PDB Short entry for 1I6O HEADER LYASE 02-MAR-01 1I6O TITLE CRYSTAL STRUCTURE OF E. COLI BETA CARBONIC ANHYDRASE (ECCA) COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 4.2.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: YADF; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET3A KEYWDS CARBONIC ANHYDRASE, METALLOENZYME, ZINC COORDINATION, PH-DEPENDENT KEYWDS 2 ACTIVITY, MAD PHASING, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR J.D.CRONK,J.A.ENDRIZZI,M.R.CRONK,J.W.O'NEILL,K.Y.J.ZHANG REVDAT 4 13-JUL-11 1I6O 1 VERSN REVDAT 3 24-FEB-09 1I6O 1 VERSN REVDAT 2 01-APR-03 1I6O 1 JRNL REVDAT 1 09-MAY-01 1I6O 0 JRNL AUTH J.D.CRONK,J.A.ENDRIZZI,M.R.CRONK,J.W.O'NEILL,K.Y.ZHANG JRNL TITL CRYSTAL STRUCTURE OF E. COLI BETA-CARBONIC ANHYDRASE, AN JRNL TITL 2 ENZYME WITH AN UNUSUAL PH-DEPENDENT ACTIVITY. JRNL REF PROTEIN SCI. V. 10 911 2001 JRNL REFN ISSN 0961-8368 JRNL PMID 11316870 JRNL DOI 10.1110/PS.46301 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.D.CRONK,J.W.O'NEILL,M.R.CRONK,J.A.ENDRIZZI,K.Y.J.ZHANG REMARK 1 TITL CLONING, CRYSTALLIZATION AND PRELIMINARY CHARACTERIZATION OF REMARK 1 TITL 2 A BETA CARBONIC ANHYDRASE FROM ESCHERICHIA COLI REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 52 1176 2000 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444900008519 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.36 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2423088.660 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 28191 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) : 0.212 REMARK 3 FREE R VALUE : 0.243 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2848 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.34 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4083 REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 REMARK 3 BIN FREE R VALUE : 0.2650 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 476 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.012 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3421 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 87 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.85000 REMARK 3 B22 (A**2) : 4.85000 REMARK 3 B33 (A**2) : -9.70000 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) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.16 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) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.18 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.10 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.67 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 : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 46.96 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_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP 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 1I6O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 99 REMARK 99 DENSITY FOR THE FOLLOWING ATOMS WITHIN THE MAIN CHAIN REMARK 99 IS RELATIVELY WEAK AND LIKELY REFLECTS INCREASED LOCAL REMARK 99 CONFORMATIONAL FLEXIBILITY OF THE MAIN CHAIN IN THIS REMARK 99 REGION. REMARK 99 ALA A 32 CA REMARK 99 GLN B 31 C REMARK 99 GLN B 31 O REMARK 99 ALA B 32 CA REMARK 99 ALA B 32 O REMARK 99 REMARK 99 DENSITY FOR THE SIDE CHAINS OF THE LISTED RESIDUES IS REMARK 99 RELATIVELY POORLY DEFINED. THE MODEL REPRESENTS REMARK 99 THE MOST PROBABLE CONFORMATIONS FOR THESE RESIDUES REMARK 99 BASED ON THE OBSERVED DENSITY. REMARK 99 LYS A 16 REMARK 99 GLU A 27 REMARK 99 LYS A 28 REMARK 99 GLN A 31 REMARK 99 ARG A 36 REMARK 99 GLN A 139 REMARK 99 GLU A 140 REMARK 99 ARG A 198 REMARK 99 GLU A 199 REMARK 99 LYS A 213 REMARK 99 LEU A 214 REMARK 99 LYS A 215 REMARK 99 LYS B 2 REMARK 99 LEU B 13 REMARK 99 LYS B 16 REMARK 99 GLU B 20 REMARK 99 GLU B 21 REMARK 99 LYS B 28 REMARK 99 ARG B 36 REMARK 99 GLU B 140 REMARK 99 ARG B 141 REMARK 99 LYS B 173 REMARK 99 ARG B 206 REMARK 99 ASN B 211 REMARK 99 LEU B 212 REMARK 99 LYS B 213 REMARK 99 LEU B 214 REMARK 99 LYS B 215 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-MAR-01. REMARK 100 THE RCSB ID CODE IS RCSB012971. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-NOV-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.96112,0.97950,0.97970,1.07812, REMARK 200 1.28109 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 237761 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.130 REMARK 200 RESOLUTION RANGE LOW (A) : 45.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 7.700 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 25.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.13 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.25 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.5 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : 0.25500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD 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 (%): 51.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PEG 400, MES PH 6.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 2 2 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 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z+1/2 REMARK 290 7555 Y,X,-Z+1/4 REMARK 290 8555 -Y,-X,-Z+3/4 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 81.06850 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 121.60275 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 40.53425 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 81.06850 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 40.53425 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 121.60275 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 15040 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33700 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -97.0 KCAL/MOL 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 81.06850 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 MSE A 1 REMARK 465 LYS A 2 REMARK 465 HIS A 216 REMARK 465 ALA A 217 REMARK 465 ASN A 218 REMARK 465 HIS A 219 REMARK 465 LYS A 220 REMARK 465 MSE B 1 REMARK 465 HIS B 216 REMARK 465 ALA B 217 REMARK 465 ASN B 218 REMARK 465 HIS B 219 REMARK 465 LYS B 220 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 GLN A 31 80.94 -64.03 REMARK 500 ALA A 32 101.67 -32.22 REMARK 500 SER A 45 58.04 35.78 REMARK 500 ASN A 68 62.36 39.17 REMARK 500 MSE A 137 144.79 -171.48 REMARK 500 GLN A 139 -17.34 -49.98 REMARK 500 ASP A 185 -7.59 -152.27 REMARK 500 ASN B 68 58.12 39.60 REMARK 500 GLU B 136 35.77 -87.20 REMARK 500 ASP B 185 -9.11 -150.49 REMARK 500 ASP B 192 74.03 29.45 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 101 SG REMARK 620 2 ASP A 44 OD2 111.4 REMARK 620 3 CYS A 42 SG 117.8 100.2 REMARK 620 4 HIS A 98 NE2 106.0 104.8 116.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 42 SG REMARK 620 2 HIS B 98 NE2 112.5 REMARK 620 3 CYS B 101 SG 115.7 107.0 REMARK 620 4 ASP B 44 OD2 98.9 107.7 114.8 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1I6P RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF E. COLI BETA CARBONIC ANHYDRASE (ECCA) REMARK 900 IN A DIFFERENT SPACE GROUP, P42212, SOLVED TO 2.0A REMARK 900 RESOLUTION DBREF 1I6O A 1 220 UNP P61517 CAN_ECOLI 1 220 DBREF 1I6O B 1 220 UNP P61517 CAN_ECOLI 1 220 SEQADV 1I6O MSE A 1 UNP P61517 MET 1 MODIFIED RESIDUE SEQADV 1I6O MSE A 17 UNP P61517 MET 17 MODIFIED RESIDUE SEQADV 1I6O MSE A 137 UNP P61517 MET 137 MODIFIED RESIDUE SEQADV 1I6O MSE A 152 UNP P61517 MET 152 MODIFIED RESIDUE SEQADV 1I6O MSE A 164 UNP P61517 MET 164 MODIFIED RESIDUE SEQADV 1I6O MSE B 1 UNP P61517 MET 1 MODIFIED RESIDUE SEQADV 1I6O MSE B 17 UNP P61517 MET 17 MODIFIED RESIDUE SEQADV 1I6O MSE B 137 UNP P61517 MET 137 MODIFIED RESIDUE SEQADV 1I6O MSE B 152 UNP P61517 MET 152 MODIFIED RESIDUE SEQADV 1I6O MSE B 164 UNP P61517 MET 164 MODIFIED RESIDUE SEQRES 1 A 220 MSE LYS ASP ILE ASP THR LEU ILE SER ASN ASN ALA LEU SEQRES 2 A 220 TRP SER LYS MSE LEU VAL GLU GLU ASP PRO GLY PHE PHE SEQRES 3 A 220 GLU LYS LEU ALA GLN ALA GLN LYS PRO ARG PHE LEU TRP SEQRES 4 A 220 ILE GLY CYS SER ASP SER ARG VAL PRO ALA GLU ARG LEU SEQRES 5 A 220 THR GLY LEU GLU PRO GLY GLU LEU PHE VAL HIS ARG ASN SEQRES 6 A 220 VAL ALA ASN LEU VAL ILE HIS THR ASP LEU ASN CYS LEU SEQRES 7 A 220 SER VAL VAL GLN TYR ALA VAL ASP VAL LEU GLU VAL GLU SEQRES 8 A 220 HIS ILE ILE ILE CYS GLY HIS TYR GLY CYS GLY GLY VAL SEQRES 9 A 220 GLN ALA ALA VAL GLU ASN PRO GLU LEU GLY LEU ILE ASN SEQRES 10 A 220 ASN TRP LEU LEU HIS ILE ARG ASP ILE TRP PHE LYS HIS SEQRES 11 A 220 SER SER LEU LEU GLY GLU MSE PRO GLN GLU ARG ARG LEU SEQRES 12 A 220 ASP THR LEU CYS GLU LEU ASN VAL MSE GLU GLN VAL TYR SEQRES 13 A 220 ASN LEU GLY HIS SER THR ILE MSE GLN SER ALA TRP LYS SEQRES 14 A 220 ARG GLY GLN LYS VAL THR ILE HIS GLY TRP ALA TYR GLY SEQRES 15 A 220 ILE HIS ASP GLY LEU LEU ARG ASP LEU ASP VAL THR ALA SEQRES 16 A 220 THR ASN ARG GLU THR LEU GLU GLN ARG TYR ARG HIS GLY SEQRES 17 A 220 ILE SER ASN LEU LYS LEU LYS HIS ALA ASN HIS LYS SEQRES 1 B 220 MSE LYS ASP ILE ASP THR LEU ILE SER ASN ASN ALA LEU SEQRES 2 B 220 TRP SER LYS MSE LEU VAL GLU GLU ASP PRO GLY PHE PHE SEQRES 3 B 220 GLU LYS LEU ALA GLN ALA GLN LYS PRO ARG PHE LEU TRP SEQRES 4 B 220 ILE GLY CYS SER ASP SER ARG VAL PRO ALA GLU ARG LEU SEQRES 5 B 220 THR GLY LEU GLU PRO GLY GLU LEU PHE VAL HIS ARG ASN SEQRES 6 B 220 VAL ALA ASN LEU VAL ILE HIS THR ASP LEU ASN CYS LEU SEQRES 7 B 220 SER VAL VAL GLN TYR ALA VAL ASP VAL LEU GLU VAL GLU SEQRES 8 B 220 HIS ILE ILE ILE CYS GLY HIS TYR GLY CYS GLY GLY VAL SEQRES 9 B 220 GLN ALA ALA VAL GLU ASN PRO GLU LEU GLY LEU ILE ASN SEQRES 10 B 220 ASN TRP LEU LEU HIS ILE ARG ASP ILE TRP PHE LYS HIS SEQRES 11 B 220 SER SER LEU LEU GLY GLU MSE PRO GLN GLU ARG ARG LEU SEQRES 12 B 220 ASP THR LEU CYS GLU LEU ASN VAL MSE GLU GLN VAL TYR SEQRES 13 B 220 ASN LEU GLY HIS SER THR ILE MSE GLN SER ALA TRP LYS SEQRES 14 B 220 ARG GLY GLN LYS VAL THR ILE HIS GLY TRP ALA TYR GLY SEQRES 15 B 220 ILE HIS ASP GLY LEU LEU ARG ASP LEU ASP VAL THR ALA SEQRES 16 B 220 THR ASN ARG GLU THR LEU GLU GLN ARG TYR ARG HIS GLY SEQRES 17 B 220 ILE SER ASN LEU LYS LEU LYS HIS ALA ASN HIS LYS MODRES 1I6O MSE A 17 MET SELENOMETHIONINE MODRES 1I6O MSE A 137 MET SELENOMETHIONINE MODRES 1I6O MSE A 152 MET SELENOMETHIONINE MODRES 1I6O MSE A 164 MET SELENOMETHIONINE MODRES 1I6O MSE B 17 MET SELENOMETHIONINE MODRES 1I6O MSE B 137 MET SELENOMETHIONINE MODRES 1I6O MSE B 152 MET SELENOMETHIONINE MODRES 1I6O MSE B 164 MET SELENOMETHIONINE HET MSE A 17 8 HET MSE A 137 8 HET MSE A 152 8 HET MSE A 164 8 HET MSE B 17 8 HET MSE B 137 8 HET MSE B 152 8 HET MSE B 164 8 HET ZN A 301 1 HET ZN B 302 1 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION FORMUL 1 MSE 8(C5 H11 N O2 SE) FORMUL 3 ZN 2(ZN 2+) FORMUL 5 HOH *87(H2 O) HELIX 1 1 ASP A 3 ASP A 22 1 20 HELIX 2 2 GLY A 24 GLN A 31 1 8 HELIX 3 3 PRO A 48 GLY A 54 1 7 HELIX 4 4 ASP A 74 VAL A 87 1 14 HELIX 5 5 CYS A 101 ASN A 110 1 10 HELIX 6 6 LEU A 115 HIS A 130 1 16 HELIX 7 7 HIS A 130 GLU A 136 1 7 HELIX 8 8 ARG A 141 SER A 161 1 21 HELIX 9 9 SER A 161 ARG A 170 1 10 HELIX 10 10 ASN A 197 LYS A 213 1 17 HELIX 11 11 ASP B 3 VAL B 19 1 17 HELIX 12 12 PRO B 23 ALA B 30 1 8 HELIX 13 13 PRO B 48 GLY B 54 1 7 HELIX 14 14 ASP B 74 VAL B 87 1 14 HELIX 15 15 CYS B 101 ASN B 110 1 10 HELIX 16 16 LEU B 115 HIS B 130 1 16 HELIX 17 17 HIS B 130 GLU B 136 1 7 HELIX 18 18 PRO B 138 GLU B 140 5 3 HELIX 19 19 ARG B 141 SER B 161 1 21 HELIX 20 20 SER B 161 ARG B 170 1 10 HELIX 21 21 ASN B 197 LYS B 215 1 19 SHEET 1 A 5 LEU A 60 ASN A 65 0 SHEET 2 A 5 PHE A 37 CYS A 42 1 O PHE A 37 N PHE A 61 SHEET 3 A 5 HIS A 92 HIS A 98 1 O HIS A 92 N LEU A 38 SHEET 4 A 5 THR A 175 TYR A 181 1 O THR A 175 N ILE A 93 SHEET 5 A 5 LEU A 188 ASP A 190 -1 N ARG A 189 O ALA A 180 SHEET 1 B 5 LEU B 60 ASN B 65 0 SHEET 2 B 5 PHE B 37 CYS B 42 1 O PHE B 37 N PHE B 61 SHEET 3 B 5 HIS B 92 HIS B 98 1 O HIS B 92 N LEU B 38 SHEET 4 B 5 THR B 175 TYR B 181 1 O THR B 175 N ILE B 93 SHEET 5 B 5 ARG B 189 ASP B 190 -1 N ARG B 189 O ALA B 180 LINK C LYS A 16 N MSE A 17 1555 1555 1.33 LINK C MSE A 17 N LEU A 18 1555 1555 1.33 LINK C GLU A 136 N MSE A 137 1555 1555 1.33 LINK C MSE A 137 N PRO A 138 1555 1555 1.34 LINK C VAL A 151 N MSE A 152 1555 1555 1.33 LINK C MSE A 152 N GLU A 153 1555 1555 1.33 LINK C ILE A 163 N MSE A 164 1555 1555 1.33 LINK C MSE A 164 N GLN A 165 1555 1555 1.33 LINK ZN ZN A 301 SG CYS A 101 1555 1555 2.39 LINK ZN ZN A 301 OD2 ASP A 44 1555 1555 2.18 LINK ZN ZN A 301 SG CYS A 42 1555 1555 2.34 LINK ZN ZN A 301 NE2 HIS A 98 1555 1555 2.18 LINK C LYS B 16 N MSE B 17 1555 1555 1.33 LINK C MSE B 17 N LEU B 18 1555 1555 1.33 LINK C GLU B 136 N MSE B 137 1555 1555 1.33 LINK C MSE B 137 N PRO B 138 1555 1555 1.34 LINK C VAL B 151 N MSE B 152 1555 1555 1.33 LINK C MSE B 152 N GLU B 153 1555 1555 1.33 LINK C ILE B 163 N MSE B 164 1555 1555 1.33 LINK C MSE B 164 N GLN B 165 1555 1555 1.33 LINK ZN ZN B 302 SG CYS B 42 1555 1555 2.45 LINK ZN ZN B 302 NE2 HIS B 98 1555 1555 2.22 LINK ZN ZN B 302 SG CYS B 101 1555 1555 2.39 LINK ZN ZN B 302 OD2 ASP B 44 1555 1555 2.12 SITE 1 AC1 4 CYS A 42 ASP A 44 HIS A 98 CYS A 101 SITE 1 AC2 4 CYS B 42 ASP B 44 HIS B 98 CYS B 101 CRYST1 81.244 81.244 162.137 90.00 90.00 90.00 P 43 2 2 16 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 0.012309 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012309 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006168 0.00000