HEADER ELECTRON TRANSPORT 25-NOV-25 9ZDI TITLE CRYSTAL STRUCTURE OF ZN-SUBSTITUTED RUBREDOXIN FROM HYPERTHERMOPHILIC TITLE 2 BACTERIUM THERMOTOGA MARITIMA MSB8 COMPND MOL_ID: 1; COMPND 2 MOLECULE: RUBREDOXIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA MSB8; SOURCE 3 ORGANISM_TAXID: 243274; SOURCE 4 GENE: TM_0659; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 866768 KEYWDS RUBREDOXIN, ELECTRON TRANSFER, HYPERTHERMOPHILIC, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR T.I.DOUKOV,D.GEORGE,F.E.JENNEY,S.P.CRAMER REVDAT 1 06-MAY-26 9ZDI 0 JRNL AUTH T.DOUKOV,T.F.TURPIN,D.GEORGE,C.COLE,K.DRUMRIGHT,M.RUMLEY, JRNL AUTH 2 R.BOYCE,F.E.JENNEY,S.P.CRAMER JRNL TITL CRYSTALLOGRAPHY OF EXTREMOPHILE PROTEINS-STRUCTURAL JRNL TITL 2 COMPARISONS OF PSYCHROPHILIC AND HYPERTHERMOPHILIC JRNL TITL 3 RUBREDOXINS JRNL REF BIOMOLECULES V. 16 623 2026 JRNL REFN ESSN 2218-273X JRNL DOI 10.3390/BIOM16050623 REMARK 2 REMARK 2 RESOLUTION. 1.02 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0430 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.02 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.27 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 79.1 REMARK 3 NUMBER OF REFLECTIONS : 32449 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.153 REMARK 3 R VALUE (WORKING SET) : 0.152 REMARK 3 FREE R VALUE : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1611 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.02 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 363 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 12.11 REMARK 3 BIN R VALUE (WORKING SET) : 0.2660 REMARK 3 BIN FREE R VALUE SET COUNT : 20 REMARK 3 BIN FREE R VALUE : 0.3180 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 816 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 108 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.45 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.86 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.72000 REMARK 3 B22 (A**2) : 0.53000 REMARK 3 B33 (A**2) : -0.10000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.42000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.034 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.035 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.027 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.249 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.971 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.959 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 897 ; 0.011 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 789 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1229 ; 1.953 ; 1.855 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1864 ; 0.690 ; 1.792 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 116 ; 5.612 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 4 ;23.223 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 142 ;11.869 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 117 ; 0.099 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1051 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 173 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 428 ; 3.336 ; 1.122 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 428 ; 3.323 ; 1.120 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 535 ; 4.733 ; 2.522 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 536 ; 4.746 ; 2.525 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 469 ; 5.424 ; 1.515 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 470 ; 5.419 ; 1.516 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 688 ; 7.158 ; 3.241 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1042 ;10.350 ;10.510 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1022 ; 9.953 ; 9.860 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1686 ; 4.243 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 52 REMARK 3 RESIDUE RANGE : A 101 A 101 REMARK 3 ORIGIN FOR THE GROUP (A): -6.500 5.859 13.378 REMARK 3 T TENSOR REMARK 3 T11: 0.0309 T22: 0.0127 REMARK 3 T33: 0.0210 T12: 0.0014 REMARK 3 T13: -0.0119 T23: -0.0065 REMARK 3 L TENSOR REMARK 3 L11: 3.2451 L22: 1.9087 REMARK 3 L33: 1.7493 L12: 0.6729 REMARK 3 L13: 0.3775 L23: -0.3474 REMARK 3 S TENSOR REMARK 3 S11: 0.0329 S12: 0.0318 S13: -0.2263 REMARK 3 S21: -0.0520 S22: 0.0180 S23: -0.0258 REMARK 3 S31: 0.1718 S32: 0.0022 S33: -0.0508 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 2 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 1 B 52 REMARK 3 RESIDUE RANGE : B 101 B 101 REMARK 3 ORIGIN FOR THE GROUP (A): 3.571 10.459 -0.704 REMARK 3 T TENSOR REMARK 3 T11: 0.0364 T22: 0.0038 REMARK 3 T33: 0.0255 T12: -0.0047 REMARK 3 T13: 0.0139 T23: 0.0003 REMARK 3 L TENSOR REMARK 3 L11: 1.4871 L22: 3.5767 REMARK 3 L33: 3.6248 L12: 0.6121 REMARK 3 L13: 0.1619 L23: -0.9243 REMARK 3 S TENSOR REMARK 3 S11: -0.0711 S12: 0.0299 S13: -0.1173 REMARK 3 S21: -0.2095 S22: -0.0217 S23: -0.0945 REMARK 3 S31: 0.1368 S32: -0.0376 S33: 0.0928 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 9ZDI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-DEC-25. REMARK 100 THE DEPOSITION ID IS D_1000302542. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-DEC-24 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.77488 REMARK 200 MONOCHROMATOR : SI111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34060 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.020 REMARK 200 RESOLUTION RANGE LOW (A) : 25.270 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.0 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.20500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.02 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.08 REMARK 200 COMPLETENESS FOR SHELL (%) : 50.5 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 REMARK 200 R MERGE FOR SHELL (I) : 3.13700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: HKL2MAP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 31.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION AGAINST 4.0M AMMONIUM REMARK 280 SULFATE, PH 8.5,, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 25.01500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLU A 53 REMARK 465 GLU B 53 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 ASP B 19 63.40 -150.06 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 5 0.28 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 101 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 6 SG REMARK 620 2 CYS A 9 SG 114.3 REMARK 620 3 CYS A 39 SG 112.4 102.8 REMARK 620 4 CYS A 42 SG 99.9 114.7 113.2 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 101 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 6 SG REMARK 620 2 CYS B 9 SG 113.4 REMARK 620 3 CYS B 39 SG 113.9 102.7 REMARK 620 4 CYS B 42 SG 99.9 116.2 111.2 REMARK 620 N 1 2 3 DBREF 9ZDI A 1 53 UNP Q9WZC7 Q9WZC7_THEMA 1 53 DBREF 9ZDI B 1 53 UNP Q9WZC7 Q9WZC7_THEMA 1 53 SEQRES 1 A 53 MET LYS LYS TYR ARG CYS LYS LEU CYS GLY TYR ILE TYR SEQRES 2 A 53 ASP PRO GLU GLN GLY ASP PRO ASP SER GLY ILE GLU PRO SEQRES 3 A 53 GLY THR PRO PHE GLU ASP LEU PRO ASP ASP TRP VAL CYS SEQRES 4 A 53 PRO LEU CYS GLY ALA SER LYS GLU ASP PHE GLU PRO VAL SEQRES 5 A 53 GLU SEQRES 1 B 53 MET LYS LYS TYR ARG CYS LYS LEU CYS GLY TYR ILE TYR SEQRES 2 B 53 ASP PRO GLU GLN GLY ASP PRO ASP SER GLY ILE GLU PRO SEQRES 3 B 53 GLY THR PRO PHE GLU ASP LEU PRO ASP ASP TRP VAL CYS SEQRES 4 B 53 PRO LEU CYS GLY ALA SER LYS GLU ASP PHE GLU PRO VAL SEQRES 5 B 53 GLU HET ZN A 101 1 HET ZN B 101 1 HETNAM ZN ZINC ION FORMUL 3 ZN 2(ZN 2+) FORMUL 5 HOH *108(H2 O) HELIX 1 AA1 ASP A 19 GLY A 23 5 5 HELIX 2 AA2 PRO A 29 LEU A 33 5 5 HELIX 3 AA3 SER A 45 GLU A 47 5 3 HELIX 4 AA4 ASP B 19 GLY B 23 5 5 HELIX 5 AA5 PRO B 29 LEU B 33 5 5 HELIX 6 AA6 SER B 45 GLU B 47 5 3 SHEET 1 AA1 3 ILE A 12 TYR A 13 0 SHEET 2 AA1 3 LYS A 3 CYS A 6 -1 N TYR A 4 O TYR A 13 SHEET 3 AA1 3 PHE A 49 VAL A 52 -1 O GLU A 50 N ARG A 5 SHEET 1 AA2 3 ILE B 12 TYR B 13 0 SHEET 2 AA2 3 TYR B 4 CYS B 6 -1 N TYR B 4 O TYR B 13 SHEET 3 AA2 3 PHE B 49 PRO B 51 -1 O GLU B 50 N ARG B 5 LINK SG CYS A 6 ZN ZN A 101 1555 1555 2.35 LINK SG CYS A 9 ZN ZN A 101 1555 1555 2.31 LINK SG CYS A 39 ZN ZN A 101 1555 1555 2.33 LINK SG CYS A 42 ZN ZN A 101 1555 1555 2.31 LINK SG CYS B 6 ZN ZN B 101 1555 1555 2.35 LINK SG CYS B 9 ZN ZN B 101 1555 1555 2.31 LINK SG CYS B 39 ZN ZN B 101 1555 1555 2.36 LINK SG CYS B 42 ZN ZN B 101 1555 1555 2.32 CRYST1 27.018 50.030 33.930 90.00 110.80 90.00 P 1 21 1 4 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 0.037012 0.000000 0.014059 0.00000 SCALE2 0.000000 0.019988 0.000000 0.00000 SCALE3 0.000000 0.000000 0.031527 0.00000 CONECT 63 855 CONECT 86 855 CONECT 326 855 CONECT 347 855 CONECT 493 856 CONECT 516 856 CONECT 750 856 CONECT 771 856 CONECT 855 63 86 326 347 CONECT 856 493 516 750 771 MASTER 329 0 2 6 6 0 0 6 926 2 10 10 END