PDB Short entry for 2IQ6 HEADER HYDROLASE 13-OCT-06 2IQ6 TITLE CRYSTAL STRUCTURE OF THE AMINOPEPTIDASE FROM VIBRIO PROTEOLYTICUS IN TITLE 2 COMPLEXATION WITH LEUCYL-LEUCYL-LEUCINE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIAL LEUCYL AMINOPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.11.10; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PEPTIDE, (LEUCYL-LEUCYL-LEUCINE); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO PROTEOLYTICUS; SOURCE 3 ORGANISM_TAXID: 671; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 7 ORGANISM_TAXID: 32630; SOURCE 8 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. KEYWDS AMINOPEPTIDASE, HYDROLASE, METALLOPROTEIN, METALLOHYDROLASE, KEYWDS 2 PEPTIDASE, METALLOPROTEINASE, ZINC, PROTEASE, EXOPEPTIDASE EXPDTA X-RAY DIFFRACTION AUTHOR A.KUMAR,B.NARAYANAN,J.-J.P.KIM,B.BENNETT REVDAT 4 30-AUG-23 2IQ6 1 REMARK LINK REVDAT 3 18-OCT-17 2IQ6 1 SOURCE REMARK REVDAT 2 24-FEB-09 2IQ6 1 VERSN REVDAT 1 28-AUG-07 2IQ6 0 JRNL AUTH A.KUMAR,G.R.PERIYANNAN,B.NARAYANAN,A.W.KITTELL,J.-J.KIM, JRNL AUTH 2 B.BENNETT JRNL TITL EXPERIMENTAL EVIDENCE FOR A METALLOHYDROLASE MECHANISM IN JRNL TITL 2 WHICH THE NUCLEOPHILE IS NOT DELIVERED BY A METAL ION: EPR JRNL TITL 3 SPECTROKINETIC AND STRUCTURAL STUDIES OF AMINOPEPTIDASE FROM JRNL TITL 4 VIBRIO PROTEOLYTICUS JRNL REF BIOCHEM.J. V. 403 527 2007 JRNL REFN ISSN 0264-6021 JRNL PMID 17238863 JRNL DOI 10.1042/BJ20061591 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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) (%) : 96.2 REMARK 3 NUMBER OF REFLECTIONS : 23236 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) : 0.206 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.500 REMARK 3 FREE R VALUE TEST SET COUNT : 2206 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.09 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2088 REMARK 3 BIN FREE R VALUE : 0.2450 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 264 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.099 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2236 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 259 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.56 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.18600 REMARK 3 B22 (A**2) : -2.18600 REMARK 3 B33 (A**2) : 4.37200 REMARK 3 B12 (A**2) : -2.75800 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) : 0.47 REMARK 3 ESD FROM SIGMAA (A) : 0.40 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) : 0.50 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.46 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.300 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) : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 54.59 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 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : 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 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2IQ6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-OCT-06. REMARK 100 THE DEPOSITION ID IS D_1000039879. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-MAY-05 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.0 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 : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : MIRROR REMARK 200 OPTICS : CONFOCAL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23236 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 22.60 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 12.3000 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) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.3 REMARK 200 DATA REDUNDANCY IN SHELL : 21.40 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.72400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1CP6 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: KSCN, NACL, TRIS, PH 8.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K, TRIS REPLACED BY HEPES REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 32.26667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 64.53333 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 48.40000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 80.66667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 16.13333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 32.26667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 64.53333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 80.66667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 48.40000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 16.13333 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 930 ANGSTROM**2 REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 GLU A 152 OXT LEU B 296 2.17 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 LEU B 295 C - N - CA ANGL. DEV. = 32.6 DEGREES REMARK 500 LEU B 295 CA - C - O ANGL. DEV. = -18.4 DEGREES REMARK 500 LEU B 295 CA - C - N ANGL. DEV. = 23.5 DEGREES REMARK 500 LEU B 295 O - C - N ANGL. DEV. = -15.5 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 ASP A 117 82.07 -64.58 REMARK 500 ASP A 118 -12.33 74.23 REMARK 500 LYS A 170 135.32 -39.59 REMARK 500 MET A 180 102.99 80.28 REMARK 500 SER A 246 -177.25 -174.30 REMARK 500 ASN A 252 112.77 -37.78 REMARK 500 SER A 265 -131.23 -105.10 REMARK 500 LEU B 295 -78.30 8.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LEU B 295 LEU B 296 -113.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 LEU B 295 30.81 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 293 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 97 NE2 REMARK 620 2 ASP A 117 OD1 95.2 REMARK 620 3 ASP A 179 OD1 104.5 98.1 REMARK 620 4 LEU B 294 O 97.6 106.9 144.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 292 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 117 OD2 REMARK 620 2 GLU A 152 OE2 97.9 REMARK 620 3 HIS A 256 NE2 91.0 100.2 REMARK 620 4 LEU B 294 O 106.5 91.9 157.2 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 292 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 293 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CP6 RELATED DB: PDB REMARK 900 RELATED ID: 1LOK RELATED DB: PDB REMARK 900 RELATED ID: 1IGB RELATED DB: PDB DBREF 2IQ6 A 1 291 UNP Q01693 AMPX_VIBPR 107 397 DBREF 2IQ6 B 294 296 PDB 2IQ6 2IQ6 294 296 SEQRES 1 A 291 MET PRO PRO ILE THR GLN GLN ALA THR VAL THR ALA TRP SEQRES 2 A 291 LEU PRO GLN VAL ASP ALA SER GLN ILE THR GLY THR ILE SEQRES 3 A 291 SER SER LEU GLU SER PHE THR ASN ARG PHE TYR THR THR SEQRES 4 A 291 THR SER GLY ALA GLN ALA SER ASP TRP ILE ALA SER GLU SEQRES 5 A 291 TRP GLN ALA LEU SER ALA SER LEU PRO ASN ALA SER VAL SEQRES 6 A 291 LYS GLN VAL SER HIS SER GLY TYR ASN GLN LYS SER VAL SEQRES 7 A 291 VAL MET THR ILE THR GLY SER GLU ALA PRO ASP GLU TRP SEQRES 8 A 291 ILE VAL ILE GLY GLY HIS LEU ASP SER THR ILE GLY SER SEQRES 9 A 291 HIS THR ASN GLU GLN SER VAL ALA PRO GLY ALA ASP ASP SEQRES 10 A 291 ASP ALA SER GLY ILE ALA ALA VAL THR GLU VAL ILE ARG SEQRES 11 A 291 VAL LEU SER GLU ASN ASN PHE GLN PRO LYS ARG SER ILE SEQRES 12 A 291 ALA PHE MET ALA TYR ALA ALA GLU GLU VAL GLY LEU ARG SEQRES 13 A 291 GLY SER GLN ASP LEU ALA ASN GLN TYR LYS SER GLU GLY SEQRES 14 A 291 LYS ASN VAL VAL SER ALA LEU GLN LEU ASP MET THR ASN SEQRES 15 A 291 TYR LYS GLY SER ALA GLN ASP VAL VAL PHE ILE THR ASP SEQRES 16 A 291 TYR THR ASP SER ASN PHE THR GLN TYR LEU THR GLN LEU SEQRES 17 A 291 MET ASP GLU TYR LEU PRO SER LEU THR TYR GLY PHE ASP SEQRES 18 A 291 THR CYS GLY TYR ALA CYS SER ASP HIS ALA SER TRP HIS SEQRES 19 A 291 ASN ALA GLY TYR PRO ALA ALA MET PRO PHE GLU SER LYS SEQRES 20 A 291 PHE ASN ASP TYR ASN PRO ARG ILE HIS THR THR GLN ASP SEQRES 21 A 291 THR LEU ALA ASN SER ASP PRO THR GLY SER HIS ALA LYS SEQRES 22 A 291 LYS PHE THR GLN LEU GLY LEU ALA TYR ALA ILE GLU MET SEQRES 23 A 291 GLY SER ALA THR GLY SEQRES 1 B 3 LEU LEU LEU HET ZN A 292 1 HET ZN A 293 1 HETNAM ZN ZINC ION FORMUL 3 ZN 2(ZN 2+) FORMUL 5 HOH *259(H2 O) HELIX 1 1 GLN A 6 LEU A 14 1 9 HELIX 2 2 PRO A 15 VAL A 17 5 3 HELIX 3 3 ASP A 18 SER A 31 1 14 HELIX 4 4 THR A 39 ALA A 58 1 20 HELIX 5 5 ASP A 118 ASN A 135 1 18 HELIX 6 6 ALA A 150 GLY A 154 5 5 HELIX 7 7 LEU A 155 GLU A 168 1 14 HELIX 8 8 ASP A 198 LEU A 213 1 16 HELIX 9 9 ASP A 229 ALA A 236 1 8 HELIX 10 10 GLY A 269 ALA A 289 1 21 SHEET 1 A 6 ALA A 63 HIS A 70 0 SHEET 2 A 6 TYR A 73 ILE A 82 -1 O VAL A 79 N LYS A 66 SHEET 3 A 6 ARG A 141 TYR A 148 -1 O PHE A 145 N MET A 80 SHEET 4 A 6 ALA A 87 HIS A 97 1 N ILE A 92 O ALA A 144 SHEET 5 A 6 ASN A 171 GLN A 177 1 O ASN A 171 N TRP A 91 SHEET 6 A 6 ALA A 240 ALA A 241 1 O ALA A 241 N GLN A 177 SHEET 1 B 3 TYR A 218 ASP A 221 0 SHEET 2 B 3 VAL A 190 ILE A 193 1 N PHE A 192 O GLY A 219 SHEET 3 B 3 PRO A 243 PHE A 244 -1 O PHE A 244 N VAL A 191 SSBOND 1 CYS A 223 CYS A 227 1555 1555 2.03 LINK NE2 HIS A 97 ZN ZN A 293 1555 1555 2.27 LINK OD2 ASP A 117 ZN ZN A 292 1555 1555 2.22 LINK OD1 ASP A 117 ZN ZN A 293 1555 1555 2.09 LINK OE2 GLU A 152 ZN ZN A 292 1555 1555 2.19 LINK OD1 ASP A 179 ZN ZN A 293 1555 1555 2.22 LINK NE2 HIS A 256 ZN ZN A 292 1555 1555 2.18 LINK ZN ZN A 292 O LEU B 294 1555 1555 2.35 LINK ZN ZN A 293 O LEU B 294 1555 1555 1.92 SITE 1 AC1 5 ASP A 117 GLU A 152 HIS A 256 ZN A 293 SITE 2 AC1 5 LEU B 294 SITE 1 AC2 6 HIS A 97 ASP A 117 ASP A 118 ASP A 179 SITE 2 AC2 6 ZN A 292 LEU B 294 CRYST1 108.400 108.400 96.800 90.00 90.00 120.00 P 61 2 2 12 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 0.009230 0.005330 0.000000 0.00000 SCALE2 0.000000 0.010650 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010330 0.00000