HEADER HYDROLASE 13-JAN-05 1YJ3 TITLE CRYSTAL STRUCTURE ANALYSIS OF PRODUCT BOUND METHIONINE AMINOPEPTIDASE TITLE 2 TYPE 1C FROM MYCOBACTERIUM TUBERCULOSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHIONINE AMINOPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MAP, PEPTIDASE M; COMPND 5 EC: 3.4.11.18; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS; SOURCE 3 ORGANISM_TAXID: 1773; SOURCE 4 GENE: MAP, MAPB; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS PITA BREAD FOLD, COMPLEXED WITH TWO COBALT AND METHIONINE, C285 KEYWDS 2 MODIFICATION BY OXIDIZED BETA-MERCAPTO ETHANOL, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.ADDLAGATTA,M.L.QUILLIN,O.OMOTOSO,J.O.LIU,B.W.MATTHEWS REVDAT 4 23-AUG-23 1YJ3 1 REMARK SEQADV LINK REVDAT 3 11-OCT-17 1YJ3 1 REMARK REVDAT 2 24-FEB-09 1YJ3 1 VERSN REVDAT 1 05-JUL-05 1YJ3 0 JRNL AUTH A.ADDLAGATTA,M.L.QUILLIN,O.OMOTOSO,J.O.LIU,B.W.MATTHEWS JRNL TITL IDENTIFICATION OF AN SH3-BINDING MOTIF IN A NEW CLASS OF JRNL TITL 2 METHIONINE AMINOPEPTIDASES FROM MYCOBACTERIUM TUBERCULOSIS JRNL TITL 3 SUGGESTS A MODE OF INTERACTION WITH THE RIBOSOME. JRNL REF BIOCHEMISTRY V. 44 7166 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15882055 JRNL DOI 10.1021/BI0501176 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 31366 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) : 0.203 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3132 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 : 2153 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 321 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL 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) : 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THIS SEQUENCE OCCURS NATURALLY IN REMARK 3 MYCOBACTERIUM TUBERCULOSIS. REMARK 4 REMARK 4 1YJ3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JAN-05. REMARK 100 THE DEPOSITION ID IS D_1000031571. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 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 : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI MIRROR + NI FILTER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33032 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL 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) : 1.66 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.35200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1C21 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 2000 MONOMETHYL ETHER, BISTRIS, REMARK 280 OXIDIZED BETA-MERCAPTOETHANOL, PH 6.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298.0K 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 24.08000 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 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 PRO A 2 REMARK 465 SER A 3 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 MET A 233 SD MET A 233 CE -0.445 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 109 -109.65 39.25 REMARK 500 ASP A 118 -159.32 -156.60 REMARK 500 GLU A 238 60.51 -150.59 REMARK 500 TRP A 251 175.86 -57.24 REMARK 500 ASP A 253 -4.35 -52.44 REMARK 500 TRP A 255 -53.27 -120.58 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 K A 403 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 107 O REMARK 620 2 LEU A 108 O 67.1 REMARK 620 3 ASN A 109 N 70.3 35.2 REMARK 620 4 ASN A 109 O 123.5 59.3 56.1 REMARK 620 5 VAL A 111 O 93.5 77.2 112.1 91.0 REMARK 620 6 THR A 265 O 145.9 134.4 111.3 76.2 115.3 REMARK 620 7 HOH A 570 O 91.1 151.7 153.5 145.4 87.0 73.7 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 402 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 131 OD1 REMARK 620 2 ASP A 131 OD2 59.2 REMARK 620 3 ASP A 142 OD2 94.9 154.0 REMARK 620 4 GLU A 269 OE2 97.5 92.4 91.6 REMARK 620 5 MET A 500 O 156.3 99.2 106.3 92.6 REMARK 620 6 MET A 500 N 86.2 86.6 91.4 175.0 82.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 401 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 142 OD1 REMARK 620 2 HIS A 205 NE2 87.3 REMARK 620 3 GLU A 238 OE2 164.2 89.6 REMARK 620 4 GLU A 269 OE1 86.5 132.4 84.2 REMARK 620 5 MET A 500 O 90.5 126.1 103.9 101.0 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 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MET A 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BME A 425 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Y1N RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN THE APO FORM DBREF 1YJ3 A 1 285 UNP P0A5J2 AMPM_MYCTU 1 285 SEQADV 1YJ3 HIS A -5 UNP P0A5J2 EXPRESSION TAG SEQADV 1YJ3 HIS A -4 UNP P0A5J2 EXPRESSION TAG SEQADV 1YJ3 HIS A -3 UNP P0A5J2 EXPRESSION TAG SEQADV 1YJ3 HIS A -2 UNP P0A5J2 EXPRESSION TAG SEQADV 1YJ3 HIS A -1 UNP P0A5J2 EXPRESSION TAG SEQADV 1YJ3 HIS A 0 UNP P0A5J2 EXPRESSION TAG SEQRES 1 A 291 HIS HIS HIS HIS HIS HIS MET PRO SER ARG THR ALA LEU SEQRES 2 A 291 SER PRO GLY VAL LEU SER PRO THR ARG PRO VAL PRO ASN SEQRES 3 A 291 TRP ILE ALA ARG PRO GLU TYR VAL GLY LYS PRO ALA ALA SEQRES 4 A 291 GLN GLU GLY SER GLU PRO TRP VAL GLN THR PRO GLU VAL SEQRES 5 A 291 ILE GLU LYS MET ARG VAL ALA GLY ARG ILE ALA ALA GLY SEQRES 6 A 291 ALA LEU ALA GLU ALA GLY LYS ALA VAL ALA PRO GLY VAL SEQRES 7 A 291 THR THR ASP GLU LEU ASP ARG ILE ALA HIS GLU TYR LEU SEQRES 8 A 291 VAL ASP ASN GLY ALA TYR PRO SER THR LEU GLY TYR LYS SEQRES 9 A 291 GLY PHE PRO LYS SER CYS CYS THR SER LEU ASN GLU VAL SEQRES 10 A 291 ILE CYS HIS GLY ILE PRO ASP SER THR VAL ILE THR ASP SEQRES 11 A 291 GLY ASP ILE VAL ASN ILE ASP VAL THR ALA TYR ILE GLY SEQRES 12 A 291 GLY VAL HIS GLY ASP THR ASN ALA THR PHE PRO ALA GLY SEQRES 13 A 291 ASP VAL ALA ASP GLU HIS ARG LEU LEU VAL ASP ARG THR SEQRES 14 A 291 ARG GLU ALA THR MET ARG ALA ILE ASN THR VAL LYS PRO SEQRES 15 A 291 GLY ARG ALA LEU SER VAL ILE GLY ARG VAL ILE GLU SER SEQRES 16 A 291 TYR ALA ASN ARG PHE GLY TYR ASN VAL VAL ARG ASP PHE SEQRES 17 A 291 THR GLY HIS GLY ILE GLY THR THR PHE HIS ASN GLY LEU SEQRES 18 A 291 VAL VAL LEU HIS TYR ASP GLN PRO ALA VAL GLU THR ILE SEQRES 19 A 291 MET GLN PRO GLY MET THR PHE THR ILE GLU PRO MET ILE SEQRES 20 A 291 ASN LEU GLY ALA LEU ASP TYR GLU ILE TRP ASP ASP GLY SEQRES 21 A 291 TRP THR VAL VAL THR LYS ASP ARG LYS TRP THR ALA GLN SEQRES 22 A 291 PHE GLU HIS THR LEU LEU VAL THR ASP THR GLY VAL GLU SEQRES 23 A 291 ILE LEU THR CYS LEU HET CO A 401 1 HET CO A 402 1 HET K A 403 1 HET MET A 500 9 HET BME A 425 4 HETNAM CO COBALT (II) ION HETNAM K POTASSIUM ION HETNAM MET METHIONINE HETNAM BME BETA-MERCAPTOETHANOL FORMUL 2 CO 2(CO 2+) FORMUL 4 K K 1+ FORMUL 5 MET C5 H11 N O2 S FORMUL 6 BME C2 H6 O S FORMUL 7 HOH *321(H2 O) HELIX 1 1 THR A 43 ALA A 67 1 25 HELIX 2 2 THR A 73 ASN A 88 1 16 HELIX 3 3 ALA A 153 ASN A 172 1 20 HELIX 4 4 SER A 181 PHE A 194 1 14 SHEET 1 A 3 TYR A 91 PRO A 92 0 SHEET 2 A 3 ILE A 127 ILE A 136 -1 O TYR A 135 N TYR A 91 SHEET 3 A 3 CYS A 105 LEU A 108 -1 N SER A 107 O ASN A 129 SHEET 1 B 3 TYR A 91 PRO A 92 0 SHEET 2 B 3 ILE A 127 ILE A 136 -1 O TYR A 135 N TYR A 91 SHEET 3 B 3 VAL A 139 PRO A 148 -1 O PHE A 147 N VAL A 128 SHEET 1 C 3 VAL A 111 CYS A 113 0 SHEET 2 C 3 VAL A 257 THR A 259 -1 O VAL A 257 N ILE A 112 SHEET 3 C 3 TYR A 248 ILE A 250 -1 N GLU A 249 O VAL A 258 SHEET 1 D 3 ASN A 197 VAL A 198 0 SHEET 2 D 3 MET A 240 ASN A 242 -1 O ASN A 242 N ASN A 197 SHEET 3 D 3 THR A 265 GLN A 267 -1 O ALA A 266 N ILE A 241 SHEET 1 E 2 GLY A 204 HIS A 205 0 SHEET 2 E 2 VAL A 216 VAL A 217 -1 O VAL A 217 N GLY A 204 SHEET 1 F 3 THR A 234 ILE A 237 0 SHEET 2 F 3 HIS A 270 VAL A 274 -1 O LEU A 272 N PHE A 235 SHEET 3 F 3 VAL A 279 ILE A 281 -1 O GLU A 280 N LEU A 273 LINK SG CYS A 284 S2 BME A 425 1555 1555 2.14 LINK O SER A 107 K K A 403 1555 1555 3.00 LINK O LEU A 108 K K A 403 1555 1555 3.72 LINK N ASN A 109 K K A 403 1555 1555 3.67 LINK O ASN A 109 K K A 403 1555 1555 2.70 LINK O VAL A 111 K K A 403 1555 1555 2.71 LINK OD1 ASP A 131 CO CO A 402 1555 1555 2.20 LINK OD2 ASP A 131 CO CO A 402 1555 1555 2.22 LINK OD1 ASP A 142 CO CO A 401 1555 1555 2.17 LINK OD2 ASP A 142 CO CO A 402 1555 1555 2.08 LINK NE2 HIS A 205 CO CO A 401 1555 1555 2.11 LINK OE2 GLU A 238 CO CO A 401 1555 1555 2.12 LINK O THR A 265 K K A 403 1555 1555 2.73 LINK OE1 GLU A 269 CO CO A 401 1555 1555 2.01 LINK OE2 GLU A 269 CO CO A 402 1555 1555 2.11 LINK CO CO A 401 O MET A 500 1555 1555 1.92 LINK CO CO A 402 O MET A 500 1555 1555 2.06 LINK CO CO A 402 N MET A 500 1555 1555 2.20 LINK K K A 403 O HOH A 570 1555 1555 2.73 SITE 1 AC1 7 ASP A 142 HIS A 205 THR A 236 GLU A 238 SITE 2 AC1 7 GLU A 269 CO A 402 MET A 500 SITE 1 AC2 5 ASP A 131 ASP A 142 GLU A 269 CO A 401 SITE 2 AC2 5 MET A 500 SITE 1 AC3 6 SER A 107 LEU A 108 ASN A 109 VAL A 111 SITE 2 AC3 6 THR A 265 HOH A 570 SITE 1 AC4 15 TYR A 97 PHE A 100 CYS A 105 ASP A 131 SITE 2 AC4 15 THR A 133 ASP A 142 HIS A 205 PHE A 211 SITE 3 AC4 15 HIS A 212 GLU A 238 TRP A 255 GLU A 269 SITE 4 AC4 15 CO A 401 CO A 402 HOH A 767 SITE 1 AC5 3 HIS A 270 THR A 283 CYS A 284 CRYST1 49.360 48.160 56.540 90.00 95.05 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 0.020259 0.000000 0.001790 0.00000 SCALE2 0.000000 0.020764 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017756 0.00000