HEADER METAL BINDING PROTEIN 05-NOV-99 1DCQ TITLE CRYSTAL STRUCTURE OF THE ARF-GAP DOMAIN AND ANKYRIN REPEATS OF TITLE 2 PAPBETA. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYK2-ASSOCIATED PROTEIN BETA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: ARF-GAP DOMAIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 ORGAN: BRAIN; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS ZINC-BINDING MODULE, ANKYRIN REPEATS, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR V.MANDIYAN,J.ANDREEV,J.SCHLESSINGER,S.R.HUBBARD REVDAT 3 14-DEC-16 1DCQ 1 REMARK VERSN REVDAT 2 24-FEB-09 1DCQ 1 VERSN REVDAT 1 22-DEC-99 1DCQ 0 JRNL AUTH V.MANDIYAN,J.ANDREEV,J.SCHLESSINGER,S.R.HUBBARD JRNL TITL CRYSTAL STRUCTURE OF THE ARF-GAP DOMAIN AND ANKYRIN REPEATS JRNL TITL 2 OF PYK2-ASSOCIATED PROTEIN BETA. JRNL REF EMBO J. V. 18 6890 1999 JRNL REFN ISSN 0261-4189 JRNL PMID 10601011 JRNL DOI 10.1093/EMBOJ/18.24.6890 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.ANDREEV,J.P.SIMON,D.D.SABATINI,P.A.RANDAZZO,J.SCHLESSINGER REMARK 1 TITL IDENTIFICATION OF A NEW PYK2 TARGET PROTEIN WITH ARF-GAP REMARK 1 TITL 2 ACTIVITY. REMARK 1 REF MOL.CELL.BIOL. V. 19 2338 1999 REMARK 1 REFN ISSN 0270-7306 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 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) (%) : 96.5 REMARK 3 NUMBER OF REFLECTIONS : 16886 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.266 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1690 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.18 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2073 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 95 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.56600 REMARK 3 B22 (A**2) : 2.02500 REMARK 3 B33 (A**2) : 2.54100 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.460 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.530 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.450 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.240 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.210 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : CNS REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 44.20 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 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : MISC.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DCQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-NOV-99. REMARK 100 THE RCSB ID CODE IS RCSB009973. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-NOV-98 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 9.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9790 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 77917 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.10 REMARK 200 R MERGE FOR SHELL (I) : 0.11900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, 0.2 M SODIUM ACETATE, 0.1 M REMARK 280 TRIS-HCL (PH 9.5), 15% ETHYLENE GLYCOL, VAPOR DIFFUSION, HANGING REMARK 280 DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.90850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.90850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 36.96750 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 66.10400 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 36.96750 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 66.10400 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 29.90850 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 36.96750 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 66.10400 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 29.90850 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 36.96750 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 66.10400 REMARK 290 SMTRY3 8 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: 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 85 LIES ON A SPECIAL POSITION. 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 MET A 245 REMARK 465 GLU A 246 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 249 CG CD CE NZ REMARK 470 GLU A 293 CG CD OE1 OE2 REMARK 470 HIS A 297 CG ND1 CD2 CE1 NE2 REMARK 470 SER A 335 OG REMARK 470 GLU A 336 CG CD OE1 OE2 REMARK 470 ASP A 337 CG OD1 OD2 REMARK 470 ARG A 365 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 380 CG CD OE1 OE2 REMARK 470 LYS A 403 CG CD CE NZ REMARK 470 ASN A 408 CG OD1 ND2 REMARK 470 LYS A 472 CD CE NZ REMARK 470 SER A 481 OG REMARK 470 LYS A 490 CG CD CE NZ REMARK 470 LYS A 493 CG CD CE NZ REMARK 470 GLU A 495 CG CD OE1 OE2 REMARK 470 GLU A 499 CG CD OE1 OE2 REMARK 470 ARG A 508 CG CD NE CZ NH1 NH2 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 ILE A 320 -85.46 -110.99 REMARK 500 CYS A 332 41.53 -108.82 REMARK 500 SER A 335 -86.68 -72.61 REMARK 500 PRO A 338 74.91 -53.48 REMARK 500 ASP A 370 164.41 67.08 REMARK 500 THR A 371 -83.76 4.72 REMARK 500 PRO A 405 66.64 -67.87 REMARK 500 SER A 511 -75.51 -82.99 REMARK 500 LEU A 521 75.80 -108.92 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 600 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 287 SG REMARK 620 2 CYS A 264 SG 108.3 REMARK 620 3 CYS A 267 SG 114.4 109.3 REMARK 620 4 CYS A 284 SG 98.3 115.2 111.1 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 600 DBREF 1DCQ A 246 522 UNP Q7SIG6 DDEF2_MOUSE 421 697 SEQRES 1 A 278 MET GLU LEU THR LYS GLU ILE ILE SER GLU VAL GLN ARG SEQRES 2 A 278 MET THR GLY ASN ASP VAL CYS CYS ASP CYS GLY ALA PRO SEQRES 3 A 278 ASP PRO THR TRP LEU SER THR ASN LEU GLY ILE LEU THR SEQRES 4 A 278 CYS ILE GLU CYS SER GLY ILE HIS ARG GLU LEU GLY VAL SEQRES 5 A 278 HIS TYR SER ARG MET GLN SER LEU THR LEU ASP VAL LEU SEQRES 6 A 278 GLY THR SER GLU LEU LEU LEU ALA LYS ASN ILE GLY ASN SEQRES 7 A 278 ALA GLY PHE ASN GLU ILE MET GLU CYS CYS LEU PRO SER SEQRES 8 A 278 GLU ASP PRO VAL LYS PRO ASN PRO GLY SER ASP MET ILE SEQRES 9 A 278 ALA ARG LYS ASP TYR ILE THR ALA LYS TYR MET GLU ARG SEQRES 10 A 278 ARG TYR ALA ARG LYS LYS HIS ALA ASP THR ALA ALA LYS SEQRES 11 A 278 LEU HIS SER LEU CYS GLU ALA VAL LYS THR ARG ASP ILE SEQRES 12 A 278 PHE GLY LEU LEU GLN ALA TYR ALA ASP GLY VAL ASP LEU SEQRES 13 A 278 THR GLU LYS ILE PRO LEU ALA ASN GLY HIS GLU PRO ASP SEQRES 14 A 278 GLU THR ALA LEU HIS LEU ALA VAL ARG SER VAL ASP ARG SEQRES 15 A 278 THR SER LEU HIS ILE VAL ASP PHE LEU VAL GLN ASN SER SEQRES 16 A 278 GLY ASN LEU ASP LYS GLN THR GLY LYS GLY SER THR ALA SEQRES 17 A 278 LEU HIS TYR CYS CYS LEU THR ASP ASN ALA GLU CYS LEU SEQRES 18 A 278 LYS LEU LEU LEU ARG GLY LYS ALA SER ILE GLU ILE ALA SEQRES 19 A 278 ASN GLU SER GLY GLU THR PRO LEU ASP ILE ALA LYS ARG SEQRES 20 A 278 LEU LYS HIS GLU HIS CYS GLU GLU LEU LEU THR GLN ALA SEQRES 21 A 278 LEU SER GLY ARG PHE ASN SER HIS VAL HIS VAL GLU TYR SEQRES 22 A 278 GLU TRP ARG LEU LEU HET ZN A 600 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *95(H2 O) HELIX 1 1 LEU A 247 MET A 258 1 12 HELIX 2 2 CYS A 284 GLY A 295 1 12 HELIX 3 3 GLY A 310 GLU A 313 5 4 HELIX 4 4 LEU A 314 ILE A 320 1 7 HELIX 5 5 GLY A 321 GLU A 330 1 10 HELIX 6 6 ASP A 346 MET A 359 1 14 HELIX 7 7 ASP A 370 THR A 384 1 15 HELIX 8 8 ASP A 386 ASP A 396 1 11 HELIX 9 9 THR A 415 VAL A 424 1 10 HELIX 10 10 SER A 428 SER A 439 1 12 HELIX 11 11 THR A 451 THR A 459 1 9 HELIX 12 12 ASN A 461 GLY A 471 1 11 HELIX 13 13 THR A 484 LEU A 492 1 9 HELIX 14 14 HIS A 494 SER A 506 1 13 SHEET 1 A 3 LEU A 282 THR A 283 0 SHEET 2 A 3 TRP A 274 SER A 276 -1 O TRP A 274 N THR A 283 SHEET 3 A 3 MET A 301 SER A 303 -1 O GLN A 302 N LEU A 275 SSBOND 1 CYS A 332 CYS A 332 1555 3555 2.41 LINK ZN ZN A 600 SG CYS A 287 1555 1555 2.23 LINK ZN ZN A 600 SG CYS A 264 1555 1555 2.35 LINK ZN ZN A 600 SG CYS A 267 1555 1555 2.34 LINK ZN ZN A 600 SG CYS A 284 1555 1555 2.39 SITE 1 AC1 5 CYS A 264 CYS A 267 CYS A 284 CYS A 287 SITE 2 AC1 5 ARG A 350 CRYST1 73.935 132.208 59.817 90.00 90.00 90.00 C 2 2 21 8 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 0.013525 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007564 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016718 0.00000