PDB Short entry for 1CVC HEADER HYDROLASE 22-SEP-93 1CVC TITLE REDESIGNING THE ZINC BINDING SITE OF HUMAN CARBONIC ANHYDRASE II: TITLE 2 STRUCTURE OF A HIS2ASP-ZN2+ METAL COORDINATION POLYHEDRON COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE II; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606 KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.A.IPPOLITO,D.W.CHRISTIANSON REVDAT 4 07-FEB-24 1CVC 1 REMARK SEQADV LINK REVDAT 3 29-NOV-17 1CVC 1 HELIX REVDAT 2 24-FEB-09 1CVC 1 VERSN REVDAT 1 31-JAN-94 1CVC 0 JRNL AUTH L.L.KIEFER,J.A.IPPOLITO,C.A.FIERKE,D.W.CHRISTIANSON JRNL TITL REDESIGNING THE ZINC-BINDING SITE OF HUMAN CARBONIC JRNL TITL 2 ANHYDRASE-II - STRUCTURE OF A HIS2ASP-ZN2+ METAL JRNL TITL 3 COORDINATION POLYHEDRON. JRNL REF J.AM.CHEM.SOC. V. 115 12581 1993 JRNL REFN ISSN 0002-7863 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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 + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : NULL 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 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2027 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 112 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.014 ; NULL REMARK 3 ANGLE DISTANCE (A) : 2.600 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CVC 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_1000172557. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL 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 : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 20.85000 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: 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 400 REMARK 400 COMPOUND REMARK 400 SECONDARY STRUCTURE ELEMENTS WERE DEFINED USING THE PROGRAM REMARK 400 *DSSP* (W. KABSCH, C. SANDER, BIOPOLYMERS, V. 22, P. 2577, REMARK 400 1983). 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 SER A 2 REMARK 465 HIS A 3 REMARK 465 HIS A 4 REMARK 465 LYS A 261 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OD2 ASP A 162 O HOH A 320 2445 1.85 REMARK 500 CE LYS A 133 O HOH A 355 1565 2.10 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLU A 236 CD GLU A 236 OE1 -0.067 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 ASP A 19 CB - CG - OD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 ARG A 27 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 TYR A 51 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 TYR A 51 CB - CG - CD1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 58 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ASP A 72 CB - CG - OD2 ANGL. DEV. = 8.2 DEGREES REMARK 500 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG A 89 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 PHE A 93 N - CA - CB ANGL. DEV. = 11.0 DEGREES REMARK 500 LEU A 100 CA - CB - CG ANGL. DEV. = 14.9 DEGREES REMARK 500 ASP A 101 CB - CG - OD2 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP A 110 CB - CG - OD1 ANGL. DEV. = -6.7 DEGREES REMARK 500 ASP A 110 CB - CG - OD2 ANGL. DEV. = 13.6 DEGREES REMARK 500 ASP A 139 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 LEU A 141 O - C - N ANGL. DEV. = 9.9 DEGREES REMARK 500 ALA A 142 N - CA - CB ANGL. DEV. = 8.7 DEGREES REMARK 500 PHE A 147 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 TYR A 191 CB - CG - CD2 ANGL. DEV. = -4.0 DEGREES REMARK 500 TYR A 191 CB - CG - CD1 ANGL. DEV. = 4.9 DEGREES REMARK 500 LEU A 203 N - CA - CB ANGL. DEV. = -12.7 DEGREES REMARK 500 GLU A 214 CG - CD - OE2 ANGL. DEV. = 13.0 DEGREES REMARK 500 ARG A 227 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 GLU A 236 CG - CD - OE2 ANGL. DEV. = -13.6 DEGREES REMARK 500 GLU A 238 CG - CD - OE1 ANGL. DEV. = -15.1 DEGREES REMARK 500 GLU A 238 CG - CD - OE2 ANGL. DEV. = 14.6 DEGREES REMARK 500 ARG A 246 NE - CZ - NH1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ARG A 246 NE - CZ - NH2 ANGL. DEV. = -4.9 DEGREES REMARK 500 ARG A 254 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 ARG A 254 NE - CZ - NH2 ANGL. DEV. = -3.3 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 ALA A 65 -171.40 179.52 REMARK 500 VAL A 135 2.72 -68.21 REMARK 500 LEU A 203 37.09 38.56 REMARK 500 ASN A 244 49.47 -104.06 REMARK 500 ASN A 253 -42.67 91.95 REMARK 500 ARG A 254 156.25 -49.82 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 254 0.09 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 262 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 94 OD2 REMARK 620 2 HIS A 96 NE2 98.0 REMARK 620 3 HIS A 119 ND1 128.4 99.2 REMARK 620 4 HOH A 348 O 117.8 97.5 107.6 REMARK 620 5 HOH A 351 O 86.8 149.4 101.2 54.7 REMARK 620 N 1 2 3 4 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 262 DBREF 1CVC A 2 261 UNP P00918 CAH2_HUMAN 1 259 SEQADV 1CVC ASP A 94 UNP P00918 HIS 93 CONFLICT SEQRES 1 A 259 SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO GLU SEQRES 2 A 259 HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU ARG SEQRES 3 A 259 GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS TYR SEQRES 4 A 259 ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP GLN SEQRES 5 A 259 ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA PHE SEQRES 6 A 259 ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL LEU SEQRES 7 A 259 LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE GLN SEQRES 8 A 259 PHE ASP PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SER SEQRES 9 A 259 GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU LEU SEQRES 10 A 259 HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE GLY SEQRES 11 A 259 LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU GLY SEQRES 12 A 259 ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU GLN SEQRES 13 A 259 LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS GLY SEQRES 14 A 259 LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY LEU SEQRES 15 A 259 LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SER SEQRES 16 A 259 LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP ILE SEQRES 17 A 259 VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN VAL SEQRES 18 A 259 LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY GLU SEQRES 19 A 259 PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA GLN SEQRES 20 A 259 PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS HET ZN A 262 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *112(H2 O) HELIX 1 A PRO A 13 LYS A 18 5 6 HELIX 2 B PRO A 21 LYS A 24 5 4 HELIX 3 C THR A 125 TYR A 128 5 3 HELIX 4 D PHE A 131 ALA A 134 1 4 HELIX 5 E PRO A 155 ILE A 167 5158-163 RIGHT HANDED ALPHA 13 HELIX 6 F PRO A 181 LEU A 184 5 4 HELIX 7 G SER A 220 PHE A 226 1 7 SHEET 1 S10 SER A 173 ASP A 175 0 SHEET 2 S10 SER A 56 ASN A 61 -1 O ILE A 59 N ALA A 174 SHEET 3 S10 PHE A 66 PHE A 70 -1 O ASN A 67 N LEU A 60 SHEET 4 S10 TYR A 88 TRP A 97 -1 O PHE A 93 N VAL A 68 SHEET 5 S10 ALA A 116 ASN A 124 -1 O HIS A 119 N ASP A 94 SHEET 6 S10 LEU A 141 VAL A 150 -1 O LEU A 144 N LEU A 120 SHEET 7 S10 VAL A 207 LEU A 212 1 O ILE A 210 N GLY A 145 SHEET 8 S10 TYR A 191 GLY A 196 -1 O TRP A 192 N VAL A 211 SHEET 9 S10 LYS A 257 ALA A 258 -1 O LYS A 257 N THR A 193 SHEET 10 S10 LYS A 39 TYR A 40 1 O LYS A 39 N ALA A 258 LINK OD2 ASP A 94 ZN ZN A 262 1555 1555 2.08 LINK NE2 HIS A 96 ZN ZN A 262 1555 1555 2.38 LINK ND1 HIS A 119 ZN ZN A 262 1555 1555 2.18 LINK ZN ZN A 262 O HOH A 348 1555 1555 2.42 LINK ZN ZN A 262 O HOH A 351 1555 1555 2.61 CISPEP 1 SER A 29 PRO A 30 0 -3.16 CISPEP 2 PRO A 201 PRO A 202 0 3.70 SITE 1 AC1 5 ASP A 94 HIS A 96 HIS A 119 HOH A 348 SITE 2 AC1 5 HOH A 351 CRYST1 42.700 41.700 73.000 90.00 104.60 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 0.023419 0.000000 0.006100 0.00000 SCALE2 0.000000 0.023981 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014156 0.00000