU A 94 LEU A 98 CYN A 105

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