HEADER HYDROLASE 04-MAY-07 2PRQ TITLE X-RAY CRYSTALLOGRAPHIC CHARACTERIZATION OF THE CO(II)-SUBSTITUTED TITLE 2 TRIS-BOUND FORM OF THE AMINOPEPTIDASE FROM AEROMONAS PROTEOLYTICA COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIAL LEUCYL AMINOPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 107-397; COMPND 5 EC: 3.4.11.10; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO PROTEOLYTICUS; SOURCE 3 ORGANISM_TAXID: 671; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRIS, PEPTIDASE, AMINOHYDROLASE, COBALT, METALLOPROTEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR P.MUNIH,A.MOULIN,C.C.STAMPER,B.BENNET,D.RINGE,G.A.PETSKO,R.C.HOLZ REVDAT 5 30-AUG-23 2PRQ 1 REMARK LINK REVDAT 4 18-OCT-17 2PRQ 1 REMARK REVDAT 3 24-FEB-09 2PRQ 1 VERSN REVDAT 2 21-AUG-07 2PRQ 1 JRNL REVDAT 1 12-JUN-07 2PRQ 0 JRNL AUTH P.MUNIH,A.MOULIN,C.C.STAMPER,B.BENNETT,D.RINGE,G.A.PETSKO, JRNL AUTH 2 R.C.HOLZ JRNL TITL X-RAY CRYSTALLOGRAPHIC CHARACTERIZATION OF THE JRNL TITL 2 CO(II)-SUBSTITUTED TRIS-BOUND FORM OF THE AMINOPEPTIDASE JRNL TITL 3 FROM AEROMONAS PROTEOLYTICA. JRNL REF J.INORG.BIOCHEM. V. 101 1099 2007 JRNL REFN ISSN 0162-0134 JRNL PMID 17574677 JRNL DOI 10.1016/J.JINORGBIO.2007.03.010 REMARK 2 REMARK 2 RESOLUTION. 2.15 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) : 2.15 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) (%) : 91.9 REMARK 3 NUMBER OF REFLECTIONS : 16585 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) : 0.224 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1634 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 2211 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 76 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.06 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) : 0.30 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.125 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.866 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.601 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.287 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 45.73 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 : TRIS.PARAM REMARK 3 PARAMETER FILE 5 : 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 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2PRQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAY-07. REMARK 100 THE DEPOSITION ID IS D_1000042708. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-MAR-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.99 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 1 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18085 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.12000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.74300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MODEL DERIVED PHASES REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB CODE 1AMP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.87 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRIS PH 8.0, 100 MM KSCN, 4.5 M REMARK 280 NACL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298KK 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 32.23333 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 64.46667 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 48.35000 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 80.58333 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 16.11667 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 32.23333 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 64.46667 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 80.58333 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 48.35000 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 16.11667 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 300 REMARK: MONOMERIC ENZYME. THE MONOMER COMPRISES THE ASU 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 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 O2 TRS A 840 O HOH A 916 1.87 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 ASP A 117 CA - C - N ANGL. DEV. = -20.2 DEGREES REMARK 500 ASP A 117 O - C - N ANGL. DEV. = 10.1 DEGREES REMARK 500 ASP A 118 C - N - CA ANGL. DEV. = 22.8 DEGREES REMARK 500 ASP A 118 N - CA - C ANGL. DEV. = 20.0 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 GLN A 6 54.22 -98.94 REMARK 500 SER A 59 -79.66 -56.13 REMARK 500 ASN A 62 3.90 80.08 REMARK 500 GLU A 86 -38.08 -133.23 REMARK 500 MET A 180 99.93 76.89 REMARK 500 ASN A 252 106.16 -33.86 REMARK 500 SER A 265 -134.56 -98.24 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 CO A 502 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 97 NE2 REMARK 620 2 ASP A 117 OD1 96.3 REMARK 620 3 ASP A 179 OD1 94.8 89.0 REMARK 620 4 ASP A 179 OD2 82.8 150.7 62.0 REMARK 620 5 TRS A 840 O1 135.8 92.8 128.6 108.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 501 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 117 OD2 REMARK 620 2 GLU A 152 OE1 162.9 REMARK 620 3 GLU A 152 OE2 104.9 59.8 REMARK 620 4 HIS A 256 NE2 88.3 96.3 81.6 REMARK 620 5 TRS A 840 O1 82.1 102.5 133.0 145.4 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRS A 840 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AMP RELATED DB: PDB REMARK 900 NATIVE FORM OF AAP REMARK 900 RELATED ID: 1LOK RELATED DB: PDB REMARK 900 AAP WITH TRIS BOUND AT HIGH RESOLUTION (1.2 A) DBREF 2PRQ A 1 291 UNP Q01693 AMPX_VIBPR 107 397 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 HET CO A 501 1 HET CO A 502 1 HET TRS A 840 8 HETNAM CO COBALT (II) ION HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETSYN TRS TRIS BUFFER FORMUL 2 CO 2(CO 2+) FORMUL 4 TRS C4 H12 N O3 1+ FORMUL 5 HOH *76(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 GLU A 30 1 13 HELIX 4 4 THR A 39 LEU A 60 1 22 HELIX 5 5 ASP A 118 GLU A 134 1 17 HELIX 6 6 LEU A 155 GLU A 168 1 14 HELIX 7 7 ASP A 198 LEU A 213 1 16 HELIX 8 8 ASP A 229 ALA A 236 1 8 HELIX 9 9 LYS A 247 TYR A 251 5 5 HELIX 10 10 THR A 261 SER A 265 5 5 HELIX 11 11 GLY A 269 ALA A 289 1 21 SHEET 1 A 8 ALA A 63 VAL A 68 0 SHEET 2 A 8 SER A 77 ILE A 82 -1 O SER A 77 N VAL A 68 SHEET 3 A 8 ARG A 141 TYR A 148 -1 O PHE A 145 N MET A 80 SHEET 4 A 8 ALA A 87 HIS A 97 1 N ILE A 92 O ALA A 144 SHEET 5 A 8 ASN A 171 GLN A 177 1 O SER A 174 N VAL A 93 SHEET 6 A 8 ALA A 240 PHE A 244 1 O ALA A 241 N GLN A 177 SHEET 7 A 8 VAL A 190 ILE A 193 -1 N VAL A 191 O PHE A 244 SHEET 8 A 8 TYR A 218 ASP A 221 1 O GLY A 219 N PHE A 192 SSBOND 1 CYS A 223 CYS A 227 1555 1555 2.40 LINK NE2 HIS A 97 CO CO A 502 1555 1555 2.02 LINK OD2 ASP A 117 CO CO A 501 1555 1555 2.03 LINK OD1 ASP A 117 CO CO A 502 1555 1555 2.13 LINK OE1 GLU A 152 CO CO A 501 1555 1555 2.29 LINK OE2 GLU A 152 CO CO A 501 1555 1555 2.10 LINK OD1 ASP A 179 CO CO A 502 1555 1555 1.96 LINK OD2 ASP A 179 CO CO A 502 1555 1555 2.24 LINK NE2 HIS A 256 CO CO A 501 1555 1555 1.81 LINK CO CO A 501 O1 TRS A 840 1555 1555 2.16 LINK CO CO A 502 O1 TRS A 840 1555 1555 1.87 SITE 1 AC1 5 ASP A 117 GLU A 152 HIS A 256 CO A 502 SITE 2 AC1 5 TRS A 840 SITE 1 AC2 6 HIS A 97 ASP A 117 GLU A 151 ASP A 179 SITE 2 AC2 6 CO A 501 TRS A 840 SITE 1 AC3 11 HIS A 97 ASP A 117 GLU A 151 GLU A 152 SITE 2 AC3 11 ASP A 179 TYR A 225 CYS A 227 PHE A 244 SITE 3 AC3 11 CO A 501 CO A 502 HOH A 916 CRYST1 106.200 106.200 96.700 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 0.009416 0.005436 0.000000 0.00000 SCALE2 0.000000 0.010873 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010341 0.00000