PDB Short entry for 1CIT HEADER TRANSCRIPTION/DNA 05-APR-99 1CIT TITLE DNA-BINDING MECHANISM OF THE MONOMERIC ORPHAN NUCLEAR RECEPTOR NGFI-B COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*CP*GP*AP*AP*AP*AP*GP*GP*TP*CP*AP*TP*GP*CP*G)- COMPND 3 3'); COMPND 4 CHAIN: B; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (5'-D(*CP*GP*CP*AP*TP*GP*AP*CP*CP*TP*TP*TP*TP*CP*GP*G)- COMPND 8 3'); COMPND 9 CHAIN: C; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: PROTEIN (ORPHAN NUCLEAR RECEPTOR NGFI-B); COMPND 13 CHAIN: A; COMPND 14 FRAGMENT: DNA-BINDING DOMAIN AND C-TERMINAL EXTENSION; COMPND 15 SYNONYM: NGFI-B; COMPND 16 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: RATTUS NORVEGICUS; SOURCE 7 ORGANISM_COMMON: NORWAY RAT; SOURCE 8 ORGANISM_TAXID: 10116; SOURCE 9 ORGAN: BRAIN; SOURCE 10 CELLULAR_LOCATION: NUCLEUS; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 12 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 13 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 14 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS ORPHAN NUCLEAR RECEPTOR, EARLY IMMEDIATE RESPONSE GENE PRODUCT, KEYWDS 2 TRANSCRIPTION FACTOR, MONOMERIC PROTEIN-DNA COMPLEX, MINOR GROOVE KEYWDS 3 INTERACTIONS, PROTEIN/DNA, TRANSCRIPTION-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR G.MEINKE,P.B.SIGLER REVDAT 4 09-AUG-23 1CIT 1 REMARK REVDAT 3 24-FEB-09 1CIT 1 VERSN REVDAT 2 26-JUN-00 1CIT 1 CRYST1 HEADER DBREF REVDAT 1 03-MAY-99 1CIT 0 JRNL AUTH G.MEINKE,P.B.SIGLER JRNL TITL DNA-BINDING MECHANISM OF THE MONOMERIC ORPHAN NUCLEAR JRNL TITL 2 RECEPTOR NGFI-B. JRNL REF NAT.STRUCT.BIOL. V. 6 471 1999 JRNL REFN ISSN 1072-8368 JRNL PMID 10331876 JRNL DOI 10.1038/8276 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.5 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 18.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 5200 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 SET) : 0.219 REMARK 3 FREE R VALUE : 0.295 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.900 REMARK 3 FREE R VALUE TEST SET COUNT : 568 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 787 REMARK 3 BIN R VALUE (WORKING SET) : 0.3500 REMARK 3 BIN FREE R VALUE : 0.4200 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 97 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.040 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 690 REMARK 3 NUCLEIC ACID ATOMS : 650 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 38 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 80.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.35 REMARK 3 ESD FROM SIGMAA (A) : 0.51 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.45 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.51 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 2.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.780 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.060 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.830 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.360 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.340 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.29 REMARK 3 BSOL : 27.00 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1CIT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-APR-99. REMARK 100 THE DEPOSITION ID IS D_1000000786. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5200 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 18.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 2.300 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.36800 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MLPHARE, X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1HCQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN/DNA COMPLEX CRYSTALS WERE REMARK 280 GROWN USING THE VAPOR DIFFUSION METHOD AT 27 DEGREES CELSIUS. REMARK 280 THE RESEVOIR CONTAINS 50 MM MORPHOLINO-SULFONIC ACID PH7.0, REMARK 280 250MM AMMONIUM CHLORIDE, 30 % PEG 4000, 5 MM DTT. THE DROPS REMARK 280 CONTAINED A 1:1 RATIO OF PROTEIN-COMPLEX TO RESEVOIR. 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 17.12000 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: 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 265 CG CD CE NZ REMARK 470 LYS A 317 CG CD CE NZ REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 DG B 417 O5' C5' C4' O4' C3' C2' C1' REMARK 480 DC C 419 O5' C5' C4' O4' C3' C2' C1' REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 GLY A 251 O HOH A 9 2.17 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 VAL A 234 -62.52 -107.49 REMARK 500 ASP A 237 -176.92 -57.83 REMARK 500 ARG A 247 103.27 -56.84 REMARK 500 LYS A 253 -70.48 -46.35 REMARK 500 ALA A 270 -122.22 -83.30 REMARK 500 ASP A 273 25.65 -152.59 REMARK 500 ASP A 305 -132.36 48.86 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 DA B 408 0.07 SIDE CHAIN REMARK 500 TYR A 244 0.06 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 398 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 232 SG REMARK 620 2 CYS A 235 SG 109.6 REMARK 620 3 CYS A 249 SG 99.9 106.3 REMARK 620 4 CYS A 252 SG 105.7 127.1 104.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 399 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 268 SG REMARK 620 2 CYS A 274 SG 103.8 REMARK 620 3 CYS A 284 SG 128.4 110.3 REMARK 620 4 CYS A 287 SG 112.3 95.3 101.9 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ZNA REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ZINC COORDINATED BY 4 CYSTEINES REMARK 800 REMARK 800 SITE_IDENTIFIER: ZNB REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ZINC COORDINATED BY 4 CYSTEINES REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 398 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 399 DBREF 1CIT A 230 318 UNP P22829 NR4A1_RAT 268 356 DBREF 1CIT B 402 417 PDB 1CIT 1CIT 402 417 DBREF 1CIT C 419 434 PDB 1CIT 1CIT 419 434 SEQRES 1 B 16 DC DC DG DA DA DA DA DG DG DT DC DA DT SEQRES 2 B 16 DG DC DG SEQRES 1 C 16 DC DG DC DA DT DG DA DC DC DT DT DT DT SEQRES 2 C 16 DC DG DG SEQRES 1 A 89 GLY ARG CYS ALA VAL CYS GLY ASP ASN ALA SER CYS GLN SEQRES 2 A 89 HIS TYR GLY VAL ARG THR CYS GLU GLY CYS LYS GLY PHE SEQRES 3 A 89 PHE LYS ARG THR VAL GLN LYS SER ALA LYS TYR ILE CYS SEQRES 4 A 89 LEU ALA ASN LYS ASP CYS PRO VAL ASP LYS ARG ARG ARG SEQRES 5 A 89 ASN ARG CYS GLN PHE CYS ARG PHE GLN LYS CYS LEU ALA SEQRES 6 A 89 VAL GLY MET VAL LYS GLU VAL VAL ARG THR ASP SER LEU SEQRES 7 A 89 LYS GLY ARG ARG GLY ARG LEU PRO SER LYS PRO HET ZN A 398 1 HET ZN A 399 1 HETNAM ZN ZINC ION FORMUL 4 ZN 2(ZN 2+) FORMUL 6 HOH *38(H2 O) HELIX 1 1 GLU A 250 LYS A 262 1 13 HELIX 2 2 GLN A 285 ALA A 294 1 10 HELIX 3 3 LYS A 299 VAL A 301 5 3 HELIX 4 4 ASP A 273 LEU A 307 5 35 SHEET 1 A 2 CYS A 241 HIS A 243 0 SHEET 2 A 2 VAL A 246 THR A 248 -1 N THR A 248 O CYS A 241 LINK SG CYS A 232 ZN ZN A 398 1555 1555 2.71 LINK SG CYS A 235 ZN ZN A 398 1555 1555 2.65 LINK SG CYS A 249 ZN ZN A 398 1555 1555 2.63 LINK SG CYS A 252 ZN ZN A 398 1555 1555 2.52 LINK SG CYS A 268 ZN ZN A 399 1555 1555 2.57 LINK SG CYS A 274 ZN ZN A 399 1555 1555 2.56 LINK SG CYS A 284 ZN ZN A 399 1555 1555 2.61 LINK SG CYS A 287 ZN ZN A 399 1555 1555 2.56 SITE 1 ZNA 5 ZN A 398 CYS A 232 CYS A 235 CYS A 249 SITE 2 ZNA 5 CYS A 252 SITE 1 ZNB 5 ZN A 399 CYS A 268 CYS A 274 CYS A 284 SITE 2 ZNB 5 CYS A 287 SITE 1 AC1 4 CYS A 232 CYS A 235 CYS A 249 CYS A 252 SITE 1 AC2 4 CYS A 268 CYS A 274 CYS A 284 CYS A 287 CRYST1 53.420 34.240 56.260 90.00 109.13 90.00 P 1 21 1 2 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 0.018720 0.000000 0.006493 0.00000 SCALE2 0.000000 0.029206 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018814 0.00000