HEADER OXIDOREDUCTASE 15-DEC-01 1KMG TITLE THE SOLUTION STRUCTURE OF MONOMERIC COPPER-FREE SUPEROXIDE DISMUTASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUPEROXIDE DISMUTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.15.1.1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SOD1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: TOPP 1 (STRATAGENE); SOURCE 9 EXPRESSION_SYSTEM_CELLULAR_LOCATION: PERIPLASM; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PPHSOD1IQ KEYWDS OXIDOREDUCTASE, SUPEROXIDE DISMUTASE, COPPER-FREE PROTEIN, BETA- KEYWDS 2 BARREL EXPDTA SOLUTION NMR NUMMDL 35 AUTHOR L.BANCI,I.BERTINI,F.CANTINI,M.D'ONOFRIO,M.S.VIEZZOLI REVDAT 4 27-OCT-21 1KMG 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1KMG 1 VERSN REVDAT 2 01-APR-03 1KMG 1 JRNL REVDAT 1 02-OCT-02 1KMG 0 JRNL AUTH L.BANCI,I.BERTINI,F.CANTINI,M.D'ONOFRIO,M.S.VIEZZOLI JRNL TITL STRUCTURE AND DYNAMICS OF COPPER-FREE SOD: THE PROTEIN JRNL TITL 2 BEFORE BINDING COPPER. JRNL REF PROTEIN SCI. V. 11 2479 2002 JRNL REFN ISSN 0961-8368 JRNL PMID 12237469 JRNL DOI 10.1110/PS.0210802 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR, AMBER 5.0 REMARK 3 AUTHORS : PEARLMAN, D.A., CASE, D.A., CALDWELL, J.W., ROSS, REMARK 3 W.S., CHEATHAM, T.E., FERGUSON, D.M., SEIBEL, G.L., REMARK 3 SINGH, U.C., WEINER, P.K., AND KOLLMAN, P.A. REMARK 3 (1997) (AMBER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KMG COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-DEC-01. REMARK 100 THE DEPOSITION ID IS D_1000015109. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 5 REMARK 210 IONIC STRENGTH : 20 MM PHOSPHATE REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 2MM OF 15N AND 13C ENRICHED REMARK 210 SUPEROXIDE DISMUTASE; 2MM OF 15N REMARK 210 AND 13C ENRICHED SUPEROXIDE REMARK 210 DISMUTASE; 2MM UNLABELLED REMARK 210 SUPEROXIDE DISMUTASE REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY; 3D_13C REMARK 210 -SEPARATED_NOESY; CBCA(CO)NH; REMARK 210 CBCANH; HNCO; HN(CA)CO; CC(CO)NH- REMARK 210 TOCSY; 13C-HCCH-TOCSY; 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 800 MHZ; 700 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XEASY 1.3, DIANA 1.5, CORMA, REMARK 210 GARANT 2.0 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 400 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 35 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR REMARK 210 SPECTROSCOPY ON 13C, 15N LABELED SOD 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 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 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 3 CYS A 146 CA - CB - SG ANGL. DEV. = 8.5 DEGREES REMARK 500 11 CYS A 57 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 18 ARG A 79 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 32 ARG A 115 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 34 PHE A 20 CB - CG - CD2 ANGL. DEV. = -5.0 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 1 THR A 2 121.38 92.53 REMARK 500 1 LYS A 9 -52.05 -135.22 REMARK 500 1 SER A 25 -68.55 -101.69 REMARK 500 1 GLU A 49 -103.39 -51.30 REMARK 500 1 GLU A 51 -107.39 -73.99 REMARK 500 1 THR A 54 -55.21 -170.22 REMARK 500 1 ALA A 55 -53.01 -170.37 REMARK 500 1 THR A 58 7.74 -156.41 REMARK 500 1 SER A 59 -40.67 -176.00 REMARK 500 1 LEU A 67 -65.70 -155.84 REMARK 500 1 SER A 68 71.45 -154.95 REMARK 500 1 ARG A 79 160.57 177.33 REMARK 500 1 VAL A 81 39.62 -79.49 REMARK 500 1 ASP A 90 -90.38 -74.11 REMARK 500 1 LYS A 91 -34.37 -158.23 REMARK 500 1 ASP A 109 -105.60 55.10 REMARK 500 1 GLU A 121 -71.96 -50.82 REMARK 500 1 LEU A 126 -13.71 72.63 REMARK 500 1 ASN A 131 -78.54 -141.42 REMARK 500 1 GLU A 132 -54.06 179.56 REMARK 500 1 SER A 134 -77.13 -29.57 REMARK 500 1 ASN A 139 57.13 36.25 REMARK 500 1 LEU A 144 -72.64 -120.32 REMARK 500 1 ILE A 151 57.00 -98.65 REMARK 500 2 LYS A 9 -47.97 -139.77 REMARK 500 2 ASN A 26 83.04 -161.47 REMARK 500 2 LEU A 38 -168.16 -72.14 REMARK 500 2 GLU A 40 175.95 -51.24 REMARK 500 2 GLU A 51 -153.31 -80.61 REMARK 500 2 ASN A 53 -84.15 -152.79 REMARK 500 2 CYS A 57 29.49 -74.79 REMARK 500 2 SER A 59 68.74 177.69 REMARK 500 2 ALA A 60 -86.49 -141.61 REMARK 500 2 HIS A 63 57.57 -62.17 REMARK 500 2 PHE A 64 77.40 35.88 REMARK 500 2 LEU A 67 -66.63 -155.33 REMARK 500 2 SER A 68 74.71 -154.40 REMARK 500 2 ARG A 79 147.36 156.37 REMARK 500 2 LYS A 91 -55.99 -168.35 REMARK 500 2 SER A 98 70.40 -156.95 REMARK 500 2 GLU A 121 -72.15 -45.16 REMARK 500 2 LEU A 126 -7.61 81.55 REMARK 500 2 ASN A 131 -89.48 177.64 REMARK 500 2 GLU A 132 -57.35 -170.38 REMARK 500 2 THR A 137 -52.28 -132.53 REMARK 500 2 SER A 142 -179.71 -67.76 REMARK 500 2 LEU A 144 -85.27 -121.50 REMARK 500 2 ILE A 151 55.39 -92.11 REMARK 500 3 LYS A 9 -53.20 -132.23 REMARK 500 3 PRO A 13 40.59 -77.52 REMARK 500 REMARK 500 THIS ENTRY HAS 814 RAMACHANDRAN OUTLIERS. 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 THR A 58 SER A 59 1 -126.12 REMARK 500 THR A 58 SER A 59 2 -115.75 REMARK 500 ILE A 99 GLU A 100 2 145.91 REMARK 500 LEU A 38 THR A 39 3 149.73 REMARK 500 THR A 58 SER A 59 3 105.09 REMARK 500 ASP A 83 LEU A 84 3 147.03 REMARK 500 ALA A 152 GLN A 153 3 141.55 REMARK 500 THR A 58 SER A 59 4 -141.24 REMARK 500 THR A 58 SER A 59 5 -119.01 REMARK 500 THR A 58 SER A 59 6 -121.75 REMARK 500 THR A 58 SER A 59 7 -142.53 REMARK 500 GLY A 82 ASP A 83 7 143.98 REMARK 500 ASP A 96 VAL A 97 7 145.46 REMARK 500 THR A 58 SER A 59 8 -110.98 REMARK 500 ARG A 79 HIS A 80 8 147.08 REMARK 500 CYS A 57 THR A 58 9 -142.64 REMARK 500 THR A 58 SER A 59 9 -143.07 REMARK 500 GLY A 82 ASP A 83 9 146.64 REMARK 500 THR A 58 SER A 59 10 -117.95 REMARK 500 ARG A 79 HIS A 80 10 145.85 REMARK 500 VAL A 94 ALA A 95 10 149.18 REMARK 500 ASP A 96 VAL A 97 10 -148.31 REMARK 500 THR A 58 SER A 59 11 -123.62 REMARK 500 THR A 58 SER A 59 12 -133.26 REMARK 500 ALA A 152 GLN A 153 12 144.60 REMARK 500 LEU A 38 THR A 39 13 146.18 REMARK 500 THR A 58 SER A 59 13 -146.71 REMARK 500 THR A 58 SER A 59 14 -136.01 REMARK 500 ALA A 152 GLN A 153 14 139.82 REMARK 500 THR A 58 SER A 59 15 82.27 REMARK 500 LYS A 75 ASP A 76 15 -145.10 REMARK 500 GLY A 82 ASP A 83 15 149.78 REMARK 500 ALA A 152 GLN A 153 15 129.61 REMARK 500 THR A 58 SER A 59 16 -128.00 REMARK 500 ALA A 152 GLN A 153 16 142.32 REMARK 500 ASP A 11 GLY A 12 17 148.94 REMARK 500 THR A 58 SER A 59 17 -144.02 REMARK 500 ILE A 99 GLU A 100 17 149.31 REMARK 500 ILE A 35 LYS A 36 18 149.63 REMARK 500 THR A 58 SER A 59 18 139.99 REMARK 500 THR A 58 SER A 59 19 -115.65 REMARK 500 ASP A 83 LEU A 84 19 141.53 REMARK 500 THR A 58 SER A 59 20 -101.63 REMARK 500 THR A 58 SER A 59 21 -115.43 REMARK 500 THR A 58 SER A 59 22 143.46 REMARK 500 THR A 58 SER A 59 23 143.36 REMARK 500 THR A 58 SER A 59 24 -137.87 REMARK 500 THR A 58 SER A 59 25 -141.66 REMARK 500 THR A 58 SER A 59 26 -137.38 REMARK 500 VAL A 5 ALA A 6 27 148.98 REMARK 500 REMARK 500 THIS ENTRY HAS 71 NON CIS, NON-TRANS OMEGA OUTLIERS. 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 43 0.09 SIDE CHAIN REMARK 500 1 ARG A 79 0.10 SIDE CHAIN REMARK 500 1 HIS A 80 0.12 SIDE CHAIN REMARK 500 1 ARG A 115 0.12 SIDE CHAIN REMARK 500 2 ARG A 79 0.10 SIDE CHAIN REMARK 500 2 HIS A 80 0.10 SIDE CHAIN REMARK 500 3 HIS A 43 0.09 SIDE CHAIN REMARK 500 3 HIS A 80 0.13 SIDE CHAIN REMARK 500 3 ARG A 115 0.09 SIDE CHAIN REMARK 500 4 HIS A 43 0.09 SIDE CHAIN REMARK 500 4 HIS A 80 0.14 SIDE CHAIN REMARK 500 4 ARG A 115 0.08 SIDE CHAIN REMARK 500 5 ARG A 79 0.12 SIDE CHAIN REMARK 500 5 HIS A 80 0.10 SIDE CHAIN REMARK 500 5 ARG A 115 0.12 SIDE CHAIN REMARK 500 6 PHE A 20 0.10 SIDE CHAIN REMARK 500 6 HIS A 43 0.09 SIDE CHAIN REMARK 500 6 HIS A 80 0.14 SIDE CHAIN REMARK 500 7 HIS A 80 0.13 SIDE CHAIN REMARK 500 8 ARG A 69 0.07 SIDE CHAIN REMARK 500 8 HIS A 80 0.14 SIDE CHAIN REMARK 500 9 PHE A 20 0.10 SIDE CHAIN REMARK 500 9 HIS A 43 0.08 SIDE CHAIN REMARK 500 9 HIS A 80 0.14 SIDE CHAIN REMARK 500 9 ARG A 143 0.08 SIDE CHAIN REMARK 500 10 HIS A 43 0.09 SIDE CHAIN REMARK 500 10 HIS A 80 0.14 SIDE CHAIN REMARK 500 10 ARG A 115 0.10 SIDE CHAIN REMARK 500 11 HIS A 43 0.10 SIDE CHAIN REMARK 500 11 HIS A 80 0.11 SIDE CHAIN REMARK 500 11 ARG A 143 0.08 SIDE CHAIN REMARK 500 12 HIS A 43 0.09 SIDE CHAIN REMARK 500 12 HIS A 80 0.14 SIDE CHAIN REMARK 500 13 HIS A 80 0.13 SIDE CHAIN REMARK 500 14 PHE A 20 0.09 SIDE CHAIN REMARK 500 14 HIS A 43 0.09 SIDE CHAIN REMARK 500 14 HIS A 80 0.15 SIDE CHAIN REMARK 500 15 HIS A 43 0.08 SIDE CHAIN REMARK 500 15 ARG A 69 0.12 SIDE CHAIN REMARK 500 15 ARG A 79 0.20 SIDE CHAIN REMARK 500 15 HIS A 80 0.12 SIDE CHAIN REMARK 500 15 ARG A 115 0.12 SIDE CHAIN REMARK 500 16 HIS A 43 0.09 SIDE CHAIN REMARK 500 16 HIS A 80 0.15 SIDE CHAIN REMARK 500 16 ARG A 115 0.10 SIDE CHAIN REMARK 500 17 PHE A 20 0.09 SIDE CHAIN REMARK 500 17 HIS A 43 0.09 SIDE CHAIN REMARK 500 17 HIS A 80 0.13 SIDE CHAIN REMARK 500 18 HIS A 43 0.08 SIDE CHAIN REMARK 500 18 ARG A 69 0.08 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 99 PLANE DEVIATIONS. 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 ZN A 154 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 63 ND1 REMARK 620 2 HIS A 71 ND1 116.8 REMARK 620 3 HIS A 80 ND1 119.6 121.5 REMARK 620 4 ASP A 83 OD2 82.0 111.3 91.0 REMARK 620 5 THR A 137 O 79.7 87.4 88.1 158.4 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 154 DBREF 1KMG A 1 153 UNP P00441 SODC_HUMAN 1 153 SEQADV 1KMG ALA A 6 UNP P00441 CYS 6 ENGINEERED MUTATION SEQADV 1KMG GLU A 50 UNP P00441 PHE 50 ENGINEERED MUTATION SEQADV 1KMG GLU A 51 UNP P00441 GLY 51 ENGINEERED MUTATION SEQADV 1KMG SER A 111 UNP P00441 CYS 111 ENGINEERED MUTATION SEQADV 1KMG GLN A 133 UNP P00441 GLU 133 ENGINEERED MUTATION SEQRES 1 A 153 ALA THR LYS ALA VAL ALA VAL LEU LYS GLY ASP GLY PRO SEQRES 2 A 153 VAL GLN GLY ILE ILE ASN PHE GLU GLN LYS GLU SER ASN SEQRES 3 A 153 GLY PRO VAL LYS VAL TRP GLY SER ILE LYS GLY LEU THR SEQRES 4 A 153 GLU GLY LEU HIS GLY PHE HIS VAL HIS GLU GLU GLU ASP SEQRES 5 A 153 ASN THR ALA GLY CYS THR SER ALA GLY PRO HIS PHE ASN SEQRES 6 A 153 PRO LEU SER ARG LYS HIS GLY GLY PRO LYS ASP GLU GLU SEQRES 7 A 153 ARG HIS VAL GLY ASP LEU GLY ASN VAL THR ALA ASP LYS SEQRES 8 A 153 ASP GLY VAL ALA ASP VAL SER ILE GLU ASP SER VAL ILE SEQRES 9 A 153 SER LEU SER GLY ASP HIS SER ILE ILE GLY ARG THR LEU SEQRES 10 A 153 VAL VAL HIS GLU LYS ALA ASP ASP LEU GLY LYS GLY GLY SEQRES 11 A 153 ASN GLU GLN SER THR LYS THR GLY ASN ALA GLY SER ARG SEQRES 12 A 153 LEU ALA CYS GLY VAL ILE GLY ILE ALA GLN HET ZN A 154 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ HELIX 1 1 GLU A 132 THR A 137 1 6 SHEET 1 A 3 ALA A 4 LEU A 8 0 SHEET 2 A 3 GLY A 16 GLU A 21 -1 O PHE A 20 N ALA A 4 SHEET 3 A 3 LYS A 30 GLY A 33 -1 O TRP A 32 N ASN A 19 SHEET 1 B 4 ASP A 83 ALA A 89 0 SHEET 2 B 4 GLY A 41 HIS A 48 -1 N PHE A 45 O GLY A 85 SHEET 3 B 4 THR A 116 HIS A 120 -1 O VAL A 118 N HIS A 46 SHEET 4 B 4 ARG A 143 VAL A 148 -1 O ALA A 145 N VAL A 119 SSBOND 1 CYS A 57 CYS A 146 1555 1555 2.09 LINK ND1 HIS A 63 ZN ZN A 154 1555 1555 2.23 LINK ND1 HIS A 71 ZN ZN A 154 1555 1555 2.06 LINK ND1 HIS A 80 ZN ZN A 154 1555 1555 2.19 LINK OD2 ASP A 83 ZN ZN A 154 1555 1555 1.90 LINK O THR A 137 ZN ZN A 154 1555 1555 1.88 SITE 1 AC1 5 HIS A 63 HIS A 71 HIS A 80 ASP A 83 SITE 2 AC1 5 THR A 137 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 MODEL 1