HEADER AMINOPEPTIDASE 25-APR-97 1XGS TITLE METHIONINE AMINOPEPTIDASE FROM HYPERTHERMOPHILE PYROCOCCUS FURIOSUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHIONINE AMINOPEPTIDASE; COMPND 3 CHAIN: A, B; COMPND 4 OTHER_DETAILS: CONTAIN TWO COBALT IONS IN ACTIVE SITE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PYROCOCCUS FURIOSUS; SOURCE 3 ORGANISM_TAXID: 2261 KEYWDS AMINOPEPTIDASE, HYPERTHERMOPHILE EXPDTA X-RAY DIFFRACTION AUTHOR T.H.TAHIROV,T.TSUKIHARA REVDAT 4 03-APR-24 1XGS 1 REMARK REVDAT 3 14-FEB-24 1XGS 1 REMARK LINK REVDAT 2 24-FEB-09 1XGS 1 VERSN REVDAT 1 07-JUL-97 1XGS 0 JRNL AUTH T.H.TAHIROV,H.OKI,T.TSUKIHARA,K.OGASAHARA,K.YUTANI,K.OGATA, JRNL AUTH 2 Y.IZU,S.TSUNASAWA,I.KATO JRNL TITL CRYSTAL STRUCTURE OF METHIONINE AMINOPEPTIDASE FROM JRNL TITL 2 HYPERTHERMOPHILE, PYROCOCCUS FURIOSUS. JRNL REF J.MOL.BIOL. V. 284 101 1998 JRNL REFN ISSN 0022-2836 JRNL PMID 9811545 JRNL DOI 10.1006/JMBI.1998.2146 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 78.3 REMARK 3 NUMBER OF REFLECTIONS : 45327 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) : 0.187 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.800 REMARK 3 FREE R VALUE TEST SET COUNT : 4521 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.83 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 48.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3110 REMARK 3 BIN R VALUE (WORKING SET) : 0.2990 REMARK 3 BIN FREE R VALUE : 0.3190 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 353 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 : 4624 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 206 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.00 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) : 0.22 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.610 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.32 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.430 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) : 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 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: PARAMETER AND TOPOLOGY FILES ARE REMARK 3 MODIFIED TO INCLUDE THE COBALT IONS IN THE REFINEMENT REMARK 4 REMARK 4 1XGS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000177263. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-96 REMARK 200 TEMPERATURE (KELVIN) : 289 REMARK 200 PH : 4.5-8.5 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 : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAC SCIENCE DIP-2030 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49955 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 84.6 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 62.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.36100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: RIGID-BODY REFINEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: STRUCTURE OF NATIVE MONOCLINIC PFMAP CRYSTAL REMARK 200 DETERMINED BY MIR METHOD REMARK 200 REMARK 200 REMARK: DATA WERE COLLECTED USING 2 DEGREE OSCILLATION. LOW REMARK 200 -HUMIDITY FORM CRYSTAL FORM USED FOR DATA COLLECTION WAS REMARK 200 OBTAINED BY WATER-MEDIATED TRANSFORMATION OF NATIVE MONOCLINIC REMARK 200 PFMAP CRYSTAL. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN SOLUTION CONTAINING 16 MG/ML REMARK 280 PFMAP, 2 MM COCL2 AND 30 MM L-METHIONINE IN 20 MM POTASSIUM REMARK 280 ACETATE AT PH4.5 WAS MIXED WITH EQUAL AMOUNT OF RESERVOIR REMARK 280 SOLUTION CONTAINING 20% ETHANOL IN 0.1 M TRIS BUFFER AT PH 8.5, REMARK 280 THEN EQUILIBRATED AGAINST RESERVOIR SOLUTION. OBTAINED CRYSTALS REMARK 280 WERE TRANSFORMED TO LOW-HUMIDITY FORM BY CONTROLLING THE REMARK 280 RELATIVE HUMIDITY USING THE SATURATED SALT SOLUTIONS (AMMONIUM REMARK 280 SULFATE AT LAST STAGE). 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 41.64300 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: DIMERIC 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: 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 57 -110.42 53.74 REMARK 500 GLN A 241 2.85 -66.29 REMARK 500 SER A 289 -159.29 -165.87 REMARK 500 ASN B 57 -108.78 56.90 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 297 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 82 CG REMARK 620 2 ASP A 82 OD1 32.0 REMARK 620 3 ASP A 82 OD2 32.0 64.0 REMARK 620 4 ASP A 93 OD1 127.6 159.5 95.7 REMARK 620 5 GLU A 280 OE1 103.3 95.0 108.1 94.1 REMARK 620 6 HOH A 298 O 115.1 88.6 137.7 106.5 105.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 296 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 93 OD2 REMARK 620 2 HIS A 153 NE2 87.4 REMARK 620 3 GLU A 187 OE2 170.2 93.7 REMARK 620 4 GLU A 280 OE2 83.1 121.1 88.0 REMARK 620 5 HOH A 298 O 92.1 134.6 93.9 103.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO B 297 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 82 OD1 REMARK 620 2 ASP B 82 OD2 61.1 REMARK 620 3 ASP B 93 OD1 152.2 95.3 REMARK 620 4 GLU B 280 OE1 104.5 105.9 95.8 REMARK 620 5 HOH B 301 O 89.0 137.9 101.9 110.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO B 296 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 93 OD2 REMARK 620 2 HIS B 153 NE2 88.0 REMARK 620 3 GLU B 187 OE2 171.9 88.6 REMARK 620 4 GLU B 280 OE2 88.9 121.9 86.7 REMARK 620 5 HOH B 301 O 91.6 132.9 96.1 105.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SIDE CHAINS OF FIVE AMINO ACID RESIDUES ASP 82, REMARK 800 ASP 93, HIS 153, GLU 187, GLU 280, TWO COBALT IONS SEPARATED BY REMARK 800 3.1 ANGSTROM, AND A BRIDGING WATER MOLECULE HOH 1 BOUND TO BOTH REMARK 800 COBALT IONS FORM AN ACTIVE SITE OF MOLECULE IN CHAIN A. REMARK 800 REMARK 800 SITE_IDENTIFIER: ACB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: SIDE CHAINS OF FIVE AMINO ACID RESIDUES ASP 82, REMARK 800 ASP 93, HIS 153, GLU 187, GLU 280, TWO COBALT IONS SEPARATED BY REMARK 800 3.1 ANGSTROM, AND A BRIDGING WATER MOLECULE HOH 1 BOUND TO BOTH REMARK 800 COBALT IONS FORM AN ACTIVE SITE OF MOLECULE IN CHAIN B. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 296 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 297 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO B 296 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO B 297 DBREF 1XGS A 1 295 UNP P56218 AMPM_PYRFU 1 295 DBREF 1XGS B 1 295 UNP P56218 AMPM_PYRFU 1 295 SEQRES 1 A 295 MET ASP THR GLU LYS LEU MET LYS ALA GLY GLU ILE ALA SEQRES 2 A 295 LYS LYS VAL ARG GLU LYS ALA ILE LYS LEU ALA ARG PRO SEQRES 3 A 295 GLY MET LEU LEU LEU GLU LEU ALA GLU SER ILE GLU LYS SEQRES 4 A 295 MET ILE MET GLU LEU GLY GLY LYS PRO ALA PHE PRO VAL SEQRES 5 A 295 ASN LEU SER ILE ASN GLU ILE ALA ALA HIS TYR THR PRO SEQRES 6 A 295 TYR LYS GLY ASP THR THR VAL LEU LYS GLU GLY ASP TYR SEQRES 7 A 295 LEU LYS ILE ASP VAL GLY VAL HIS ILE ASP GLY PHE ILE SEQRES 8 A 295 ALA ASP THR ALA VAL THR VAL ARG VAL GLY MET GLU GLU SEQRES 9 A 295 ASP GLU LEU MET GLU ALA ALA LYS GLU ALA LEU ASN ALA SEQRES 10 A 295 ALA ILE SER VAL ALA ARG ALA GLY VAL GLU ILE LYS GLU SEQRES 11 A 295 LEU GLY LYS ALA ILE GLU ASN GLU ILE ARG LYS ARG GLY SEQRES 12 A 295 PHE LYS PRO ILE VAL ASN LEU SER GLY HIS LYS ILE GLU SEQRES 13 A 295 ARG TYR LYS LEU HIS ALA GLY ILE SER ILE PRO ASN ILE SEQRES 14 A 295 TYR ARG PRO HIS ASP ASN TYR VAL LEU LYS GLU GLY ASP SEQRES 15 A 295 VAL PHE ALA ILE GLU PRO PHE ALA THR ILE GLY ALA GLY SEQRES 16 A 295 GLN VAL ILE GLU VAL PRO PRO THR LEU ILE TYR MET TYR SEQRES 17 A 295 VAL ARG ASP VAL PRO VAL ARG VAL ALA GLN ALA ARG PHE SEQRES 18 A 295 LEU LEU ALA LYS ILE LYS ARG GLU TYR GLY THR LEU PRO SEQRES 19 A 295 PHE ALA TYR ARG TRP LEU GLN ASN ASP MET PRO GLU GLY SEQRES 20 A 295 GLN LEU LYS LEU ALA LEU LYS THR LEU GLU LYS ALA GLY SEQRES 21 A 295 ALA ILE TYR GLY TYR PRO VAL LEU LYS GLU ILE ARG ASN SEQRES 22 A 295 GLY ILE VAL ALA GLN PHE GLU HIS THR ILE ILE VAL GLU SEQRES 23 A 295 LYS ASP SER VAL ILE VAL THR THR GLU SEQRES 1 B 295 MET ASP THR GLU LYS LEU MET LYS ALA GLY GLU ILE ALA SEQRES 2 B 295 LYS LYS VAL ARG GLU LYS ALA ILE LYS LEU ALA ARG PRO SEQRES 3 B 295 GLY MET LEU LEU LEU GLU LEU ALA GLU SER ILE GLU LYS SEQRES 4 B 295 MET ILE MET GLU LEU GLY GLY LYS PRO ALA PHE PRO VAL SEQRES 5 B 295 ASN LEU SER ILE ASN GLU ILE ALA ALA HIS TYR THR PRO SEQRES 6 B 295 TYR LYS GLY ASP THR THR VAL LEU LYS GLU GLY ASP TYR SEQRES 7 B 295 LEU LYS ILE ASP VAL GLY VAL HIS ILE ASP GLY PHE ILE SEQRES 8 B 295 ALA ASP THR ALA VAL THR VAL ARG VAL GLY MET GLU GLU SEQRES 9 B 295 ASP GLU LEU MET GLU ALA ALA LYS GLU ALA LEU ASN ALA SEQRES 10 B 295 ALA ILE SER VAL ALA ARG ALA GLY VAL GLU ILE LYS GLU SEQRES 11 B 295 LEU GLY LYS ALA ILE GLU ASN GLU ILE ARG LYS ARG GLY SEQRES 12 B 295 PHE LYS PRO ILE VAL ASN LEU SER GLY HIS LYS ILE GLU SEQRES 13 B 295 ARG TYR LYS LEU HIS ALA GLY ILE SER ILE PRO ASN ILE SEQRES 14 B 295 TYR ARG PRO HIS ASP ASN TYR VAL LEU LYS GLU GLY ASP SEQRES 15 B 295 VAL PHE ALA ILE GLU PRO PHE ALA THR ILE GLY ALA GLY SEQRES 16 B 295 GLN VAL ILE GLU VAL PRO PRO THR LEU ILE TYR MET TYR SEQRES 17 B 295 VAL ARG ASP VAL PRO VAL ARG VAL ALA GLN ALA ARG PHE SEQRES 18 B 295 LEU LEU ALA LYS ILE LYS ARG GLU TYR GLY THR LEU PRO SEQRES 19 B 295 PHE ALA TYR ARG TRP LEU GLN ASN ASP MET PRO GLU GLY SEQRES 20 B 295 GLN LEU LYS LEU ALA LEU LYS THR LEU GLU LYS ALA GLY SEQRES 21 B 295 ALA ILE TYR GLY TYR PRO VAL LEU LYS GLU ILE ARG ASN SEQRES 22 B 295 GLY ILE VAL ALA GLN PHE GLU HIS THR ILE ILE VAL GLU SEQRES 23 B 295 LYS ASP SER VAL ILE VAL THR THR GLU HET CO A 296 1 HET CO A 297 1 HET CO B 296 1 HET CO B 297 1 HETNAM CO COBALT (II) ION FORMUL 3 CO 4(CO 2+) FORMUL 7 HOH *206(H2 O) HELIX 1 1 THR A 3 LEU A 23 1 21 HELIX 2 2 LEU A 30 LEU A 44 1 15 HELIX 3 3 GLU A 106 VAL A 121 1 16 HELIX 4 4 ILE A 128 ARG A 142 1 15 HELIX 5 5 ALA A 217 GLU A 229 1 13 HELIX 6 6 ARG A 238 LEU A 240 5 3 HELIX 7 7 GLU A 246 ALA A 259 1 14 HELIX 8 8 THR B 3 LEU B 23 1 21 HELIX 9 9 LEU B 30 GLU B 43 1 14 HELIX 10 10 GLU B 106 VAL B 121 1 16 HELIX 11 11 ILE B 128 ARG B 142 1 15 HELIX 12 12 ALA B 217 GLU B 229 1 13 HELIX 13 13 TYR B 237 LEU B 240 1 4 HELIX 14 14 GLU B 246 LYS B 258 1 13 SHEET 1 A 3 ASN A 53 ILE A 56 0 SHEET 2 A 3 TYR A 78 ILE A 87 -1 N ASP A 82 O ASN A 53 SHEET 3 A 3 PHE A 90 ARG A 99 -1 N VAL A 98 O LEU A 79 SHEET 1 B 3 VAL A 183 ILE A 186 0 SHEET 2 B 3 HIS A 281 VAL A 285 -1 N ILE A 283 O PHE A 184 SHEET 3 B 3 VAL A 290 VAL A 292 -1 N ILE A 291 O ILE A 284 SHEET 1 C 2 PHE A 189 THR A 191 0 SHEET 2 C 2 VAL A 276 GLN A 278 -1 N ALA A 277 O ALA A 190 SHEET 1 D 2 ILE A 205 TYR A 208 0 SHEET 2 D 2 ILE A 262 TYR A 265 -1 N TYR A 265 O ILE A 205 SHEET 1 E 3 ASN B 53 ILE B 56 0 SHEET 2 E 3 TYR B 78 ILE B 87 -1 N ASP B 82 O ASN B 53 SHEET 3 E 3 PHE B 90 ARG B 99 -1 N VAL B 98 O LEU B 79 SHEET 1 F 3 VAL B 183 THR B 191 0 SHEET 2 F 3 VAL B 276 VAL B 285 -1 N ILE B 283 O PHE B 184 SHEET 3 F 3 VAL B 290 VAL B 292 -1 N ILE B 291 O ILE B 284 SHEET 1 G 2 ILE B 205 TYR B 208 0 SHEET 2 G 2 ILE B 262 TYR B 265 -1 N TYR B 265 O ILE B 205 SHEET 1 H 2 LYS A 47 PHE A 50 0 SHEET 2 H 2 GLY A 84 HIS A 86 -1 N HIS A 86 O LYS A 47 SHEET 1 I 2 VAL A 197 THR A 203 0 SHEET 2 I 2 PRO A 266 GLU A 270 -1 N LYS A 269 O ILE A 198 SHEET 1 J 2 VAL B 197 THR B 203 0 SHEET 2 J 2 PRO B 266 GLU B 270 -1 N LYS B 269 O ILE B 198 LINK CG ASP A 82 CO CO A 297 1555 1555 2.33 LINK OD1 ASP A 82 CO CO A 297 1555 1555 2.08 LINK OD2 ASP A 82 CO CO A 297 1555 1555 1.96 LINK OD2 ASP A 93 CO CO A 296 1555 1555 2.03 LINK OD1 ASP A 93 CO CO A 297 1555 1555 1.96 LINK NE2 HIS A 153 CO CO A 296 1555 1555 2.03 LINK OE2 GLU A 187 CO CO A 296 1555 1555 2.01 LINK OE2 GLU A 280 CO CO A 296 1555 1555 2.03 LINK OE1 GLU A 280 CO CO A 297 1555 1555 2.02 LINK CO CO A 296 O HOH A 298 1555 1555 1.97 LINK CO CO A 297 O HOH A 298 1555 1555 1.95 LINK OD1 ASP B 82 CO CO B 297 1555 1555 2.16 LINK OD2 ASP B 82 CO CO B 297 1555 1555 2.03 LINK OD2 ASP B 93 CO CO B 296 1555 1555 2.03 LINK OD1 ASP B 93 CO CO B 297 1555 1555 2.01 LINK NE2 HIS B 153 CO CO B 296 1555 1555 2.04 LINK OE2 GLU B 187 CO CO B 296 1555 1555 1.97 LINK OE2 GLU B 280 CO CO B 296 1555 1555 1.99 LINK OE1 GLU B 280 CO CO B 297 1555 1555 1.99 LINK CO CO B 296 O HOH B 301 1555 1555 1.96 LINK CO CO B 297 O HOH B 301 1555 1555 1.97 CISPEP 1 PRO A 201 PRO A 202 0 0.18 CISPEP 2 PRO B 201 PRO B 202 0 0.07 SITE 1 ACA 8 ASP A 82 ASP A 93 HIS A 153 GLU A 187 SITE 2 ACA 8 GLU A 280 CO A 296 CO A 297 HOH A 307 SITE 1 ACB 8 ASP B 82 ASP B 93 HIS B 153 GLU B 187 SITE 2 ACB 8 GLU B 280 CO B 296 CO B 297 HOH B 310 SITE 1 AC1 6 ASP A 93 HIS A 153 GLU A 187 GLU A 280 SITE 2 AC1 6 CO A 297 HOH A 298 SITE 1 AC2 5 ASP A 82 ASP A 93 GLU A 280 CO A 296 SITE 2 AC2 5 HOH A 298 SITE 1 AC3 6 ASP B 93 HIS B 153 GLU B 187 GLU B 280 SITE 2 AC3 6 CO B 297 HOH B 301 SITE 1 AC4 5 ASP B 82 ASP B 93 GLU B 280 CO B 296 SITE 2 AC4 5 HOH B 301 CRYST1 51.903 83.286 70.267 90.00 105.87 90.00 P 1 21 1 4 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 0.019267 0.000000 0.005477 0.00000 SCALE2 0.000000 0.012007 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014795 0.00000 MTRIX1 1 -0.956232 -0.267113 0.119460 30.83950 1 MTRIX2 1 -0.279453 0.712624 -0.643485 27.26310 1 MTRIX3 1 0.086753 -0.648704 -0.756080 60.35910 1