PDB Short entry for 1ELM HEADER HYDROLASE 14-MAR-00 1ELM TITLE CADMIUM-SUBSTITUTED BOVINE PACREATIC CARBOXYPEPTIDASE A (ALFA-FORM) AT TITLE 2 PH 5.5 AND 2 MM CHLORIDE IN MONOCLINIC CRYSTAL FORM. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARBOXYPEPTIDASE A; COMPND 3 CHAIN: P; COMPND 4 FRAGMENT: ALFA-FORM; COMPND 5 EC: 3.4.17.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: PANCREAS KEYWDS ALFA/BETA FOLD, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR F.JENSEN,T.BUKRINSKY,J.BJERRUM,S.LARSEN REVDAT 5 20-SEP-23 1ELM 1 REMARK REVDAT 4 21-DEC-22 1ELM 1 REMARK SEQADV LINK REVDAT 3 04-OCT-17 1ELM 1 REMARK REVDAT 2 24-FEB-09 1ELM 1 VERSN REVDAT 1 26-JUN-02 1ELM 0 JRNL AUTH F.JENSEN,T.BUKRINSKY,J.BJERRUM,S.LARSEN JRNL TITL THREE HIGH-RESOLUTION CRYSTAL STRUCTURES OF JRNL TITL 2 CADMIUM-SUBSTITUTED CARBOXYPEPTIDASE A PROVIDE INSIGHT INTO JRNL TITL 3 THE ENZYMATIC FUNCTION JRNL REF J.BIOL.INORG.CHEM. V. 7 490 2002 JRNL REFN ISSN 0949-8257 JRNL PMID 11941507 JRNL DOI 10.1007/S00775-001-0324-0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.T.BUKRINSKY,M.J.BJERRUM,A.KADZIOLA REMARK 1 TITL NATIVE CARBOXYPEPTIDASE A IN A NEW CRYSTAL ENVIRONMENT REMARK 1 TITL 2 REVEALS A DIFFERENT CONFORMATION OF THE IMPORTANT TYROSINE REMARK 1 TITL 3 248 REMARK 1 REF BIOCHEMISTRY V. 37 16555 1998 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI981678I REMARK 1 REFERENCE 2 REMARK 1 AUTH H.M.GREENBLATT,H.FEINBERG,P.A.TUCKER,G.SHOHAM REMARK 1 TITL CARBOXYPEPTIDASE A: NATIVE, ZINC-REMOVED AND REMARK 1 TITL 2 MERCURY-REPLACED FORMS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 54 289 1998 REMARK 1 REFN ISSN 0907-4449 REMARK 1 DOI 10.1107/S0907444997010445 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.BAUER,E.DANIELSEN,L.HEMMINGSEN,M.V.SOERENSEN,J.ULSTRUP, REMARK 1 AUTH 2 E.P.FRIIS,D.S.AULD,M.J.BJERRUM REMARK 1 TITL STRUCTURE AND DYNAMICS OF THE METAL SITE OF REMARK 1 TITL 2 CADMIUM-SUBSTITUTED CARBOXYPEPTIDASE A IN SOLUTION AND REMARK 1 TITL 3 CRYSTALLINE STATES AND UNDER STEADY-STATE PEPTIDE HYDROLYSIS REMARK 1 REF BIOCHEMISTRY V. 36 11514 1997 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI970936T REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 40.00 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 : 18818 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) : 0.161 REMARK 3 FREE R VALUE : 0.186 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 909 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 : 18 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.04 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 82.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 819 REMARK 3 BIN R VALUE (WORKING SET) : 0.1940 REMARK 3 BIN FREE R VALUE : 0.2040 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 44 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2420 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 189 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.40 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.250 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.860 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.300 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 1.510 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.190 ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : CNS MASK REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 30.56 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 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD MINIMIZATION OF REMARK 3 STRUCTURE FACTOR AMPLITUDE DIFFERENCES. REMARK 4 REMARK 4 1ELM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-MAR-00. REMARK 100 THE DEPOSITION ID IS D_1000010706. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-SEP-97 REMARK 200 TEMPERATURE (KELVIN) : 292.0 REMARK 200 PH : 5.50 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18818 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 4.700 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.01 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.16500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 7.600 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: 5CPA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 32.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: LITHIUM CHLORIDE, TRIS-HNO3, CADMIUM REMARK 280 CHLORIDE, PH 5.50, MICRODIALYSIS, TEMPERATURE 293K 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 30.12200 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: P 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 ASN P 306 REMARK 465 ASN P 307 REMARK 465 LEU P 308 REMARK 465 TYR P 309 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 SER P 199 -18.51 150.54 REMARK 500 ILE P 247 -89.00 -116.91 REMARK 500 LEU P 271 -168.53 -75.58 REMARK 500 ASP P 273 -144.58 -111.71 REMARK 500 LEU P 280 46.37 -95.17 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 CD P 350 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS P 69 ND1 REMARK 620 2 GLU P 72 OE1 108.6 REMARK 620 3 GLU P 72 OE2 89.6 51.5 REMARK 620 4 HIS P 196 ND1 92.3 87.0 136.2 REMARK 620 5 HOH P 401 O 147.5 96.5 90.3 109.8 REMARK 620 6 HOH P 550 O 87.5 163.2 136.2 87.6 70.5 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 CD P 350 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CD P 351 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EE3 RELATED DB: PDB REMARK 900 CADMIUM-SUBSTITUTED BOVINE PANCREATIC CARBOXYPEPTIDASE A (ALFA-FORM) REMARK 900 AT PH 7.5 AND 2 MM CHLORIDE IN MONOCLINIC CRYSTAL FORM. REMARK 900 RELATED ID: 1ELL RELATED DB: PDB REMARK 900 CADMIUM-SUBSTITUTED BOVINE PANCREATIC CARBOXYPEPTIDASE A (ALFA-FORM) REMARK 900 AT PH 7.5 AND 0.25 M CHLORIDE IN MONOCLINIC CRYSTAL FORM. REMARK 900 RELATED ID: 1CPX RELATED DB: PDB REMARK 900 BOVINE PANCREATIC CARBOXYPEPTIDASE A(ALFA-FORM) IN ORTHORHOMBIC REMARK 900 CRYSTAL FORM. DBREF 1ELM P 1 309 UNP P00730 CBPA1_BOVIN 111 419 SEQADV 1ELM ALA P 228 UNP P00730 GLU 338 VARIANT SEQADV 1ELM VAL P 305 UNP P00730 LEU 415 VARIANT SEQRES 1 P 309 ALA ARG SER THR ASN THR PHE ASN TYR ALA THR TYR HIS SEQRES 2 P 309 THR LEU ASP GLU ILE TYR ASP PHE MET ASP LEU LEU VAL SEQRES 3 P 309 ALA GLU HIS PRO GLN LEU VAL SER LYS LEU GLN ILE GLY SEQRES 4 P 309 ARG SER TYR GLU GLY ARG PRO ILE TYR VAL LEU LYS PHE SEQRES 5 P 309 SER THR GLY GLY SER ASN ARG PRO ALA ILE TRP ILE ASP SEQRES 6 P 309 LEU GLY ILE HIS SER ARG GLU TRP ILE THR GLN ALA THR SEQRES 7 P 309 GLY VAL TRP PHE ALA LYS LYS PHE THR GLU ASP TYR GLY SEQRES 8 P 309 GLN ASP PRO SER PHE THR ALA ILE LEU ASP SER MET ASP SEQRES 9 P 309 ILE PHE LEU GLU ILE VAL THR ASN PRO ASP GLY PHE ALA SEQRES 10 P 309 PHE THR HIS SER GLN ASN ARG LEU TRP ARG LYS THR ARG SEQRES 11 P 309 SER VAL THR SER SER SER LEU CYS VAL GLY VAL ASP ALA SEQRES 12 P 309 ASN ARG ASN TRP ASP ALA GLY PHE GLY LYS ALA GLY ALA SEQRES 13 P 309 SER SER SER PRO CYS SER GLU THR TYR HIS GLY LYS TYR SEQRES 14 P 309 ALA ASN SER GLU VAL GLU VAL LYS SER ILE VAL ASP PHE SEQRES 15 P 309 VAL LYS ASP HIS GLY ASN PHE LYS ALA PHE LEU SER ILE SEQRES 16 P 309 HIS SER TYR SER GLN LEU LEU LEU TYR PRO TYR GLY TYR SEQRES 17 P 309 THR THR GLN SER ILE PRO ASP LYS THR GLU LEU ASN GLN SEQRES 18 P 309 VAL ALA LYS SER ALA VAL ALA ALA LEU LYS SER LEU TYR SEQRES 19 P 309 GLY THR SER TYR LYS TYR GLY SER ILE ILE THR THR ILE SEQRES 20 P 309 TYR GLN ALA SER GLY GLY SER ILE ASP TRP SER TYR ASN SEQRES 21 P 309 GLN GLY ILE LYS TYR SER PHE THR PHE GLU LEU ARG ASP SEQRES 22 P 309 THR GLY ARG TYR GLY PHE LEU LEU PRO ALA SER GLN ILE SEQRES 23 P 309 ILE PRO THR ALA GLN GLU THR TRP LEU GLY VAL LEU THR SEQRES 24 P 309 ILE MET GLU HIS THR VAL ASN ASN LEU TYR HET CD P 350 1 HET CD P 351 1 HETNAM CD CADMIUM ION FORMUL 2 CD 2(CD 2+) FORMUL 4 HOH *189(H2 O) HELIX 1 1 THR P 14 HIS P 29 1 16 HELIX 2 2 GLU P 72 TYR P 90 1 19 HELIX 3 3 ASP P 93 MET P 103 1 11 HELIX 4 4 ASN P 112 GLN P 122 1 11 HELIX 5 5 ASP P 142 ASN P 146 5 5 HELIX 6 6 GLU P 173 GLY P 187 1 15 HELIX 7 7 ASP P 215 SER P 232 1 18 HELIX 8 8 ILE P 243 ILE P 247 1 5 HELIX 9 9 GLY P 253 GLN P 261 1 9 HELIX 10 10 TYR P 277 LEU P 281 5 5 HELIX 11 11 PRO P 282 SER P 284 5 3 HELIX 12 12 GLN P 285 VAL P 305 1 21 SHEET 1 A 8 VAL P 33 ARG P 40 0 SHEET 2 A 8 PRO P 46 PHE P 52 -1 N ILE P 47 O GLY P 39 SHEET 3 A 8 ASP P 104 GLU P 108 -1 O ILE P 105 N PHE P 52 SHEET 4 A 8 ALA P 61 LEU P 66 1 O ILE P 62 N PHE P 106 SHEET 5 A 8 PHE P 189 HIS P 196 1 N LYS P 190 O ALA P 61 SHEET 6 A 8 TYR P 265 GLU P 270 1 O TYR P 265 N PHE P 192 SHEET 7 A 8 LEU P 201 TYR P 204 -1 O LEU P 201 N GLU P 270 SHEET 8 A 8 LYS P 239 SER P 242 1 O LYS P 239 N LEU P 202 SSBOND 1 CYS P 138 CYS P 161 1555 1555 2.02 LINK ND1 HIS P 69 CD CD P 350 1555 1555 2.37 LINK OE1 GLU P 72 CD CD P 350 1555 1555 2.62 LINK OE2 GLU P 72 CD CD P 350 1555 1555 2.44 LINK ND1 HIS P 196 CD CD P 350 1555 1555 2.44 LINK ND1 HIS P 303 CD CD P 351 1555 1555 2.29 LINK CD CD P 350 O HOH P 401 1555 1555 2.43 LINK CD CD P 350 O HOH P 550 1555 1555 2.64 CISPEP 1 SER P 197 TYR P 198 0 -0.92 CISPEP 2 PRO P 205 TYR P 206 0 0.08 CISPEP 3 ARG P 272 ASP P 273 0 -0.86 SITE 1 AC1 5 HIS P 69 GLU P 72 HIS P 196 HOH P 401 SITE 2 AC1 5 HOH P 550 SITE 1 AC2 1 HIS P 303 CRYST1 47.163 60.244 51.746 90.00 97.41 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 0.021203 0.000000 0.002758 0.00000 SCALE2 0.000000 0.016599 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019488 0.00000