PDB Short entry for 2KAK HEADER METAL BINDING PROTEIN 06-NOV-08 2KAK TITLE SOLUTION STRUCTURE OF THE BETA-E-DOMAIN OF WHEAT EC-1 METALLOTHIONEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: EC PROTEIN I/II; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 31-81; COMPND 5 SYNONYM: ZINC METALLOTHIONEIN CLASS II; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRITICUM AESTIVUM; SOURCE 3 ORGANISM_COMMON: CANADIAN HARD WINTER WHEAT,COMMON WHEAT,WHEAT; SOURCE 4 ORGANISM_TAXID: 4565; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: K12; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PTYB2 KEYWDS METALLOTHIONEIN, SOLUTION STRUCTURE, WHEAT EC-1, ZN BINDING, METAL- KEYWDS 2 BINDING, METAL-THIOLATE CLUSTER, ZINC, METAL BINDING PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR E.A.PEROZA,R.SCHMUCKI,P.GUNTERT,E.FREISINGER,O.ZERBE REVDAT 2 19-FEB-20 2KAK 1 REMARK SEQADV REVDAT 1 05-MAY-09 2KAK 0 JRNL AUTH E.A.PEROZA,R.SCHMUCKI,P.GUNTERT,E.FREISINGER,O.ZERBE JRNL TITL THE BETA(E)-DOMAIN OF WHEAT E(C)-1 METALLOTHIONEIN: A JRNL TITL 2 METAL-BINDING DOMAIN WITH A DISTINCTIVE STRUCTURE. JRNL REF J.MOL.BIOL. V. 387 207 2009 JRNL REFN ISSN 0022-2836 JRNL PMID 19361445 JRNL DOI 10.1016/J.JMB.2009.01.035 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 3.0, OPALP REMARK 3 AUTHORS : P. GUNTERT ET AL. (CYANA), R. KORADI, P. GUNTERT, REMARK 3 M. BILLETER (OPALP) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2KAK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-NOV-08. REMARK 100 THE DEPOSITION ID IS D_1000100882. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 6.8 REMARK 210 IONIC STRENGTH : 50 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1.0 MM EC PROTEIN, 15.0 MM TRIS, REMARK 210 50.0 MM NACL, 90% H2O/10% D2O; REMARK 210 1.0 MM [U-99% 15N] EC PROTEIN, REMARK 210 15.0 MM TRIS, 50.0 MM NACL, 90% REMARK 210 H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H NOESY; 2D 1H-1H TOCSY; REMARK 210 3D 1H-15N TOCSY; 3D 1H-15N NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA 3.0 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: CYS-METAL CONNECITIVITES HAVE BEEN ASSIGNED REMARK 210 TENTATIVELY USING COMPUTATIONAL METHODS 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: 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 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 CYS A 36 CA - CB - SG ANGL. DEV. = 7.9 DEGREES REMARK 500 1 CYS A 67 CA - CB - SG ANGL. DEV. = 11.5 DEGREES REMARK 500 1 CYS A 73 CA - CB - SG ANGL. DEV. = 10.1 DEGREES REMARK 500 2 CYS A 36 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 2 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -7.4 DEGREES REMARK 500 2 CYS A 73 CA - CB - SG ANGL. DEV. = 7.5 DEGREES REMARK 500 2 CYS A 76 CA - CB - SG ANGL. DEV. = 9.1 DEGREES REMARK 500 4 ARG A 58 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 4 CYS A 67 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 5 CYS A 36 CA - CB - SG ANGL. DEV. = 8.4 DEGREES REMARK 500 5 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -9.9 DEGREES REMARK 500 5 CYS A 73 CA - CB - SG ANGL. DEV. = 10.8 DEGREES REMARK 500 6 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -9.3 DEGREES REMARK 500 6 CYS A 49 CA - CB - SG ANGL. DEV. = 6.6 DEGREES REMARK 500 6 CYS A 73 CA - CB - SG ANGL. DEV. = 7.7 DEGREES REMARK 500 6 CYS A 76 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 7 CYS A 36 CA - CB - SG ANGL. DEV. = 7.8 DEGREES REMARK 500 7 CYS A 67 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 7 CYS A 73 CA - CB - SG ANGL. DEV. = 11.3 DEGREES REMARK 500 8 CYS A 36 CA - CB - SG ANGL. DEV. = 7.0 DEGREES REMARK 500 8 CYS A 38 CA - CB - SG ANGL. DEV. = 7.5 DEGREES REMARK 500 8 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -9.9 DEGREES REMARK 500 8 CYS A 67 CA - CB - SG ANGL. DEV. = 7.9 DEGREES REMARK 500 8 CYS A 73 CA - CB - SG ANGL. DEV. = 9.6 DEGREES REMARK 500 9 CYS A 67 CA - CB - SG ANGL. DEV. = 8.7 DEGREES REMARK 500 9 CYS A 73 CA - CB - SG ANGL. DEV. = 11.3 DEGREES REMARK 500 10 CYS A 36 CA - CB - SG ANGL. DEV. = 7.4 DEGREES REMARK 500 10 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -8.5 DEGREES REMARK 500 10 CYS A 67 CA - CB - SG ANGL. DEV. = 7.5 DEGREES REMARK 500 10 CYS A 73 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 11 CYS A 36 CA - CB - SG ANGL. DEV. = 8.5 DEGREES REMARK 500 11 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -10.4 DEGREES REMARK 500 11 CYS A 76 CA - CB - SG ANGL. DEV. = 9.1 DEGREES REMARK 500 12 CYS A 36 CA - CB - SG ANGL. DEV. = 9.5 DEGREES REMARK 500 12 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -10.7 DEGREES REMARK 500 12 CYS A 49 CA - CB - SG ANGL. DEV. = 7.4 DEGREES REMARK 500 12 CYS A 73 CA - CB - SG ANGL. DEV. = 9.4 DEGREES REMARK 500 12 CYS A 76 CA - CB - SG ANGL. DEV. = 11.0 DEGREES REMARK 500 13 CYS A 36 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 13 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -9.2 DEGREES REMARK 500 13 CYS A 49 CA - CB - SG ANGL. DEV. = 7.4 DEGREES REMARK 500 13 CYS A 73 CA - CB - SG ANGL. DEV. = 8.5 DEGREES REMARK 500 14 CYS A 71 CA - CB - SG ANGL. DEV. = 10.6 DEGREES REMARK 500 14 CYS A 73 CA - CB - SG ANGL. DEV. = 10.8 DEGREES REMARK 500 15 CYS A 36 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 15 GLU A 40 OE1 - CD - OE2 ANGL. DEV. = -8.6 DEGREES REMARK 500 15 CYS A 73 CA - CB - SG ANGL. DEV. = 10.1 DEGREES REMARK 500 16 CYS A 36 CA - CB - SG ANGL. DEV. = 7.2 DEGREES REMARK 500 16 CYS A 49 CA - CB - SG ANGL. DEV. = 7.3 DEGREES REMARK 500 16 CYS A 76 CA - CB - SG ANGL. DEV. = 7.4 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 60 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 GLU A 32 -164.62 -68.95 REMARK 500 1 THR A 54 108.64 -59.53 REMARK 500 1 ASN A 60 53.36 -68.26 REMARK 500 1 ARG A 62 8.59 -66.17 REMARK 500 1 CYS A 67 161.03 -43.68 REMARK 500 1 ALA A 70 69.66 -6.26 REMARK 500 1 SER A 78 105.54 -56.24 REMARK 500 1 ALA A 79 29.21 -156.75 REMARK 500 1 ALA A 81 169.00 65.53 REMARK 500 2 ALA A 63 8.05 58.14 REMARK 500 2 CYS A 67 -176.65 -63.47 REMARK 500 2 SER A 78 -76.32 -78.99 REMARK 500 2 ALA A 79 13.98 113.68 REMARK 500 2 ALA A 81 -175.88 69.25 REMARK 500 3 ALA A 69 88.56 3.91 REMARK 500 3 ALA A 70 26.35 46.36 REMARK 500 3 ALA A 81 158.04 -48.56 REMARK 500 4 GLU A 52 -13.49 -141.60 REMARK 500 4 ALA A 70 57.65 26.16 REMARK 500 4 ALA A 79 63.25 -150.87 REMARK 500 5 ASN A 60 3.58 -67.23 REMARK 500 5 ARG A 61 -172.60 -68.03 REMARK 500 5 ALA A 79 -36.90 -162.08 REMARK 500 6 SER A 56 21.15 -145.63 REMARK 500 6 ARG A 58 43.79 -70.69 REMARK 500 6 ALA A 59 -142.29 -134.77 REMARK 500 6 ASN A 60 4.35 -66.38 REMARK 500 6 ALA A 63 -1.89 64.14 REMARK 500 6 ALA A 70 67.76 14.44 REMARK 500 6 ALA A 79 52.01 -162.58 REMARK 500 7 GLU A 52 105.77 -164.40 REMARK 500 7 ASN A 60 40.19 -67.55 REMARK 500 7 ARG A 61 -169.97 -72.30 REMARK 500 7 ALA A 63 -0.21 69.63 REMARK 500 7 CYS A 67 160.82 -48.58 REMARK 500 7 ALA A 70 42.50 -70.93 REMARK 500 7 PRO A 82 48.11 -77.08 REMARK 500 8 THR A 54 94.00 63.12 REMARK 500 8 ARG A 58 44.64 -78.92 REMARK 500 8 ARG A 61 -177.40 -67.56 REMARK 500 8 ALA A 63 9.96 58.39 REMARK 500 8 ALA A 70 64.18 10.34 REMARK 500 8 ALA A 79 -70.32 -171.00 REMARK 500 8 ALA A 81 170.32 59.75 REMARK 500 9 THR A 54 105.85 -52.86 REMARK 500 9 SER A 56 93.05 -68.83 REMARK 500 9 ALA A 69 107.39 -51.01 REMARK 500 9 ALA A 70 57.14 34.04 REMARK 500 9 SER A 78 76.28 35.79 REMARK 500 9 ALA A 79 98.83 -68.34 REMARK 500 REMARK 500 THIS ENTRY HAS 112 RAMACHANDRAN 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 8 ARG A 62 0.10 SIDE CHAIN REMARK 500 11 ARG A 61 0.11 SIDE CHAIN REMARK 500 13 ARG A 51 0.11 SIDE CHAIN REMARK 500 14 ARG A 62 0.11 SIDE CHAIN REMARK 500 20 ARG A 62 0.12 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 130 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 33 ND1 REMARK 620 2 HIS A 41 NE2 116.4 REMARK 620 3 CYS A 47 SG 103.8 111.7 REMARK 620 4 CYS A 49 SG 109.8 111.0 103.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 150 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 36 SG REMARK 620 2 CYS A 38 SG 101.2 REMARK 620 3 CYS A 67 SG 110.8 116.6 REMARK 620 4 CYS A 71 SG 103.1 112.2 111.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 170 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 36 SG REMARK 620 2 CYS A 44 SG 108.1 REMARK 620 3 CYS A 73 SG 112.7 112.8 REMARK 620 4 CYS A 76 SG 107.6 111.1 104.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 190 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 42 SG REMARK 620 2 CYS A 65 SG 109.1 REMARK 620 3 CYS A 67 SG 102.8 112.4 REMARK 620 4 CYS A 76 SG 112.4 110.2 109.8 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 130 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 150 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 170 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 190 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 16025 RELATED DB: BMRB DBREF 2KAK A 31 81 UNP P30569 EC1_WHEAT 31 81 SEQADV 2KAK PRO A 82 UNP P30569 EXPRESSION TAG SEQADV 2KAK GLY A 83 UNP P30569 EXPRESSION TAG SEQRES 1 A 53 GLY GLU HIS THR THR CYS GLY CYS GLY GLU HIS CYS GLY SEQRES 2 A 53 CYS ASN PRO CYS ALA CYS GLY ARG GLU GLY THR PRO SER SEQRES 3 A 53 GLY ARG ALA ASN ARG ARG ALA ASN CYS SER CYS GLY ALA SEQRES 4 A 53 ALA CYS ASN CYS ALA SER CYS GLY SER ALA THR ALA PRO SEQRES 5 A 53 GLY HET ZN A 130 1 HET ZN A 150 1 HET ZN A 170 1 HET ZN A 190 1 HETNAM ZN ZINC ION FORMUL 2 ZN 4(ZN 2+) HELIX 1 1 CYS A 73 SER A 78 1 6 LINK ND1 HIS A 33 ZN ZN A 130 1555 1555 2.02 LINK SG CYS A 36 ZN ZN A 150 1555 1555 2.40 LINK SG CYS A 36 ZN ZN A 170 1555 1555 2.27 LINK SG CYS A 38 ZN ZN A 150 1555 1555 2.33 LINK NE2 HIS A 41 ZN ZN A 130 1555 1555 1.95 LINK SG CYS A 42 ZN ZN A 190 1555 1555 2.37 LINK SG CYS A 44 ZN ZN A 170 1555 1555 2.27 LINK SG CYS A 47 ZN ZN A 130 1555 1555 2.36 LINK SG CYS A 49 ZN ZN A 130 1555 1555 2.35 LINK SG CYS A 65 ZN ZN A 190 1555 1555 2.30 LINK SG CYS A 67 ZN ZN A 150 1555 1555 2.24 LINK SG CYS A 67 ZN ZN A 190 1555 1555 2.33 LINK SG CYS A 71 ZN ZN A 150 1555 1555 2.31 LINK SG CYS A 73 ZN ZN A 170 1555 1555 2.37 LINK SG CYS A 76 ZN ZN A 190 1555 1555 2.24 LINK SG CYS A 76 ZN ZN A 170 1555 1555 2.28 SITE 1 AC1 4 HIS A 33 HIS A 41 ALA A 48 CYS A 49 SITE 1 AC2 6 CYS A 36 CYS A 38 GLU A 40 CYS A 42 SITE 2 AC2 6 CYS A 44 ALA A 69 SITE 1 AC3 5 CYS A 36 CYS A 38 CYS A 42 CYS A 44 SITE 2 AC3 5 CYS A 71 SITE 1 AC4 6 CYS A 36 CYS A 38 GLU A 40 CYS A 42 SITE 2 AC4 6 CYS A 44 CYS A 71 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