HEADER HYDROLASE(ALPHA-AMINOACYLPEPTIDE) 02-DEC-92 1MAT TITLE STRUCTURE OF THE COBALT-DEPENDENT METHIONINE AMINOPEPTIDASE FROM TITLE 2 ESCHERICHIA COLI: A NEW TYPE OF PROTEOLYTIC ENZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHIONYL AMINOPEPTIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.11.18; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562 KEYWDS HYDROLASE(ALPHA-AMINOACYLPEPTIDE) EXPDTA X-RAY DIFFRACTION AUTHOR S.L.RODERICK,B.W.MATTHEWS REVDAT 4 14-FEB-24 1MAT 1 REMARK LINK REVDAT 3 29-NOV-17 1MAT 1 HELIX REVDAT 2 24-FEB-09 1MAT 1 VERSN REVDAT 1 31-JAN-94 1MAT 0 JRNL AUTH S.L.RODERICK,B.W.MATTHEWS JRNL TITL STRUCTURE OF THE COBALT-DEPENDENT METHIONINE AMINOPEPTIDASE JRNL TITL 2 FROM ESCHERICHIA COLI: A NEW TYPE OF PROTEOLYTIC ENZYME. JRNL REF BIOCHEMISTRY V. 32 3907 1993 JRNL REFN ISSN 0006-2960 JRNL PMID 8471602 JRNL DOI 10.1021/BI00066A009 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.L.RODERICK,B.W.MATTHEWS REMARK 1 TITL CRYSTALLIZATION OF METHIONINE AMINOPEPTIDASE FROM REMARK 1 TITL 2 ESCHERICHIA COLI REMARK 1 REF J.BIOL.CHEM. V. 263 16531 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.BEN-BASSAT,K.BAUER,S.-Y.CHANG,K.MYAMBO,A.BOOSMAN,S.CHANG REMARK 1 TITL PROCESSING OF THE INITIATION METHIONINE FROM PROTEINS: REMARK 1 TITL 2 PROPERTIES OF THE ESCHERICHIA COLI METHIONINE AMINOPEPTIDASE REMARK 1 TITL 3 AND ITS GENE STRUCTURE REMARK 1 REF J.BACTERIOL. V. 169 751 1987 REMARK 1 REFN ISSN 0021-9193 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.182 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1965 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 15 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.019 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.900 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : NULL ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : NULL ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : 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 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MAT 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_1000174910. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 30.85000 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 300 REMARK: THE TRANSFORMATION PRESENTED ON *MTRIX* RECORDS BELOW WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR PORTIONS OF THE CHAIN REMARK 300 WHEN APPLIED TO OTHER PORTIONS OF THE CHAIN AS FOLLOWS: REMARK 300 REMARK 300 APPLYING MTRIX TO YIELDS REMARK 300 ----------------- ----------------- REMARK 300 THR 119 - MET 139 ILE 11 - TYR 31 REMARK 300 VAL 140 - ILE 144 VAL 32 - VAL 36 REMARK 300 ASN 145 - ALA 159 SER 37 - ASN 51 REMARK 300 GLY 198 - ASN 208 GLY 91 - ILE 101 REMARK 300 LEU 230 - THR 241 PHE 105 - GLY 116 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 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLU A 9 CD OE1 OE2 REMARK 470 GLU A 12 CG CD OE1 OE2 REMARK 470 LYS A 13 CG CD CE NZ REMARK 470 ARG A 19 NE CZ NH1 NH2 REMARK 470 ARG A 43 CD NE CZ NH1 NH2 REMARK 470 ILE A 49 CD1 REMARK 470 LYS A 86 CD CE NZ REMARK 470 LEU A 87 CD1 CD2 REMARK 470 LEU A 88 CB CG CD1 CD2 REMARK 470 LYS A 89 CD CE NZ REMARK 470 LYS A 117 CG CD CE NZ REMARK 470 THR A 119 OG1 REMARK 470 ILE A 120 CD1 REMARK 470 GLU A 123 CG CD OE1 OE2 REMARK 470 ILE A 144 CD1 REMARK 470 LYS A 155 CE NZ REMARK 470 GLU A 167 CD OE1 OE2 REMARK 470 ARG A 189 NE CZ NH1 NH2 REMARK 470 VAL A 194 CG1 CG2 REMARK 470 LEU A 195 CG CD1 CD2 REMARK 470 LYS A 196 CE NZ REMARK 470 LYS A 211 CD CE NZ REMARK 470 LYS A 218 CG CD CE NZ REMARK 470 LYS A 226 CD CE NZ REMARK 470 ARG A 228 CD NE CZ NH1 NH2 REMARK 470 LYS A 252 NZ REMARK 470 GLU A 264 CD OE1 OE2 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 GLU A 23 CD GLU A 23 OE2 0.077 REMARK 500 GLU A 29 CD GLU A 29 OE2 0.080 REMARK 500 GLU A 40 CD GLU A 40 OE2 0.085 REMARK 500 GLU A 75 CD GLU A 75 OE2 0.075 REMARK 500 GLU A 148 CD GLU A 148 OE2 0.069 REMARK 500 GLU A 158 CD GLU A 158 OE2 0.078 REMARK 500 GLU A 179 CD GLU A 179 OE2 0.093 REMARK 500 GLU A 190 CD GLU A 190 OE2 0.081 REMARK 500 GLU A 204 CD GLU A 204 OE2 0.073 REMARK 500 GLU A 246 CD GLU A 246 OE2 0.070 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 10 CB - CG - OD2 ANGL. DEV. = -6.2 DEGREES REMARK 500 MET A 14 CG - SD - CE ANGL. DEV. = -10.0 DEGREES REMARK 500 TYR A 31 CB - CG - CD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 TYR A 31 CB - CG - CD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 GLU A 40 N - CA - CB ANGL. DEV. = 11.8 DEGREES REMARK 500 ASP A 42 CB - CG - OD1 ANGL. DEV. = 7.4 DEGREES REMARK 500 ASP A 42 CB - CG - OD2 ANGL. DEV. = -7.2 DEGREES REMARK 500 CYS A 78 CB - CA - C ANGL. DEV. = -17.7 DEGREES REMARK 500 ASP A 83 CB - CG - OD2 ANGL. DEV. = -6.2 DEGREES REMARK 500 LYS A 86 N - CA - CB ANGL. DEV. = 12.1 DEGREES REMARK 500 ASP A 90 CB - CG - OD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ASP A 92 CB - CG - OD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 ASP A 97 CB - CG - OD1 ANGL. DEV. = 9.6 DEGREES REMARK 500 ASP A 97 CB - CG - OD2 ANGL. DEV. = -7.1 DEGREES REMARK 500 ASP A 103 CB - CG - OD1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ASP A 103 CB - CG - OD2 ANGL. DEV. = -7.8 DEGREES REMARK 500 ASP A 108 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ASP A 187 CB - CG - OD1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ASP A 187 CB - CG - OD2 ANGL. DEV. = -7.4 DEGREES REMARK 500 THR A 202 N - CA - CB ANGL. DEV. = -11.4 DEGREES REMARK 500 ASP A 219 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ASP A 242 CB - CG - OD1 ANGL. DEV. = -7.5 DEGREES REMARK 500 ARG A 251 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ASP A 253 CB - CG - OD1 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP A 253 CB - CG - OD2 ANGL. DEV. = -8.2 DEGREES REMARK 500 THR A 255 CA - CB - CG2 ANGL. DEV. = -8.6 DEGREES REMARK 500 ASP A 263 CB - CG - OD2 ANGL. DEV. = -6.8 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 74 -99.20 47.63 REMARK 500 HIS A 79 20.37 38.35 REMARK 500 PRO A 82 105.33 -52.83 REMARK 500 LYS A 89 -121.60 -74.54 REMARK 500 LYS A 117 95.99 95.70 REMARK 500 PRO A 118 158.33 -38.29 REMARK 500 ASN A 192 84.29 -179.71 REMARK 500 GLU A 204 50.55 -140.09 REMARK 500 LYS A 212 11.03 -68.86 REMARK 500 ASP A 219 -7.85 -41.70 REMARK 500 TRP A 221 -58.86 -129.99 REMARK 500 THR A 222 109.21 -46.71 REMARK 500 ARG A 228 12.24 89.60 REMARK 500 THR A 255 44.39 -99.58 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 CO A 402 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 97 OD1 REMARK 620 2 ASP A 97 OD2 62.1 REMARK 620 3 ASP A 108 OD1 81.8 143.8 REMARK 620 4 GLU A 235 OE1 87.4 85.5 90.9 REMARK 620 N 1 2 3 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 108 OD2 REMARK 620 2 HIS A 171 NE2 77.7 REMARK 620 3 GLU A 204 OE2 144.8 87.5 REMARK 620 4 GLU A 235 OE2 83.1 122.3 78.1 REMARK 620 N 1 2 3 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW REMARK 700 TWO SHEETS ARE DEFINED. STRANDS 2, 3, AND 4 OF 1A AND 1B REMARK 700 ARE IDENTICAL. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 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 DBREF 1MAT A 1 264 UNP P07906 AMPM_ECOLI 1 264 SEQRES 1 A 264 MET ALA ILE SER ILE LYS THR PRO GLU ASP ILE GLU LYS SEQRES 2 A 264 MET ARG VAL ALA GLY ARG LEU ALA ALA GLU VAL LEU GLU SEQRES 3 A 264 MET ILE GLU PRO TYR VAL LYS PRO GLY VAL SER THR GLY SEQRES 4 A 264 GLU LEU ASP ARG ILE CYS ASN ASP TYR ILE VAL ASN GLU SEQRES 5 A 264 GLN HIS ALA VAL SER ALA CYS LEU GLY TYR HIS GLY TYR SEQRES 6 A 264 PRO LYS SER VAL CYS ILE SER ILE ASN GLU VAL VAL CYS SEQRES 7 A 264 HIS GLY ILE PRO ASP ASP ALA LYS LEU LEU LYS ASP GLY SEQRES 8 A 264 ASP ILE VAL ASN ILE ASP VAL THR VAL ILE LYS ASP GLY SEQRES 9 A 264 PHE HIS GLY ASP THR SER LYS MET PHE ILE VAL GLY LYS SEQRES 10 A 264 PRO THR ILE MET GLY GLU ARG LEU CYS ARG ILE THR GLN SEQRES 11 A 264 GLU SER LEU TYR LEU ALA LEU ARG MET VAL LYS PRO GLY SEQRES 12 A 264 ILE ASN LEU ARG GLU ILE GLY ALA ALA ILE GLN LYS PHE SEQRES 13 A 264 VAL GLU ALA GLU GLY PHE SER VAL VAL ARG GLU TYR CYS SEQRES 14 A 264 GLY HIS GLY ILE GLY ARG GLY PHE HIS GLU GLU PRO GLN SEQRES 15 A 264 VAL LEU HIS TYR ASP SER ARG GLU THR ASN VAL VAL LEU SEQRES 16 A 264 LYS PRO GLY MET THR PHE THR ILE GLU PRO MET VAL ASN SEQRES 17 A 264 ALA GLY LYS LYS GLU ILE ARG THR MET LYS ASP GLY TRP SEQRES 18 A 264 THR VAL LYS THR LYS ASP ARG SER LEU SER ALA GLN TYR SEQRES 19 A 264 GLU HIS THR ILE VAL VAL THR ASP ASN GLY CYS GLU ILE SEQRES 20 A 264 LEU THR LEU ARG LYS ASP ASP THR ILE PRO ALA ILE ILE SEQRES 21 A 264 SER HIS ASP GLU HET CO A 401 1 HET CO A 402 1 HETNAM CO COBALT (II) ION FORMUL 2 CO 2(CO 2+) FORMUL 4 HOH *15(H2 O) HELIX 1 A THR A 7 GLU A 29 1RELATED TO C BY PSEUDO-2 FOLD 23 HELIX 2 B SER A 37 HIS A 54 1RELATED TO D BY PSEUDO-2 FOLD 18 HELIX 3 C ILE A 120 VAL A 140 1RELATED TO A BY PSEUDO-2 FOLD 21 HELIX 4 D ASN A 145 GLU A 160 1RELATED TO B BY PSEUDO-2 FOLD 16 SHEET 1 1A 5 VAL A 56 ALA A 58 0 SHEET 2 1A 5 ASP A 92 LYS A 102 -1 O ILE A 101 N VAL A 56 SHEET 3 1A 5 HIS A 106 VAL A 115 -1 O THR A 109 N VAL A 98 SHEET 4 1A 5 SER A 231 VAL A 240 -1 N GLU A 235 O SER A 110 SHEET 5 1A 5 MET A 199 ALA A 209 -1 N PHE A 201 O ILE A 238 SHEET 1 1B 6 CYS A 70 ASN A 74 0 SHEET 2 1B 6 ASP A 92 LYS A 102 -1 N ASP A 97 O CYS A 70 SHEET 3 1B 6 HIS A 106 VAL A 115 -1 O THR A 109 N VAL A 98 SHEET 4 1B 6 SER A 231 VAL A 240 -1 N GLU A 235 O SER A 110 SHEET 5 1B 6 GLY A 244 LEU A 248 -1 N GLU A 246 O VAL A 239 SHEET 6 1B 6 ALA A 258 HIS A 262 -1 O ILE A 260 N CYS A 245 LINK OD1 ASP A 97 CO CO A 402 1555 1555 2.23 LINK OD2 ASP A 97 CO CO A 402 1555 1555 1.98 LINK OD2 ASP A 108 CO CO A 401 1555 1555 1.97 LINK OD1 ASP A 108 CO CO A 402 1555 1555 1.98 LINK NE2 HIS A 171 CO CO A 401 1555 1555 2.12 LINK OE2 GLU A 204 CO CO A 401 1555 1555 1.62 LINK OE2 GLU A 235 CO CO A 401 1555 1555 2.28 LINK OE1 GLU A 235 CO CO A 402 1555 1555 2.13 CISPEP 1 GLU A 180 PRO A 181 0 9.71 SITE 1 ACT 7 ASP A 97 ASP A 108 HIS A 171 GLU A 204 SITE 2 ACT 7 GLU A 235 CO A 401 ALA A 2 SITE 1 AC1 6 ASP A 108 HIS A 171 THR A 202 GLU A 204 SITE 2 AC1 6 GLU A 235 CO A 402 SITE 1 AC2 4 ASP A 97 ASP A 108 GLU A 235 CO A 401 CRYST1 39.000 61.700 54.500 90.00 107.30 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 0.025641 0.000000 0.007986 0.00000 SCALE2 0.000000 0.016207 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019218 0.00000 MTRIX1 1 0.333795 0.741892 0.581532 -63.26726 1 MTRIX2 1 0.657432 -0.625330 0.420413 52.73847 1 MTRIX3 1 0.675552 0.241987 -0.696475 76.57813 1