HEADER AMINOHYDROLASE 29-FEB-96 1FKW TITLE MURINE ADENOSINE DEAMINASE (D295E) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADENOSINE DEAMINASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.5.4.4; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: LIGANDED TO ZINC, PURINE RIBOSIDE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ZINC COFACTOR, TIM BARREL, AMINOHYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR D.K.WILSON,F.A.QUIOCHO REVDAT 4 07-FEB-24 1FKW 1 REMARK REVDAT 3 03-NOV-21 1FKW 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1FKW 1 VERSN REVDAT 1 01-AUG-96 1FKW 0 JRNL AUTH V.SIDERAKI,K.A.MOHAMEDALI,D.K.WILSON,Z.CHANG,R.E.KELLEMS, JRNL AUTH 2 F.A.QUIOCHO,F.B.RUDOLPH JRNL TITL PROBING THE FUNCTIONAL ROLE OF TWO CONSERVED ACTIVE SITE JRNL TITL 2 ASPARTATES IN MOUSE ADENOSINE DEAMINASE. JRNL REF BIOCHEMISTRY V. 35 7862 1996 JRNL REFN ISSN 0006-2960 JRNL PMID 8672487 JRNL DOI 10.1021/BI952920D REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.K.WILSON,F.A.QUIOCHO REMARK 1 TITL A PRE-TRANSITION-STATE MIMIC OF AN ENZYME: X-RAY STRUCTURE REMARK 1 TITL 2 OF ADENOSINE DEAMINASE WITH BOUND 1-DEAZAADENOSINE AND REMARK 1 TITL 3 ZINC-ACTIVATED WATER REMARK 1 REF BIOCHEMISTRY V. 32 1689 1993 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.K.WILSON,F.B.RUDOLPH,F.A.QUIOCHO REMARK 1 TITL ATOMIC STRUCTURE OF ADENOSINE DEAMINASE COMPLEXED WITH A REMARK 1 TITL 2 TRANSITION-STATE ANALOG: UNDERSTANDING CATALYSIS AND REMARK 1 TITL 3 IMMUNODEFICIENCY MUTATIONS REMARK 1 REF SCIENCE V. 252 1278 1991 REMARK 1 REFN ISSN 0036-8075 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 18210 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.176 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL 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 : 2791 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 69 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : NULL 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE "EFFECTOR" REGION (RESIDUES 40 - 67) IS INVISIBLE AND REMARK 3 DOMAIN III IS DISORDERED AND POORLY VISIBLE IN MAPS. REMARK 3 ASSIGNMENT OF SEQUENCE OF THE MODEL OF DOMAIN III IS VERY REMARK 3 UNCERTAIN (RESIDUES 400 - 475). REMARK 3 REMARK 3 TEMPERATURE FACTORS HAVE NOT BEEN REFINED AND SOLVENT REMARK 3 MOLECULES HAVE NOT BEEN INCLUDED. REMARK 4 REMARK 4 1FKW 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_1000173324. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-SEP-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : XUONG-HAMLIN MULTIWIRE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SDMS DETECTOR SYSTEM (NIELSEN) REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24014 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 1.700 REMARK 200 R MERGE (I) : 0.05120 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -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 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 51.42000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.09000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 51.42000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 47.09000 REMARK 290 SMTRY3 4 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 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 GLN A 352 O 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 VAL A 98 CB - CA - C ANGL. DEV. = -12.6 DEGREES REMARK 500 ARG A 235 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 LEU A 325 CA - CB - CG ANGL. DEV. = 15.9 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 LEU A 56 -165.44 -121.24 REMARK 500 LEU A 106 0.43 -68.68 REMARK 500 ASN A 109 21.20 -141.51 REMARK 500 GLU A 121 134.94 -39.28 REMARK 500 TYR A 172 35.67 -95.58 REMARK 500 GLN A 174 -9.66 72.81 REMARK 500 THR A 176 -42.07 80.77 REMARK 500 LYS A 232 38.27 74.82 REMARK 500 HIS A 238 -89.21 82.39 REMARK 500 PRO A 274 0.75 -58.21 REMARK 500 GLU A 295 -66.77 69.32 REMARK 500 MET A 315 -3.45 86.54 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 400 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 15 NE2 REMARK 620 2 HIS A 17 NE2 124.0 REMARK 620 3 HIS A 214 NE2 89.3 103.4 REMARK 620 4 GLU A 295 OE2 107.9 113.8 116.3 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ZN REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PUR A 353 DBREF 1FKW A 4 352 UNP P03958 ADA_MOUSE 4 352 SEQADV 1FKW GLU A 295 UNP P03958 ASP 295 ENGINEERED MUTATION SEQRES 1 A 349 THR PRO ALA PHE ASN LYS PRO LYS VAL GLU LEU HIS VAL SEQRES 2 A 349 HIS LEU ASP GLY ALA ILE LYS PRO GLU THR ILE LEU TYR SEQRES 3 A 349 PHE GLY LYS LYS ARG GLY ILE ALA LEU PRO ALA ASP THR SEQRES 4 A 349 VAL GLU GLU LEU ARG ASN ILE ILE GLY MET ASP LYS PRO SEQRES 5 A 349 LEU SER LEU PRO GLY PHE LEU ALA LYS PHE ASP TYR TYR SEQRES 6 A 349 MET PRO VAL ILE ALA GLY CYS ARG GLU ALA ILE LYS ARG SEQRES 7 A 349 ILE ALA TYR GLU PHE VAL GLU MET LYS ALA LYS GLU GLY SEQRES 8 A 349 VAL VAL TYR VAL GLU VAL ARG TYR SER PRO HIS LEU LEU SEQRES 9 A 349 ALA ASN SER LYS VAL ASP PRO MET PRO TRP ASN GLN THR SEQRES 10 A 349 GLU GLY ASP VAL THR PRO ASP ASP VAL VAL ASP LEU VAL SEQRES 11 A 349 ASN GLN GLY LEU GLN GLU GLY GLU GLN ALA PHE GLY ILE SEQRES 12 A 349 LYS VAL ARG SER ILE LEU CYS CYS MET ARG HIS GLN PRO SEQRES 13 A 349 SER TRP SER LEU GLU VAL LEU GLU LEU CYS LYS LYS TYR SEQRES 14 A 349 ASN GLN LYS THR VAL VAL ALA MET ASP LEU ALA GLY ASP SEQRES 15 A 349 GLU THR ILE GLU GLY SER SER LEU PHE PRO GLY HIS VAL SEQRES 16 A 349 GLU ALA TYR GLU GLY ALA VAL LYS ASN GLY ILE HIS ARG SEQRES 17 A 349 THR VAL HIS ALA GLY GLU VAL GLY SER PRO GLU VAL VAL SEQRES 18 A 349 ARG GLU ALA VAL ASP ILE LEU LYS THR GLU ARG VAL GLY SEQRES 19 A 349 HIS GLY TYR HIS THR ILE GLU ASP GLU ALA LEU TYR ASN SEQRES 20 A 349 ARG LEU LEU LYS GLU ASN MET HIS PHE GLU VAL CYS PRO SEQRES 21 A 349 TRP SER SER TYR LEU THR GLY ALA TRP ASP PRO LYS THR SEQRES 22 A 349 THR HIS ALA VAL VAL ARG PHE LYS ASN ASP LYS ALA ASN SEQRES 23 A 349 TYR SER LEU ASN THR GLU ASP PRO LEU ILE PHE LYS SER SEQRES 24 A 349 THR LEU ASP THR ASP TYR GLN MET THR LYS LYS ASP MET SEQRES 25 A 349 GLY PHE THR GLU GLU GLU PHE LYS ARG LEU ASN ILE ASN SEQRES 26 A 349 ALA ALA LYS SER SER PHE LEU PRO GLU GLU GLU LYS LYS SEQRES 27 A 349 GLU LEU LEU GLU ARG LEU TYR ARG GLU TYR GLN HET ZN A 400 1 HET PUR A 353 18 HETNAM ZN ZINC ION HETNAM PUR PURINE RIBOSIDE FORMUL 2 ZN ZN 2+ FORMUL 3 PUR C10 H13 N4 O4 1+ FORMUL 4 HOH *69(H2 O) HELIX 1 1 LEU A 18 GLY A 20 5 3 HELIX 2 2 PRO A 24 ARG A 34 1 11 HELIX 3 3 VAL A 43 ILE A 50 1 8 HELIX 4 4 LEU A 58 ILE A 72 1 15 HELIX 5 5 ARG A 76 GLU A 93 1 18 HELIX 6 6 HIS A 105 LEU A 107 5 3 HELIX 7 7 PRO A 116 ASN A 118 5 3 HELIX 8 8 PRO A 126 PHE A 144 1 19 HELIX 9 9 SER A 162 LYS A 171 1 10 HELIX 10 10 SER A 191 LEU A 193 5 3 HELIX 11 11 PRO A 195 LYS A 206 1 12 HELIX 12 12 PRO A 221 ASP A 229 1 9 HELIX 13 13 TYR A 240 GLU A 244 5 5 HELIX 14 14 GLU A 246 GLU A 255 1 10 HELIX 15 15 PRO A 263 LEU A 268 1 6 HELIX 16 16 ALA A 279 ASN A 285 1 7 HELIX 17 17 PRO A 297 PHE A 300 1 4 HELIX 18 18 LEU A 304 LYS A 313 1 10 HELIX 19 19 GLU A 319 LYS A 331 1 13 HELIX 20 20 GLU A 337 GLU A 350 1 14 SHEET 1 A 4 LYS A 11 GLU A 13 0 SHEET 2 A 4 VAL A 95 TYR A 102 1 N VAL A 96 O LYS A 11 SHEET 3 A 4 LYS A 147 MET A 155 1 N LYS A 147 O VAL A 98 SHEET 4 A 4 VAL A 177 ALA A 183 1 N VAL A 178 O SER A 150 SHEET 1 B 4 THR A 212 ALA A 215 0 SHEET 2 B 4 ARG A 235 HIS A 238 1 N ARG A 235 O VAL A 213 SHEET 3 B 4 HIS A 258 VAL A 261 1 N HIS A 258 O VAL A 236 SHEET 4 B 4 ASN A 289 LEU A 292 1 N ASN A 289 O PHE A 259 LINK NE2 HIS A 15 ZN ZN A 400 1555 1555 2.44 LINK NE2 HIS A 17 ZN ZN A 400 1555 1555 2.21 LINK NE2 HIS A 214 ZN ZN A 400 1555 1555 2.08 LINK OE2 GLU A 295 ZN ZN A 400 1555 1555 1.91 CISPEP 1 ASP A 113 PRO A 114 0 0.17 SITE 1 ZN 3 HIS A 17 HIS A 214 GLU A 295 SITE 1 AC1 4 HIS A 15 HIS A 17 HIS A 214 GLU A 295 SITE 1 AC2 12 HIS A 17 ASP A 19 PHE A 61 PHE A 65 SITE 2 AC2 12 TYR A 102 SER A 103 LEU A 106 ALA A 183 SITE 3 AC2 12 GLY A 184 GLU A 295 ASP A 296 HOH A 437 CRYST1 102.840 94.180 73.240 90.00 127.37 90.00 C 1 2 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 0.009724 0.000000 0.007426 0.00000 SCALE2 0.000000 0.010618 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017180 0.00000