4MAT - Header Asymmetric Unit

HEADER HYDROLASE 29-MAR-99 4MAT

TITLE E.COLI METHIONINE AMINOPEPTIDASE HIS79ALA MUTANT

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (METHIONINE AMINOPEPTIDASE); COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.11.18; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 OTHER_DETAILS: SITE-DIRECTED MUTANT

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_CELL_LINE: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET28B

KEYWDS HYDROLASE(ALPHA-AMINOACYLPEPTIDE), SITE-DIRECTED MUTANT

EXPDTA X-RAY DIFFRACTION

AUTHOR W.T.LOWTHER,A.M.ORVILLE,D.T.MADDEN,S.LIM,D.H.RICH, AUTHOR 2 B.W.MATTHEWS

REVDAT 4 24-FEB-09 4MAT 1 VERSN REVDAT 3 01-APR-03 4MAT 1 JRNL REVDAT 2 23-JUN-00 4MAT 3 COMPND REMARK DBREF SEQADV REVDAT 2 2 3 SITE ATOM HEADER REVDAT 1 18-JUN-99 4MAT 0

JRNL AUTH W.T.LOWTHER,A.M.ORVILLE,D.T.MADDEN,S.LIM,D.H.RICH, JRNL AUTH 2 B.W.MATTHEWS JRNL TITL ESCHERICHIA COLI METHIONINE AMINOPEPTIDASE: JRNL TITL 2 IMPLICATIONS OF CRYSTALLOGRAPHIC ANALYSES OF THE JRNL TITL 3 NATIVE, MUTANT, AND INHIBITED ENZYMES FOR THE JRNL TITL 4 MECHANISM OF CATALYSIS. JRNL REF BIOCHEMISTRY V. 38 7678 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 10387007 JRNL DOI 10.1021/BI990684R

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.T.LOWTHER,D.A.MCMILLEN,A.M.ORVILLE,B.W.MATTHEWS REMARK 1 TITL THE ANTI-ANGIOGENIC AGENT FUMAGILLIN COVALENTLY REMARK 1 TITL 2 MODIFIES A CONSERVED ACTIVE- SITE HISTIDINE IN THE REMARK 1 TITL 3 ESCHERICHIA COLI METHIONINE AMINOPEPTIDASE REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 95 12153 1998 REMARK 1 REFN ISSN 0027-8424 REMARK 1 DOI 10.1073/PNAS.95.21.12153 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.L.RODERICK,B.W.MATTHEWS REMARK 1 TITL STRUCTURE OF THE COBALT-DEPENDENT METHIONINE REMARK 1 TITL 2 AMINOPEPTIDASE FROM ESCHERICHIA COLI: A NEW TYPE REMARK 1 TITL 3 OF PROTEOLYTIC ENZYME REMARK 1 REF BIOCHEMISTRY V. 32 3907 1993 REMARK 1 REFN ISSN 0006-2960

REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT V. 5-F PRERELEASE REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 16062 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) : NULL 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) : 0.1840 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) : 16062 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2052 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : 16.200 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.012 ; 0.800 ; 2087 REMARK 3 BOND ANGLES (DEGREES) : 2.380 ; 1.300 ; 2820 REMARK 3 TORSION ANGLES (DEGREES) : 17.100; 0.000 ; 1264 REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.008 ; 2.000 ; 52 REMARK 3 GENERAL PLANES (A) : 0.012 ; 5.000 ; 304 REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : 4.900 ; 1.000 ; 2087 REMARK 3 NON-BONDED CONTACTS (A) : 0.016 ; 10.000; 64 REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : TNT REMARK 3 KSOL : 0.92 REMARK 3 BSOL : 207.20 REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : TNT PROTGEO REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : TNT BCORREL V1.0 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 4MAT COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-APR-99. REMARK 100 THE RCSB ID CODE IS RCSB000753.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-OCT-97 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 7.0 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 : 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16062 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 28.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.2 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 4.70000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 22.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 70.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 21.00000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.400 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: 2MAT REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS OF THE HIS79ALA MUTANT REMARK 280 WERE OBTAINED BY MIXING THE APOENZYME RETAINING THE C-TERMINAL REMARK 280 HISS-TAG (6.7 MG/ML, 20 MM DTT, 25 MM HEPES PH 6.8, 25 MM REMARK 280 K2SO4, 100 MM NACL) WITH AN EQUAL VOLUME OF WELL SOLUTION (22- REMARK 280 27 % PEG 3400, 0.1 M HEPES PH 7.0, 200 MM NACL). DIFFRACTION REMARK 280 QUALITY CRYSTALS WERE OBTAINED AFTER MACROSEEDING INTO 20 UL REMARK 280 HANGING DROPS.

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 34.14900 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: 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 465 HIS A 273 REMARK 465 HIS A 274 REMARK 465 HIS A 275 REMARK 465 HIS A 276 REMARK 465 HIS A 277 REMARK 465 HIS A 278

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 LYS A 13 CE NZ REMARK 470 LYS A 33 CE NZ REMARK 470 GLU A 40 CG CD OE1 OE2 REMARK 470 HIS A 79 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 89 CG CD CE NZ REMARK 470 LYS A 117 CG CD CE NZ REMARK 470 ILE A 120 CD1 REMARK 470 ILE A 144 CD1 REMARK 470 GLU A 190 CB CG CD OE1 OE2 REMARK 470 LYS A 196 CD CE NZ REMARK 470 LYS A 211 CG CD CE NZ REMARK 470 ARG A 215 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 228 CD NE CZ NH1 NH2 REMARK 470 LYS A 252 CD CE NZ

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 12 CD GLU A 12 OE1 0.068 REMARK 500 GLU A 23 CD GLU A 23 OE2 0.071 REMARK 500 GLU A 26 CD GLU A 26 OE2 0.067 REMARK 500 GLU A 52 CD GLU A 52 OE2 0.075 REMARK 500 GLU A 75 CD GLU A 75 OE2 0.068 REMARK 500 GLU A 148 CD GLU A 148 OE2 0.072 REMARK 500 GLU A 264 CD GLU A 264 OE2 0.092 REMARK 500 GLU A 272 CD GLU A 272 OE2 0.067 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 ARG A 19 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 19 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ASP A 42 CB - CG - OD1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ASP A 42 CB - CG - OD2 ANGL. DEV. = -6.7 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ASP A 83 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP A 83 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 ASP A 90 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 ASP A 92 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 92 CB - CG - OD2 ANGL. DEV. = -5.8 DEGREES REMARK 500 ASP A 97 CB - CG - OD1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ASP A 97 CB - CG - OD2 ANGL. DEV. = -7.5 DEGREES REMARK 500 ASP A 108 CB - CG - OD1 ANGL. DEV. = 7.4 DEGREES REMARK 500 ASP A 108 CB - CG - OD2 ANGL. DEV. = -9.6 DEGREES REMARK 500 ARG A 138 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A 147 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ASP A 219 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 219 CB - CG - OD2 ANGL. DEV. = -6.5 DEGREES REMARK 500 ASP A 227 CB - CG - OD1 ANGL. DEV. = 8.3 DEGREES REMARK 500 ASP A 227 CB - CG - OD2 ANGL. DEV. = -10.0 DEGREES REMARK 500 ASP A 253 CB - CG - OD1 ANGL. DEV. = -7.2 DEGREES REMARK 500 ASP A 253 CB - CG - OD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 254 CB - CG - OD2 ANGL. DEV. = -6.2 DEGREES REMARK 500 ASP A 263 CB - CG - OD1 ANGL. DEV. = -6.3 DEGREES REMARK 500 ARG A 268 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 268 NE - CZ - NH2 ANGL. DEV. = -3.2 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 GLU A 29 -62.24 -24.24 REMARK 500 VAL A 50 -70.16 -77.10 REMARK 500 ALA A 55 -168.34 -129.40 REMARK 500 ASN A 74 -113.73 50.03 REMARK 500 HIS A 185 35.10 -93.79 REMARK 500 ASN A 192 84.31 -151.41 REMARK 500 GLU A 204 55.56 -153.77 REMARK 500 ASP A 219 -8.41 -50.64 REMARK 500 TRP A 221 -54.29 -127.58 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 NA A 501 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 74 O REMARK 620 2 VAL A 76 O 94.3 REMARK 620 3 SER A 231 O 95.4 123.2 REMARK 620 4 HOH A 533 O 137.3 113.1 95.8 REMARK 620 N 1 2 3

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: DINUCLEAR METAL CENTER REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 501

REMARK 999 REMARK 999 SEQUENCE REMARK 999 POLY-HISTIDINE TAGGED VARIANT REMARK 999 THIS PROTEIN WAS NOT TREATED WITH THROMBIN REMARK 999 AND THEREFORE CONTAINED ADDITIONAL RESIDUES REMARK 999 (LEU VAL PRO ARG GLY SER LEU GLU HIS HIS HIS REMARK 999 HIS HIS HIS)

DBREF 4MAT A 1 264 UNP P07906 AMPM_ECOLI 1 264

SEQADV 4MAT GLN A 175 UNP P07906 ARG 175 MUTATION SEQADV 4MAT HIS A 79 UNP P07906 HIS 79 MUTATION SEQADV 4MAT LEU A 265 UNP P07906 INSERTION SEQADV 4MAT VAL A 266 UNP P07906 INSERTION SEQADV 4MAT PRO A 267 UNP P07906 INSERTION SEQADV 4MAT ARG A 268 UNP P07906 INSERTION SEQADV 4MAT GLY A 269 UNP P07906 INSERTION SEQADV 4MAT SER A 270 UNP P07906 INSERTION SEQADV 4MAT LEU A 271 UNP P07906 INSERTION SEQADV 4MAT GLU A 272 UNP P07906 INSERTION

SEQRES 1 A 278 MET ALA ILE SER ILE LYS THR PRO GLU ASP ILE GLU LYS SEQRES 2 A 278 MET ARG VAL ALA GLY ARG LEU ALA ALA GLU VAL LEU GLU SEQRES 3 A 278 MET ILE GLU PRO TYR VAL LYS PRO GLY VAL SER THR GLY SEQRES 4 A 278 GLU LEU ASP ARG ILE CYS ASN ASP TYR ILE VAL ASN GLU SEQRES 5 A 278 GLN HIS ALA VAL SER ALA CYS LEU GLY TYR HIS GLY TYR SEQRES 6 A 278 PRO LYS SER VAL CYS ILE SER ILE ASN GLU VAL VAL CYS SEQRES 7 A 278 HIS GLY ILE PRO ASP ASP ALA LYS LEU LEU LYS ASP GLY SEQRES 8 A 278 ASP ILE VAL ASN ILE ASP VAL THR VAL ILE LYS ASP GLY SEQRES 9 A 278 PHE HIS GLY ASP THR SER LYS MET PHE ILE VAL GLY LYS SEQRES 10 A 278 PRO THR ILE MET GLY GLU ARG LEU CYS ARG ILE THR GLN SEQRES 11 A 278 GLU SER LEU TYR LEU ALA LEU ARG MET VAL LYS PRO GLY SEQRES 12 A 278 ILE ASN LEU ARG GLU ILE GLY ALA ALA ILE GLN LYS PHE SEQRES 13 A 278 VAL GLU ALA GLU GLY PHE SER VAL VAL ARG GLU TYR CYS SEQRES 14 A 278 GLY HIS GLY ILE GLY GLN GLY PHE HIS GLU GLU PRO GLN SEQRES 15 A 278 VAL LEU HIS TYR ASP SER ARG GLU THR ASN VAL VAL LEU SEQRES 16 A 278 LYS PRO GLY MET THR PHE THR ILE GLU PRO MET VAL ASN SEQRES 17 A 278 ALA GLY LYS LYS GLU ILE ARG THR MET LYS ASP GLY TRP SEQRES 18 A 278 THR VAL LYS THR LYS ASP ARG SER LEU SER ALA GLN TYR SEQRES 19 A 278 GLU HIS THR ILE VAL VAL THR ASP ASN GLY CYS GLU ILE SEQRES 20 A 278 LEU THR LEU ARG LYS ASP ASP THR ILE PRO ALA ILE ILE SEQRES 21 A 278 SER HIS ASP GLU LEU VAL PRO ARG GLY SER LEU GLU HIS SEQRES 22 A 278 HIS HIS HIS HIS HIS

HET NA A 501 1

HETNAM NA SODIUM ION

FORMUL 2 NA NA 1+ FORMUL 3 HOH *155(H2 O)

HELIX 1 A THR A 7 GLU A 29 1 23 HELIX 2 B SER A 37 HIS A 54 1 18 HELIX 3 C ILE A 120 VAL A 140 1 21 HELIX 4 D ASN A 145 GLU A 160 1 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 O ASN A 74 NA NA A 501 1555 1555 2.20 LINK O VAL A 76 NA NA A 501 1555 1555 2.26 LINK O SER A 231 NA NA A 501 1555 1555 2.33 LINK NA NA A 501 O HOH A 533 1555 1555 2.18

CISPEP 1 GLU A 180 PRO A 181 0 1.02

SITE 1 ACT 5 ASP A 97 ASP A 108 HIS A 171 GLU A 204 SITE 2 ACT 5 GLU A 235 SITE 1 AC1 4 ASN A 74 VAL A 76 SER A 231 HOH A 533

CRYST1 38.648 68.298 55.449 90.00 105.98 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 0.025874 0.000000 0.007412 0.00000

SCALE2 0.000000 0.014642 0.000000 0.00000

SCALE3 0.000000 0.000000 0.018760 0.00000