PDB Short entry for 3KOI HEADER LYASE 13-NOV-09 3KOI TITLE CRYSTAL STRUCTURE OF COBALT (III) HUMAN CARBONIC ANHYDRASE II AT PH TITLE 2 6.0 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBONIC ANHYDRASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CARBONIC ANHYDRASE II, CA-II, CARBONATE DEHYDRATASE II, COMPND 5 CARBONIC ANHYDRASE C, CAC; COMPND 6 EC: 4.2.1.1; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS CARBONIC ANHYDRASE, METALLOENZYME, COBALT SUBSTITUTION, CRYSTAL PH, KEYWDS 2 LYASE EXPDTA X-RAY DIFFRACTION AUTHOR B.S.AVVARU REVDAT 2 15-SEP-10 3KOI 1 JRNL REVDAT 1 25-AUG-10 3KOI 0 JRNL AUTH B.S.AVVARU,D.J.ARENAS,C.TU,D.B.TANNER,R.MCKENNA, JRNL AUTH 2 D.N.SILVERMAN JRNL TITL COMPARISON OF SOLUTION AND CRYSTAL PROPERTIES OF JRNL TITL 2 CO(II)-SUBSTITUTED HUMAN CARBONIC ANHYDRASE II. JRNL REF ARCH.BIOCHEM.BIOPHYS. V. 502 53 2010 JRNL REFN ISSN 0003-9861 JRNL PMID 20637176 JRNL DOI 10.1016/J.ABB.2010.07.010 REMARK 2 REMARK 2 RESOLUTION. 1.64 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.64 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.1 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.211 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.220 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1500 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 32767 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.198 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 22572 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 : 1 REMARK 3 SOLVENT ATOMS : 138 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2174.20 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 1 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 8751 REMARK 3 NUMBER OF RESTRAINTS : 8525 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 ANGLE DISTANCES (A) : 0.023 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.027 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.031 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.038 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.181 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.075 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3KOI COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-NOV-09. REMARK 100 THE RCSB ID CODE IS RCSB056248. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-08 REMARK 200 TEMPERATURE (KELVIN) : 300 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 RUH3R 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 : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29472 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 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 (%) : 90.0 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : 0.08000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.43000 REMARK 200 R SYM FOR SHELL (I) : 0.43000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 5.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.4 M SODIUM CITRATE, PH 6.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 300K 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 20.78150 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 MET A 1 REMARK 465 SER A 2 REMARK 465 HIS A 3 REMARK 465 HIS A 4 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 ND2 ASN A 244 O HOH A 347 1.51 REMARK 500 CG ASN A 244 O HOH A 347 1.90 REMARK 500 CB LEU A 229 O HOH A 306 1.93 REMARK 500 CB MET A 241 O HOH A 306 2.03 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 ARG A 246 NE - CZ - NH1 ANGL. DEV. = 3.1 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 ASN A 11 21.53 -148.44 REMARK 500 ASP A 75 45.28 -87.96 REMARK 500 LYS A 76 -87.17 -63.94 REMARK 500 ASN A 244 46.79 -95.24 REMARK 500 LYS A 252 -134.66 54.09 REMARK 500 ASN A 253 38.87 -87.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 337 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH A 367 DISTANCE = 6.76 ANGSTROMS REMARK 525 HOH A 396 DISTANCE = 5.62 ANGSTROMS REMARK 525 HOH A 399 DISTANCE = 8.45 ANGSTROMS 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 3CO A 262 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 94 NE2 REMARK 620 2 HIS A 119 ND1 109.7 REMARK 620 3 HIS A 96 NE2 98.4 97.0 REMARK 620 4 HOH A 267 O 85.4 164.7 82.0 REMARK 620 5 HOH A 375 O 164.8 77.0 94.1 87.8 REMARK 620 6 HOH A 272 O 93.7 95.2 158.7 81.6 71.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3CO A 262 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3KOK RELATED DB: PDB REMARK 900 RELATED ID: 3KON RELATED DB: PDB REMARK 900 RELATED ID: 3KS3 RELATED DB: PDB DBREF 3KOI A 1 261 UNP P00918 CAH2_HUMAN 1 260 SEQRES 1 A 260 MET SER HIS HIS TRP GLY TYR GLY LYS HIS ASN GLY PRO SEQRES 2 A 260 GLU HIS TRP HIS LYS ASP PHE PRO ILE ALA LYS GLY GLU SEQRES 3 A 260 ARG GLN SER PRO VAL ASP ILE ASP THR HIS THR ALA LYS SEQRES 4 A 260 TYR ASP PRO SER LEU LYS PRO LEU SER VAL SER TYR ASP SEQRES 5 A 260 GLN ALA THR SER LEU ARG ILE LEU ASN ASN GLY HIS ALA SEQRES 6 A 260 PHE ASN VAL GLU PHE ASP ASP SER GLN ASP LYS ALA VAL SEQRES 7 A 260 LEU LYS GLY GLY PRO LEU ASP GLY THR TYR ARG LEU ILE SEQRES 8 A 260 GLN PHE HIS PHE HIS TRP GLY SER LEU ASP GLY GLN GLY SEQRES 9 A 260 SER GLU HIS THR VAL ASP LYS LYS LYS TYR ALA ALA GLU SEQRES 10 A 260 LEU HIS LEU VAL HIS TRP ASN THR LYS TYR GLY ASP PHE SEQRES 11 A 260 GLY LYS ALA VAL GLN GLN PRO ASP GLY LEU ALA VAL LEU SEQRES 12 A 260 GLY ILE PHE LEU LYS VAL GLY SER ALA LYS PRO GLY LEU SEQRES 13 A 260 GLN LYS VAL VAL ASP VAL LEU ASP SER ILE LYS THR LYS SEQRES 14 A 260 GLY LYS SER ALA ASP PHE THR ASN PHE ASP PRO ARG GLY SEQRES 15 A 260 LEU LEU PRO GLU SER LEU ASP TYR TRP THR TYR PRO GLY SEQRES 16 A 260 SER LEU THR THR PRO PRO LEU LEU GLU CYS VAL THR TRP SEQRES 17 A 260 ILE VAL LEU LYS GLU PRO ILE SER VAL SER SER GLU GLN SEQRES 18 A 260 VAL LEU LYS PHE ARG LYS LEU ASN PHE ASN GLY GLU GLY SEQRES 19 A 260 GLU PRO GLU GLU LEU MET VAL ASP ASN TRP ARG PRO ALA SEQRES 20 A 260 GLN PRO LEU LYS ASN ARG GLN ILE LYS ALA SER PHE LYS HET 3CO A 262 1 HETNAM 3CO COBALT (III) ION FORMUL 2 3CO CO 3+ FORMUL 3 HOH *138(H2 O) HELIX 1 1 GLY A 12 ASP A 19 5 8 HELIX 2 2 PHE A 20 GLY A 25 5 6 HELIX 3 3 LYS A 127 GLY A 129 5 3 HELIX 4 4 ASP A 130 VAL A 135 1 6 HELIX 5 5 LYS A 154 GLY A 156 5 3 HELIX 6 6 LEU A 157 ASP A 162 1 6 HELIX 7 7 VAL A 163 LYS A 168 5 6 HELIX 8 8 ASP A 180 LEU A 185 5 6 HELIX 9 9 SER A 219 ARG A 227 1 9 SHEET 1 A 2 ASP A 32 ILE A 33 0 SHEET 2 A 2 THR A 108 VAL A 109 1 O THR A 108 N ILE A 33 SHEET 1 B10 LYS A 39 TYR A 40 0 SHEET 2 B10 LYS A 257 ALA A 258 1 O ALA A 258 N LYS A 39 SHEET 3 B10 TYR A 191 GLY A 196 -1 N THR A 193 O LYS A 257 SHEET 4 B10 VAL A 207 LEU A 212 -1 O VAL A 207 N GLY A 196 SHEET 5 B10 LEU A 141 VAL A 150 1 N LEU A 141 O THR A 208 SHEET 6 B10 ALA A 116 ASN A 124 -1 N LEU A 118 O ILE A 146 SHEET 7 B10 TYR A 88 TRP A 97 -1 N HIS A 94 O HIS A 119 SHEET 8 B10 PHE A 66 PHE A 70 -1 N VAL A 68 O PHE A 93 SHEET 9 B10 SER A 56 ASN A 61 -1 N LEU A 57 O GLU A 69 SHEET 10 B10 SER A 173 ASP A 175 -1 O ALA A 174 N ILE A 59 SHEET 1 C 6 LEU A 47 SER A 50 0 SHEET 2 C 6 VAL A 78 GLY A 81 -1 O VAL A 78 N SER A 50 SHEET 3 C 6 TYR A 88 TRP A 97 -1 O TYR A 88 N LEU A 79 SHEET 4 C 6 ALA A 116 ASN A 124 -1 O HIS A 119 N HIS A 94 SHEET 5 C 6 LEU A 141 VAL A 150 -1 O ILE A 146 N LEU A 118 SHEET 6 C 6 ILE A 216 VAL A 218 1 O ILE A 216 N PHE A 147 LINK NE2 HIS A 94 CO 3CO A 262 1555 1555 1.98 LINK ND1 HIS A 119 CO 3CO A 262 1555 1555 2.13 LINK NE2 HIS A 96 CO 3CO A 262 1555 1555 2.24 LINK CO 3CO A 262 O HOH A 267 1555 1555 2.21 LINK CO 3CO A 262 O HOH A 375 1555 1555 2.31 LINK CO 3CO A 262 O HOH A 272 1555 1555 2.43 CISPEP 1 SER A 29 PRO A 30 0 -8.75 CISPEP 2 PRO A 201 PRO A 202 0 6.20 SITE 1 AC1 6 HIS A 94 HIS A 96 HIS A 119 HOH A 267 SITE 2 AC1 6 HOH A 272 HOH A 375 CRYST1 42.422 41.563 72.993 90.00 105.53 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 0.023573 0.000000 0.006551 0.00000 SCALE2 0.000000 0.024060 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014219 0.00000