HEADER TRANSCRIPTION/DNA 07-NOV-97 2GAT TITLE SOLUTION STRUCTURE OF THE C-TERMINAL DOMAIN OF CHICKEN GATA-1 BOUND TO TITLE 2 DNA, NMR, REGULARIZED MEAN STRUCTURE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*GP*TP*TP*GP*CP*AP*GP*AP*TP*AP*AP*AP*CP*AP*TP*T)- COMPND 3 3'); COMPND 4 CHAIN: B; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (5'-D(*AP*AP*TP*GP*TP*TP*TP*AP*TP*CP*TP*GP*CP*AP*AP*C)- COMPND 8 3'); COMPND 9 CHAIN: C; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: ERYTHROID TRANSCRIPTION FACTOR GATA-1; COMPND 13 CHAIN: A; COMPND 14 FRAGMENT: C-TERMINAL DOMAIN; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 SYNTHETIC: YES; SOURCE 5 MOL_ID: 3; SOURCE 6 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 7 ORGANISM_COMMON: CHICKEN; SOURCE 8 ORGANISM_TAXID: 9031; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DNA BINDING PROTEIN, TRANSCRIPTION FACTOR, ZINC BINDING DOMAIN, KEYWDS 2 COMPLEX (TRANSCRIPTION REGULATION-DNA), TRANSCRIPTION-DNA COMPLEX EXPDTA SOLUTION NMR AUTHOR G.M.CLORE,N.TJANDRA,M.STARICH,J.G.OMICHINSKI,A.M.GRONENBORN REVDAT 3 09-MAR-22 2GAT 1 REMARK LINK REVDAT 2 24-FEB-09 2GAT 1 VERSN REVDAT 1 28-JAN-98 2GAT 0 JRNL AUTH N.TJANDRA,J.G.OMICHINSKI,A.M.GRONENBORN,G.M.CLORE,A.BAX JRNL TITL USE OF DIPOLAR 1H-15N AND 1H-13C COUPLINGS IN THE STRUCTURE JRNL TITL 2 DETERMINATION OF MAGNETICALLY ORIENTED MACROMOLECULES IN JRNL TITL 3 SOLUTION. JRNL REF NAT.STRUCT.BIOL. V. 4 732 1997 JRNL REFN ISSN 1072-8368 JRNL PMID 9303001 JRNL DOI 10.1038/NSB0997-732 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.R.STARICH,M.WIKSTROM,S.SHUMACHER,H.N.ARST,A.M.GRONENBORN, REMARK 1 AUTH 2 G.M.CLORE REMARK 1 TITL THE SOLUTION STRUCTURE OF THE LEU22-->VAL MUTANT AREA DNA REMARK 1 TITL 2 BINDING DOMAIN COMPLEXED WITH A TGATAG CORE ELEMENT DEFINES REMARK 1 TITL 3 A ROLE FOR HYDROPHOBIC PACKING IN THE DETERMINATION OF REMARK 1 TITL 4 SPECIFICITY REMARK 1 REF J.MOL.BIOL. V. 277 621 1998 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.G.OMICHINSKI,G.M.CLORE,O.SCHAAD,G.FELSENFELD,C.TRAINOR, REMARK 1 AUTH 2 E.APPELLA,S.J.STAHL,A.M.GRONENBORN REMARK 1 TITL NMR STRUCTURE OF A SPECIFIC DNA COMPLEX OF ZN-CONTAINING DNA REMARK 1 TITL 2 BINDING DOMAIN OF GATA-1 REMARK 1 REF SCIENCE V. 261 438 1993 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE STRUCTURES WERE CALCULATED USING THE SIMULATED REMARK 3 ANNEALING PROTOCOL OF NILGES ET AL. (1988) FEBS LETT. REMARK 3 229, 129 - 136 AND PROTEIN ENGINEERING 2, 27 - 38 USING REMARK 3 THE PROGRAM X-PLOR MODIFIED TO INCORPORATE DIPOLAR REMARK 3 COUPLING RESTRAINTS (TJANDRA ET AL. (1997) NATURE STRUCT REMARK 3 BIOL 4, 732-738) AND A CONFORMATIONAL DATABASE POTENTIAL REMARK 3 FOR PROTEINS AND NUCLEIC ACIDS (KUSZEWSKI ET AL. (1996) REMARK 3 PROTEIN SCI 5, 1067 - 1080 AND (1997) J. MAGN. RESON. 125, REMARK 3 171-177). THE EXPERIMENTAL RESTRAINTS ARE GIVEN IN REMARK 3 R2GATMR. REMARK 3 REMARK 3 THE STRUCTURES ARE BASED ON A TOTAL OF 1830 EXPERIMENTAL REMARK 3 NMR RESTRAINTS COMPRISING: 1444 INTERPROTON DISTANCE REMARK 3 RESTRAINTS DERIVED FROM NOE MEASUREMENTS; 296 TORSION REMARK 3 ANGLE RESTRAINTS; 90 RESIDUAL DIPOLAR COUPLINGS (52 N-H REMARK 3 AND 38 C-H). THE NOE RESTRAINTS ARE SUBDIVIDED AS FOLLOWS: REMARK 3 (A) WITHIN THE PROTEIN: 242 INTERRESIDUE SEQUENTIAL REMARK 3 (|I-J|=1); 161 INTERRESIDUE SHORT RANGE (1(LESS REMARK 3 THAN)|I-J|(LESS THAN)=5); 182 INTERRESIDUE LONG RANGE REMARK 3 (|I-J|(GREATER THAN)5); AND. 334 INTRARESIDUE. (B) WITHIN REMARK 3 THE DNA: 157 INTRARESIDUE; 180 SEQUENTIAL INTRASTRAND; 34 REMARK 3 INTERSTRAND; AND 37. H-BONDS (C) BETWEEN PROTEIN AND DNA: REMARK 3 117. THE TORSION ANGLE RESTRAINTS ARE SUBDIVIDED AS REMARK 3 FOLLOWS: 144 ANGLES FOR THE PROTEIN (58 PHI, 56 PSI, 26 REMARK 3 CHI1 AND 4 CHI2) AND. 152 FOR THE DNA. THE TORSION ANGLE REMARK 3 RESTRAINTS FOR THE DNA COMPRISE LOOSE RESTRAINTS ON THE REMARK 3 BACKBONE TORSION ANGLES ALPHA, BETA, GAMMA, EPSILON AND REMARK 3 ZETA TO PREVENT PROBLEMS ASSOCIATED WITH LOCAL MIRROR REMARK 3 IMAGES. REMARK 3 REMARK 3 THE STRUCTURE IN THIS ENTRY IS THE RESTRAINED REGULARIZED REMARK 3 MEAN STRUCTURE AND THE LAST NUMERIC COLUMN REPRESENTS THE REMARK 3 RMS OF THE 34 INDIVIDUAL SIMULATED ANNEALING STRUCTURES REMARK 3 FOUND IN PDB ENTRY 3GAT ABOUT THE MEAN COORDINATE REMARK 3 POSITIONS. THE LAST NUMERIC COLUMN IN THE INDIVIDUAL SA REMARK 3 STRUCTURES HAS NO MEANING. REMARK 3 REMARK 3 THE FOLLOWING TWO SETS OF COORDINATES DEFINE THE PRINCIPAL REMARK 3 AXIS OF THE MAGNETIC SUSCEPTIBILITY TENSOR: REMARK 3 POINT 1 50.250 -27.763 2.413 REMARK 3 POINT 2 50.328 -26.611 3.418 REMARK 4 REMARK 4 2GAT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178121. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6.1 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 : 600 MHZ; 500 MHZ; 360 MHZ; 750 REMARK 210 MHZ REMARK 210 SPECTROMETER MODEL : AM360; DMX500; AMX600; DMX750 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR MODIFIED MODIFIED REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 34 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : REGULARIZED MEAN STRUCTURE REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: DATA WERE RECORDED ON A 1:1 COMPLEX OF 1 MOLECULE OF DNA. 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, 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: 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 O TYR A 35 H GLN A 39 1.44 REMARK 500 O6 DG B 107 H41 DC C 126 1.56 REMARK 500 O VAL A 58 H SER A 60 1.58 REMARK 500 H SER A 8 O PRO A 26 1.58 REMARK 500 O CYS A 7 H GLN A 11 1.58 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 DT B 103 C5 DT B 103 C7 0.036 REMARK 500 DT B 109 C5 DT B 109 C7 0.036 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 DG B 101 O4' - C1' - N9 ANGL. DEV. = 2.3 DEGREES REMARK 500 DT B 102 O4' - C1' - N1 ANGL. DEV. = 2.4 DEGREES REMARK 500 DT B 103 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 DG B 104 O4' - C1' - N9 ANGL. DEV. = 2.6 DEGREES REMARK 500 DC B 105 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 DA B 106 O4' - C1' - N9 ANGL. DEV. = 1.8 DEGREES REMARK 500 DA B 106 N1 - C2 - N3 ANGL. DEV. = -3.0 DEGREES REMARK 500 DG B 107 O4' - C1' - N9 ANGL. DEV. = 3.8 DEGREES REMARK 500 DA B 108 O4' - C1' - N9 ANGL. DEV. = 2.4 DEGREES REMARK 500 DA B 108 N1 - C2 - N3 ANGL. DEV. = -3.1 DEGREES REMARK 500 DT B 109 O4' - C1' - N1 ANGL. DEV. = 2.1 DEGREES REMARK 500 DA B 110 O4' - C1' - N9 ANGL. DEV. = 2.4 DEGREES REMARK 500 DA B 110 N1 - C2 - N3 ANGL. DEV. = -3.1 DEGREES REMARK 500 DA B 111 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DA B 111 N1 - C2 - N3 ANGL. DEV. = -3.0 DEGREES REMARK 500 DA B 112 O4' - C1' - N9 ANGL. DEV. = 3.4 DEGREES REMARK 500 DA B 112 N1 - C2 - N3 ANGL. DEV. = -3.0 DEGREES REMARK 500 DA B 114 O4' - C1' - N9 ANGL. DEV. = 2.4 DEGREES REMARK 500 DA B 114 N1 - C2 - N3 ANGL. DEV. = -3.1 DEGREES REMARK 500 DT B 115 O4' - C1' - N1 ANGL. DEV. = 2.6 DEGREES REMARK 500 DT B 116 O4' - C1' - N1 ANGL. DEV. = 2.3 DEGREES REMARK 500 DA C 117 O4' - C1' - N9 ANGL. DEV. = 1.8 DEGREES REMARK 500 DA C 117 N1 - C2 - N3 ANGL. DEV. = -3.1 DEGREES REMARK 500 DA C 118 O4' - C1' - N9 ANGL. DEV. = 2.3 DEGREES REMARK 500 DA C 118 N1 - C2 - N3 ANGL. DEV. = -3.1 DEGREES REMARK 500 DT C 119 O4' - C1' - N1 ANGL. DEV. = 2.6 DEGREES REMARK 500 DG C 120 O4' - C1' - N9 ANGL. DEV. = 2.7 DEGREES REMARK 500 DT C 121 O4' - C1' - N1 ANGL. DEV. = 3.4 DEGREES REMARK 500 DT C 121 C6 - C5 - C7 ANGL. DEV. = -3.6 DEGREES REMARK 500 DT C 122 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 DT C 123 O4' - C1' - N1 ANGL. DEV. = 3.0 DEGREES REMARK 500 DA C 124 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DA C 124 N1 - C2 - N3 ANGL. DEV. = -3.0 DEGREES REMARK 500 DT C 125 O4' - C1' - N1 ANGL. DEV. = 3.2 DEGREES REMARK 500 DC C 126 O4' - C1' - N1 ANGL. DEV. = 2.5 DEGREES REMARK 500 DT C 127 O4' - C1' - N1 ANGL. DEV. = 2.1 DEGREES REMARK 500 DG C 128 O4' - C1' - N9 ANGL. DEV. = 2.5 DEGREES REMARK 500 DC C 129 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 DA C 130 O4' - C1' - N9 ANGL. DEV. = 2.4 DEGREES REMARK 500 DA C 130 N1 - C2 - N3 ANGL. DEV. = -3.1 DEGREES REMARK 500 DA C 131 O4' - C1' - N9 ANGL. DEV. = 2.6 DEGREES REMARK 500 DA C 131 N1 - C2 - N3 ANGL. DEV. = -3.1 DEGREES REMARK 500 DC C 132 O4' - C1' - N1 ANGL. DEV. = 2.6 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 GLN A 11 2.36 59.97 REMARK 500 ASP A 49 -75.90 -58.94 REMARK 500 LYS A 57 178.89 -53.99 REMARK 500 SER A 59 35.51 -66.54 REMARK 500 LYS A 63 -75.13 1.59 REMARK 500 LYS A 64 -139.84 -142.06 REMARK 500 ARG A 65 -122.42 69.95 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 ARG A 47 0.10 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 ZN A 67 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 7 SG REMARK 620 2 CYS A 10 SG 106.0 REMARK 620 3 CYS A 28 SG 111.8 112.5 REMARK 620 4 CYS A 31 SG 110.0 109.2 107.4 REMARK 620 N 1 2 3 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 67 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3GAT RELATED DB: PDB REMARK 900 ENSEMBLE OF 34 STRUCTURES DBREF 2GAT A 1 66 UNP P17678 GATA1_CHICK 158 223 DBREF 2GAT B 101 116 PDB 2GAT 2GAT 101 116 DBREF 2GAT C 117 132 PDB 2GAT 2GAT 117 132 SEQRES 1 B 16 DG DT DT DG DC DA DG DA DT DA DA DA DC SEQRES 2 B 16 DA DT DT SEQRES 1 C 16 DA DA DT DG DT DT DT DA DT DC DT DG DC SEQRES 2 C 16 DA DA DC SEQRES 1 A 66 LYS ARG ALA GLY THR VAL CYS SER ASN CYS GLN THR SER SEQRES 2 A 66 THR THR THR LEU TRP ARG ARG SER PRO MET GLY ASP PRO SEQRES 3 A 66 VAL CYS ASN ALA CYS GLY LEU TYR TYR LYS LEU HIS GLN SEQRES 4 A 66 VAL ASN ARG PRO LEU THR MET ARG LYS ASP GLY ILE GLN SEQRES 5 A 66 THR ARG ASN ARG LYS VAL SER SER LYS GLY LYS LYS ARG SEQRES 6 A 66 ARG HET ZN A 67 1 HETNAM ZN ZINC ION FORMUL 4 ZN ZN 2+ HELIX 1 1 ASN A 29 HIS A 38 1 10 HELIX 2 2 LEU A 44 MET A 46 5 3 SHEET 1 A 2 TRP A 18 ARG A 20 0 SHEET 2 A 2 PRO A 26 CYS A 28 -1 N VAL A 27 O ARG A 19 LINK SG CYS A 7 ZN ZN A 67 1555 1555 2.27 LINK SG CYS A 10 ZN ZN A 67 1555 1555 2.27 LINK SG CYS A 28 ZN ZN A 67 1555 1555 2.33 LINK SG CYS A 31 ZN ZN A 67 1555 1555 2.28 SITE 1 AC1 4 CYS A 7 CYS A 10 CYS A 28 CYS A 31 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