HEADER TRANSFERASE 13-DEC-00 1HQ2 TITLE CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E.COLI HPPK(R82A) WITH TITLE 2 MGAMPCPP AND 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN AT 1.25 ANGSTROM TITLE 3 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 2-AMINO-4-HYDROXY-6-HYDROXYMETHYLDIHYDROPTERIDINE COMPND 5 PYROPHOSPHOKINASE, HPPK; COMPND 6 EC: 2.7.6.3; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS PYROPHOSPHOKINASE, PYROPHOSPHORYL TRANSFER, CATALYTIC MECHANISM, KEYWDS 2 FOLATE, HPPK, PTERIN, 6-HYDROXYMETHYL-7, 8-DIHYDROPTERIN, TERNARY KEYWDS 3 COMPLEX, SUBSTRATE SPECIFICITY, ANTIMICROBIAL AGENT, DRUG DESIGN, KEYWDS 4 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.BLASZCZYK,X.JI REVDAT 5 30-AUG-23 1HQ2 1 AUTHOR JRNL REVDAT 4 09-AUG-23 1HQ2 1 REMARK REVDAT 3 27-OCT-21 1HQ2 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1HQ2 1 VERSN REVDAT 1 15-APR-03 1HQ2 0 JRNL AUTH J.BLASZCZYK,Y.LI,G.SHI,H.YAN,X.JI JRNL TITL DYNAMIC ROLES OF ARGININE RESIDUES 82 AND 92 OF ESCHERICHIA JRNL TITL 2 COLI 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE: JRNL TITL 3 CRYSTALLOGRAPHIC STUDIES JRNL REF BIOCHEMISTRY V. 42 1573 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 12578370 JRNL DOI 10.1021/BI0267994 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.XIAO,G.SHI,X.CHEN,H.YAN,X.JI REMARK 1 TITL CRYSTAL STRUCTURE OF 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN REMARK 1 TITL 2 PYROPHOSPHOKINASE, A POTENTIAL TARGET FOR THE DEVELOPMENT OF REMARK 1 TITL 3 NOVEL ANTIMICROBIAL AGENTS REMARK 1 REF STRUCTURE V. 7 489 1999 REMARK 1 REFN ISSN 0969-2126 REMARK 1 DOI 10.1016/S0969-2126(99)80065-3 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.BLASZCZYK,G.SHI,H.YAN,X.JI REMARK 1 TITL CATALYTIC CENTER ASSEMBLY OF HPPK AS REVEALED BY THE CRYSTAL REMARK 1 TITL 2 STRUCTURE OF A TERNARY COMPLEX AT 1.25 A RESOLUTION REMARK 1 REF STRUCTURE V. 8 1049 2000 REMARK 1 REFN ISSN 0969-2126 REMARK 1 DOI 10.1016/S0969-2126(00)00502-5 REMARK 2 REMARK 2 RESOLUTION. 1.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.134 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.134 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.172 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.186 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 1932 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 37252 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.097 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.132 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.056 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 1338 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 26465 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1261 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 64 REMARK 3 SOLVENT ATOMS : 332 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 1644.5 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 1297.0 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 9 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 14475 REMARK 3 NUMBER OF RESTRAINTS : 16997 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 ANGLE DISTANCES (A) : 0.027 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.031 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.156 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.143 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.199 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.016 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.044 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.079 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL. 91 (1975) 201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: FULL MATRIX LEAST-SQUARES PROCEDURE, REMARK 3 WITH BLOCK OF PARAMETERS SET FOR EACH CYCLE OF ANISOTROPIC REMARK 3 REFINEMENT REMARK 4 REMARK 4 1HQ2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-DEC-00. REMARK 100 THE DEPOSITION ID IS D_1000012505. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-NOV-00 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.96394 REMARK 200 MONOCHROMATOR : SILICON 111 REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39345 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.250 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 (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.211 REMARK 200 R MERGE (I) : 0.09200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 12.2875 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.29 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.08 REMARK 200 R MERGE FOR SHELL (I) : 0.57100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.678 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: 1EQO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, MAGNESIUM CHLORIDE, ACETATE, REMARK 280 GLYCEROL , PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 292.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 36.68600 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 18.92150 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 36.68600 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 18.92150 REMARK 290 SMTRY3 4 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 C ACT A 167 LIES ON A SPECIAL POSITION. REMARK 375 CH3 ACT A 167 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 266 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 324 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 495 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 496 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 497 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O ACT A 167 OXT ACT A 167 2556 0.00 REMARK 500 C ACT A 167 O ACT A 167 2556 1.25 REMARK 500 C ACT A 167 OXT ACT A 167 2556 1.25 REMARK 500 O ACT A 167 O ACT A 167 2556 2.14 REMARK 500 OXT ACT A 167 OXT ACT A 167 2556 2.15 REMARK 500 REMARK 500 REMARK: NULL 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 TRP A 158 C TRP A 158 OXT 0.116 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 41 NE - CZ - NH2 ANGL. DEV. = -4.6 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 SER A 13 79.02 67.53 REMARK 500 ASP A 49 54.83 -94.97 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 MG A 161 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 95 OD1 REMARK 620 2 ASP A 97 OD1 93.7 REMARK 620 3 APC A 171 O1B 89.7 98.6 REMARK 620 4 APC A 171 O1A 94.3 169.7 87.9 REMARK 620 5 HOH A 201 O 88.1 83.4 177.1 90.4 REMARK 620 6 HOH A 210 O 176.3 84.8 93.9 86.8 88.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 162 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 95 OD2 REMARK 620 2 ASP A 97 OD2 92.2 REMARK 620 3 APC A 171 O3G 175.1 92.5 REMARK 620 4 APC A 171 O1B 88.2 100.3 90.1 REMARK 620 5 PH2 A 181 O4 83.7 172.0 91.6 86.6 REMARK 620 6 HOH A 208 O 90.5 91.3 90.4 168.3 81.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 161 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 162 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 163 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 164 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 165 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 166 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 167 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE APC A 171 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PH2 A 181 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HKA RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF APO-HPPK FROM E.COLI. REMARK 900 RELATED ID: 1EQM RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF BINARY COMPLEX OF HPPK FROM E.COLI WITH MGADP. REMARK 900 RELATED ID: 1EQ0 RELATED DB: PDB REMARK 900 SOLUTION STRUCTURE OF BINARY COMPLEX OF HPPK FROM E.COLI WITH REMARK 900 MGAMPPCP. REMARK 900 RELATED ID: 1EQO RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TERNARY COMPLEX OF HPPK FROM E.COLI WITH REMARK 900 MGAMPCPP AND 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN. REMARK 900 RELATED ID: 1EX8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HPPK FROM E.COLI COMPLEXED WITH HP4A, A TWO- REMARK 900 SUBSTRATE-MIMICKING INHIBITOR. REMARK 900 RELATED ID: 1CBK RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF BINARY COMPLEX OF HPPK FROM H.INFLUENZAE WITH REMARK 900 A 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN ANALOG. REMARK 900 RELATED ID: 1DY3 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TERNARY COMPLEX OF HPPK FROM E.COLI WITH MGATP REMARK 900 AND A 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN ANALOG. REMARK 900 RELATED ID: 1F9Y RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TERNARY COMPLEX OF HPPK FROM E.COLI WITH REMARK 900 MGAMPCPP AND 6-HYDROXYMETHYLPTERIN. REMARK 900 RELATED ID: 1F9H RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF TERNARY COMPLEX OF HPPK(R92A) FROM E.COLI WITH REMARK 900 MGAMPCPP AND 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN. REMARK 900 RELATED ID: 1G4C RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF APO-HPPK(R92A) FROM E.COLI. DBREF 1HQ2 A 1 158 UNP P26281 HPPK_ECOLI 1 158 SEQADV 1HQ2 ALA A 82 UNP P26281 ARG 82 ENGINEERED MUTATION SEQRES 1 A 158 THR VAL ALA TYR ILE ALA ILE GLY SER ASN LEU ALA SER SEQRES 2 A 158 PRO LEU GLU GLN VAL ASN ALA ALA LEU LYS ALA LEU GLY SEQRES 3 A 158 ASP ILE PRO GLU SER HIS ILE LEU THR VAL SER SER PHE SEQRES 4 A 158 TYR ARG THR PRO PRO LEU GLY PRO GLN ASP GLN PRO ASP SEQRES 5 A 158 TYR LEU ASN ALA ALA VAL ALA LEU GLU THR SER LEU ALA SEQRES 6 A 158 PRO GLU GLU LEU LEU ASN HIS THR GLN ARG ILE GLU LEU SEQRES 7 A 158 GLN GLN GLY ALA VAL ARG LYS ALA GLU ARG TRP GLY PRO SEQRES 8 A 158 ARG THR LEU ASP LEU ASP ILE MET LEU PHE GLY ASN GLU SEQRES 9 A 158 VAL ILE ASN THR GLU ARG LEU THR VAL PRO HIS TYR ASP SEQRES 10 A 158 MET LYS ASN ARG GLY PHE MET LEU TRP PRO LEU PHE GLU SEQRES 11 A 158 ILE ALA PRO GLU LEU VAL PHE PRO ASP GLY GLU MET LEU SEQRES 12 A 158 ARG GLN ILE LEU HIS THR ARG ALA PHE ASP LYS LEU ASN SEQRES 13 A 158 LYS TRP HET MG A 161 1 HET MG A 162 1 HET CL A 163 1 HET ACT A 164 4 HET ACT A 165 4 HET ACT A 166 4 HET ACT A 167 4 HET APC A 171 31 HET PH2 A 181 14 HETNAM MG MAGNESIUM ION HETNAM CL CHLORIDE ION HETNAM ACT ACETATE ION HETNAM APC DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER HETNAM PH2 2-AMINO-6-HYDROXYMETHYL-7,8-DIHYDRO-3H-PTERIDIN-4-ONE HETSYN APC ALPHA,BETA-METHYLENEADENOSINE-5'-TRIPHOSPHATE FORMUL 2 MG 2(MG 2+) FORMUL 4 CL CL 1- FORMUL 5 ACT 4(C2 H3 O2 1-) FORMUL 9 APC C11 H18 N5 O12 P3 FORMUL 10 PH2 C7 H9 N5 O2 FORMUL 11 HOH *332(H2 O) HELIX 1 1 SER A 13 ASP A 27 1 15 HELIX 2 2 ALA A 65 GLN A 80 1 16 HELIX 3 3 ASP A 117 ASN A 120 5 4 HELIX 4 4 ARG A 121 ALA A 132 1 12 HELIX 5 5 MET A 142 ALA A 151 1 10 SHEET 1 A 4 ASP A 95 PHE A 101 0 SHEET 2 A 4 VAL A 2 SER A 9 -1 N TYR A 4 O LEU A 100 SHEET 3 A 4 TYR A 53 THR A 62 -1 N LEU A 54 O SER A 9 SHEET 4 A 4 SER A 31 VAL A 36 -1 N HIS A 32 O GLU A 61 SHEET 1 B 5 ASP A 95 PHE A 101 0 SHEET 2 B 5 VAL A 2 SER A 9 -1 N TYR A 4 O LEU A 100 SHEET 3 B 5 TYR A 53 THR A 62 -1 N LEU A 54 O SER A 9 SHEET 4 B 5 TYR A 40 THR A 42 -1 O TYR A 40 N ASN A 55 SHEET 5 B 5 ASN A 156 LYS A 157 -1 O ASN A 156 N ARG A 41 SHEET 1 C 2 ILE A 106 ASN A 107 0 SHEET 2 C 2 THR A 112 VAL A 113 -1 O VAL A 113 N ILE A 106 LINK OD1 ASP A 95 MG MG A 161 1555 1555 2.05 LINK OD2 ASP A 95 MG MG A 162 1555 1555 2.16 LINK OD1 ASP A 97 MG MG A 161 1555 1555 2.08 LINK OD2 ASP A 97 MG MG A 162 1555 1555 2.01 LINK MG MG A 161 O1B APC A 171 1555 1555 2.11 LINK MG MG A 161 O1A APC A 171 1555 1555 2.06 LINK MG MG A 161 O HOH A 201 1555 1555 2.09 LINK MG MG A 161 O HOH A 210 1555 1555 2.10 LINK MG MG A 162 O3G APC A 171 1555 1555 2.02 LINK MG MG A 162 O1B APC A 171 1555 1555 2.16 LINK MG MG A 162 O4 PH2 A 181 1555 1555 2.14 LINK MG MG A 162 O HOH A 208 1555 1555 2.10 CISPEP 1 VAL A 113 PRO A 114 0 -1.96 SITE 1 AC1 6 ASP A 95 ASP A 97 MG A 162 APC A 171 SITE 2 AC1 6 HOH A 201 HOH A 210 SITE 1 AC2 6 ASP A 95 ASP A 97 MG A 161 APC A 171 SITE 2 AC2 6 PH2 A 181 HOH A 208 SITE 1 AC3 5 LYS A 119 PHE A 137 PRO A 138 ASP A 139 SITE 2 AC3 5 HOH A 279 SITE 1 AC4 5 TYR A 116 APC A 171 HOH A 205 HOH A 265 SITE 2 AC4 5 HOH A 301 SITE 1 AC5 6 GLU A 30 SER A 31 HIS A 32 HOH A 403 SITE 2 AC5 6 HOH A 404 HOH A 488 SITE 1 AC6 8 LEU A 11 PRO A 51 ALA A 65 PRO A 66 SITE 2 AC6 8 HOH A 254 HOH A 306 HOH A 380 HOH A 466 SITE 1 AC7 3 GLY A 46 HOH A 318 HOH A 451 SITE 1 AC8 29 GLN A 74 ARG A 84 TRP A 89 ARG A 92 SITE 2 AC8 29 ASP A 95 ASP A 97 ILE A 98 ARG A 110 SITE 3 AC8 29 LEU A 111 THR A 112 HIS A 115 TYR A 116 SITE 4 AC8 29 ARG A 121 MG A 161 MG A 162 ACT A 164 SITE 5 AC8 29 PH2 A 181 HOH A 201 HOH A 204 HOH A 208 SITE 6 AC8 29 HOH A 210 HOH A 229 HOH A 242 HOH A 257 SITE 7 AC8 29 HOH A 265 HOH A 268 HOH A 280 HOH A 305 SITE 8 AC8 29 HOH A 498 SITE 1 AC9 14 THR A 42 PRO A 43 LEU A 45 TYR A 53 SITE 2 AC9 14 ASN A 55 TRP A 89 ASP A 95 PHE A 123 SITE 3 AC9 14 MG A 162 APC A 171 HOH A 203 HOH A 208 SITE 4 AC9 14 HOH A 247 HOH A 253 CRYST1 73.372 37.843 58.018 90.00 117.18 90.00 C 1 2 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 0.013629 0.000000 0.006998 0.00000 SCALE2 0.000000 0.026425 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019376 0.00000