PDB Short entry for 1AVN HEADER LYASE 17-SEP-97 1AVN TITLE HUMAN CARBONIC ANHYDRASE II COMPLEXED WITH THE HISTAMINE ACTIVATOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE II; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HCA II; COMPND 5 EC: 4.2.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: COMPLEX WITH HISTAMINE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL_LINE: BL21; SOURCE 6 CELL: ERYTHROCYTES; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PACA/HCA II KEYWDS LYASE, OXO-ACID EXPDTA X-RAY DIFFRACTION AUTHOR F.BRIGANTI,S.MANGANI,P.ORIOLI,A.SCOZZAFAVA,G.VERNAGLIONE,C.T.SUPURAN REVDAT 5 07-FEB-24 1AVN 1 REMARK LINK REVDAT 4 04-APR-18 1AVN 1 REMARK REVDAT 3 29-NOV-17 1AVN 1 REMARK HELIX REVDAT 2 24-FEB-09 1AVN 1 VERSN REVDAT 1 24-DEC-97 1AVN 0 JRNL AUTH F.BRIGANTI,S.MANGANI,P.ORIOLI,A.SCOZZAFAVA,G.VERNAGLIONE, JRNL AUTH 2 C.T.SUPURAN JRNL TITL CARBONIC ANHYDRASE ACTIVATORS: X-RAY CRYSTALLOGRAPHIC AND JRNL TITL 2 SPECTROSCOPIC INVESTIGATIONS FOR THE INTERACTION OF ISOZYMES JRNL TITL 3 I AND II WITH HISTAMINE. JRNL REF BIOCHEMISTRY V. 36 10384 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9265618 JRNL DOI 10.1021/BI970760V REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CCP4 REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 80.6 REMARK 3 NUMBER OF REFLECTIONS : 14464 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.154 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) : 0.1540 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) : 14464 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2038 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.90 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) : 0.15 REMARK 3 ESD FROM SIGMAA (A) : 0.15 REMARK 3 LOW RESOLUTION CUTOFF (A) : 30.0 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.018 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.056 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.080 ; 0.050 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) : 0.174 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.177 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.183 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.211 ; 0.300 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) : 6.300 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 17.900; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 29.500; 20.000 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 1AVN 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_1000171312. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NOV-96 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : MACSCIENCE M18X REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14777 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 30.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.0 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : 0.09000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 33.6100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.25 REMARK 200 COMPLETENESS FOR SHELL (%) : 73.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.06400 REMARK 200 R SYM FOR SHELL (I) : 0.17400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 10.70 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HCA II CRYSTALLIZED FROM 2.3 M REMARK 280 AMMONIUM SULFATE, 50MM TRIS-HCL, 3MM SODIUM AZIDE, PH 7.7 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 20.84500 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 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 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 HIS A 4 CB CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 14 CB CG CD OE1 OE2 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 HOH A 313 O HOH A 420 1.98 REMARK 500 OE2 GLU A 239 O HOH A 312 2.14 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 PRO A 30 CD PRO A 30 N 0.138 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 TRP A 16 O - C - N ANGL. DEV. = 9.9 DEGREES REMARK 500 ASP A 19 CB - CG - OD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 GLU A 26 CB - CG - CD ANGL. DEV. = 17.8 DEGREES REMARK 500 GLU A 26 OE1 - CD - OE2 ANGL. DEV. = -10.4 DEGREES REMARK 500 ARG A 27 NE - CZ - NH1 ANGL. DEV. = 6.6 DEGREES REMARK 500 ARG A 27 NE - CZ - NH2 ANGL. DEV. = -5.4 DEGREES REMARK 500 SER A 29 CA - C - O ANGL. DEV. = -15.0 DEGREES REMARK 500 SER A 29 CA - C - N ANGL. DEV. = -23.6 DEGREES REMARK 500 SER A 29 O - C - N ANGL. DEV. = 39.4 DEGREES REMARK 500 PRO A 30 C - N - CA ANGL. DEV. = 55.6 DEGREES REMARK 500 PRO A 30 C - N - CD ANGL. DEV. = -39.3 DEGREES REMARK 500 PRO A 30 CA - N - CD ANGL. DEV. = -25.9 DEGREES REMARK 500 PRO A 30 N - CA - CB ANGL. DEV. = 24.4 DEGREES REMARK 500 PRO A 30 N - CD - CG ANGL. DEV. = 15.9 DEGREES REMARK 500 ASP A 34 CB - CG - OD1 ANGL. DEV. = 7.8 DEGREES REMARK 500 LYS A 39 CA - CB - CG ANGL. DEV. = 20.9 DEGREES REMARK 500 TYR A 40 CB - CG - CD2 ANGL. DEV. = 3.8 DEGREES REMARK 500 ASP A 41 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 SER A 43 CA - CB - OG ANGL. DEV. = 18.3 DEGREES REMARK 500 ASP A 52 CB - CG - OD1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ARG A 58 CD - NE - CZ ANGL. DEV. = 18.6 DEGREES REMARK 500 ARG A 58 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 PHE A 66 N - CA - CB ANGL. DEV. = 10.8 DEGREES REMARK 500 LYS A 76 C - N - CA ANGL. DEV. = 16.6 DEGREES REMARK 500 PRO A 83 N - CA - CB ANGL. DEV. = -7.7 DEGREES REMARK 500 PRO A 83 O - C - N ANGL. DEV. = -9.6 DEGREES REMARK 500 TYR A 88 CB - CG - CD2 ANGL. DEV. = -3.8 DEGREES REMARK 500 ASP A 101 CB - CG - OD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 LYS A 112 CB - CG - CD ANGL. DEV. = 15.9 DEGREES REMARK 500 TYR A 114 CB - CG - CD2 ANGL. DEV. = 3.7 DEGREES REMARK 500 LYS A 127 CA - CB - CG ANGL. DEV. = 14.9 DEGREES REMARK 500 TYR A 128 CB - CG - CD2 ANGL. DEV. = 4.2 DEGREES REMARK 500 ASP A 130 OD1 - CG - OD2 ANGL. DEV. = -18.9 DEGREES REMARK 500 ASP A 130 CB - CG - OD1 ANGL. DEV. = 7.0 DEGREES REMARK 500 ASP A 130 CB - CG - OD2 ANGL. DEV. = 12.0 DEGREES REMARK 500 ASP A 139 CB - CG - OD1 ANGL. DEV. = 8.4 DEGREES REMARK 500 ASP A 162 CB - CG - OD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 SER A 173 N - CA - CB ANGL. DEV. = 9.4 DEGREES REMARK 500 ASP A 175 CB - CG - OD1 ANGL. DEV. = 13.1 DEGREES REMARK 500 ASP A 175 CB - CG - OD2 ANGL. DEV. = -8.4 DEGREES REMARK 500 ARG A 182 NE - CZ - NH1 ANGL. DEV. = 6.7 DEGREES REMARK 500 GLU A 187 O - C - N ANGL. DEV. = -10.3 DEGREES REMARK 500 ASP A 190 CB - CG - OD1 ANGL. DEV. = 6.4 DEGREES REMARK 500 TYR A 191 CB - CG - CD2 ANGL. DEV. = 8.2 DEGREES REMARK 500 TYR A 194 CB - CG - CD1 ANGL. DEV. = 3.7 DEGREES REMARK 500 GLU A 221 OE1 - CD - OE2 ANGL. DEV. = -7.7 DEGREES REMARK 500 PHE A 226 CB - CG - CD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG A 227 NE - CZ - NH2 ANGL. DEV. = 6.6 DEGREES REMARK 500 LYS A 228 CB - CG - CD ANGL. DEV. = 20.0 DEGREES REMARK 500 GLN A 255 CA - CB - CG ANGL. DEV. = 20.3 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 PRO A 30 152.87 115.69 REMARK 500 LYS A 111 -0.84 80.92 REMARK 500 ASN A 244 42.50 -92.25 REMARK 500 LYS A 252 -131.18 53.20 REMARK 500 ASN A 253 46.66 -81.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 615 REMARK 615 ZERO OCCUPANCY ATOM REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 615 M RES C SSEQI REMARK 615 HOH A 301 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 HIS A 94 NE2 REMARK 620 2 HIS A 96 NE2 100.3 REMARK 620 3 HIS A 119 ND1 116.3 102.8 REMARK 620 4 AZI A 265 N2 109.6 134.3 94.1 REMARK 620 5 AZI A 265 N3 103.4 115.5 117.7 25.1 REMARK 620 6 HOH A 407 O 104.8 137.8 95.8 4.9 25.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HG A 263 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 137 O REMARK 620 2 GLU A 205 O 94.2 REMARK 620 3 CYS A 206 SG 87.7 91.4 REMARK 620 4 HOH A 347 O 99.6 64.2 154.8 REMARK 620 5 HOH A 420 O 95.9 110.1 157.8 45.9 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ZN REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ZN SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 262 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 263 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AZI A 265 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HSM A 264 DBREF 1AVN A 2 261 UNP P00918 CAH2_HUMAN 1 259 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 HIS 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 HET HG A 263 1 HET AZI A 265 3 HET HSM A 264 8 HETNAM ZN ZINC ION HETNAM HG MERCURY (II) ION HETNAM AZI AZIDE ION HETNAM HSM HISTAMINE FORMUL 2 ZN ZN 2+ FORMUL 3 HG HG 2+ FORMUL 4 AZI N3 1- FORMUL 5 HSM C5 H9 N3 FORMUL 6 HOH *155(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 E1 PRO A 155 LEU A 157 5 3 HELIX 6 E2 GLN A 158 VAL A 163 1 6 HELIX 7 E3 LEU A 164 ILE A 167 5 4 HELIX 8 F PRO A 181 LEU A 184 5 4 HELIX 9 G SER A 220 PHE A 226 1 7 SHEET 1 B1A10 LYS A 39 TYR A 40 0 SHEET 2 B1A10 LYS A 257 ALA A 258 1 N ALA A 258 O LYS A 39 SHEET 3 B1A10 TYR A 191 GLY A 196 -1 N THR A 193 O LYS A 257 SHEET 4 B1A10 VAL A 207 LEU A 212 -1 N VAL A 211 O TRP A 192 SHEET 5 B1A10 LEU A 141 GLY A 151 1 O VAL A 143 N ILE A 210 SHEET 6 B1A10 ALA A 116 ASN A 124 -1 N LEU A 120 O LEU A 144 SHEET 7 B1A10 TYR A 88 TRP A 97 -1 O HIS A 94 N HIS A 119 SHEET 8 B1A10 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 9 B1A10 SER A 56 ASN A 61 -1 O ARG A 58 N GLU A 69 SHEET 10 B1A10 SER A 173 ASP A 175 -1 O SER A 173 N ILE A 59 SHEET 1 B1B 7 ILE A 216 SER A 219 0 SHEET 2 B1B 7 LEU A 141 GLY A 151 1 N GLY A 151 O VAL A 218 SHEET 3 B1B 7 ALA A 116 ASN A 124 -1 N LEU A 120 O LEU A 144 SHEET 4 B1B 7 TYR A 88 TRP A 97 -1 O HIS A 94 N HIS A 119 SHEET 5 B1B 7 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 6 B1B 7 SER A 56 ASN A 61 -1 O ARG A 58 N GLU A 69 SHEET 7 B1B 7 SER A 173 ASP A 175 -1 O SER A 173 N ILE A 59 SHEET 1 B2 2 LEU A 47 SER A 50 0 SHEET 2 B2 2 VAL A 78 GLY A 81 -1 N LYS A 80 O SER A 48 SHEET 1 B3 2 ASP A 32 ILE A 33 0 SHEET 2 B3 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 LINK NE2 HIS A 94 ZN ZN A 262 1555 1555 2.05 LINK NE2 HIS A 96 ZN ZN A 262 1555 1555 2.13 LINK ND1 HIS A 119 ZN ZN A 262 1555 1555 2.00 LINK O GLN A 137 HG HG A 263 1555 1555 3.13 LINK O GLU A 205 HG HG A 263 1555 1555 3.35 LINK SG CYS A 206 HG HG A 263 1555 1555 2.19 LINK ZN ZN A 262 N2 AZI A 265 1555 1555 2.70 LINK ZN ZN A 262 N3 AZI A 265 1555 1555 2.05 LINK ZN ZN A 262 O HOH A 407 1555 1555 2.46 LINK HG HG A 263 O HOH A 347 1555 1555 3.40 LINK HG HG A 263 O HOH A 420 1555 1555 3.14 CISPEP 1 PRO A 201 PRO A 202 0 3.99 SITE 1 ZN 3 HIS A 94 HIS A 96 HIS A 119 SITE 1 AC1 5 HIS A 94 HIS A 96 HIS A 119 AZI A 265 SITE 2 AC1 5 HOH A 407 SITE 1 AC2 3 GLN A 137 GLU A 205 CYS A 206 SITE 1 AC3 9 HIS A 94 HIS A 96 HIS A 119 LEU A 198 SITE 2 AC3 9 THR A 199 TRP A 209 ZN A 262 HOH A 392 SITE 3 AC3 9 HOH A 407 SITE 1 AC4 5 ASN A 62 HIS A 64 ASN A 67 GLN A 92 SITE 2 AC4 5 HOH A 396 CRYST1 42.610 41.690 72.780 90.00 104.24 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 0.023469 0.000000 0.005956 0.00000 SCALE2 0.000000 0.023987 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014176 0.00000