HEADER OXIDOREDUCTASE 14-MAR-92 1DR3 TITLE 2.3 ANGSTROMS CRYSTAL STRUCTURE OF CHICKEN LIVER DIHYDROFOLATE TITLE 2 REDUCTASE COMPLEXED WITH THIONADP+ AND BIOPTERIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 3 ORGANISM_COMMON: CHICKEN; SOURCE 4 ORGANISM_TAXID: 9031; SOURCE 5 ORGAN: LIVER KEYWDS OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.A.MCTIGUE,J.F.DAVIES /II,B.T.KAUFMAN,N.-H.XUONG,J.KRAUT REVDAT 6 07-FEB-24 1DR3 1 REMARK LINK REVDAT 5 29-NOV-17 1DR3 1 HELIX REVDAT 4 13-JUL-11 1DR3 1 VERSN REVDAT 3 24-FEB-09 1DR3 1 VERSN REVDAT 2 01-APR-03 1DR3 1 JRNL REVDAT 1 31-OCT-93 1DR3 0 JRNL AUTH M.A.MCTIGUE,J.F.DAVIES 2ND.,B.T.KAUFMAN,J.KRAUT JRNL TITL CRYSTAL STRUCTURES OF CHICKEN LIVER DIHYDROFOLATE REDUCTASE: JRNL TITL 2 BINARY THIONADP+ AND TERNARY THIONADP+.BIOPTERIN COMPLEXES. JRNL REF BIOCHEMISTRY V. 32 6855 1993 JRNL REFN ISSN 0006-2960 JRNL PMID 8334118 JRNL DOI 10.1021/BI00078A008 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.F.DAVIES II,T.J.DELCAMP,N.J.PRENDERGAST,V.A.ASHFORD, REMARK 1 AUTH 2 J.H.FREISHEIM,J.KRAUT REMARK 1 TITL CRYSTAL STRUCTURES OF RECOMBINANT HUMAN DIHYDROFOLATE REMARK 1 TITL 2 REDUCTASE COMPLEXED WITH FOLATE AND 5-DEAZAFOLATE REMARK 1 REF BIOCHEMISTRY V. 29 9467 1990 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.A.MATTHEWS,J.T.BOLIN,J.M.BURRIDGE,D.J.FILMAN,K.W.VOLZ, REMARK 1 AUTH 2 B.T.KAUFMAN,C.R.BEDDELL,J.N.CHAMPNESS,D.K.STAMMERS,J.KRAUT REMARK 1 TITL REFINED CRYSTAL STRUCTURE OF ESCHERICHIA COLI AND CHICKEN REMARK 1 TITL 2 LIVER DIHYDROFOLATE REDUCTASE CONTAINING BOUND TRIMETHOPRIM REMARK 1 REF J.BIOL.CHEM. V. 260 381 1985 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 3 REMARK 1 AUTH D.A.MATTHEWS,J.T.BOLIN,J.M.BURRIDGE,D.J.FILMAN,K.W.VOLZ, REMARK 1 AUTH 2 J.KRAUT REMARK 1 TITL DIHYDROFOLATE REDUCTASE, THE STEREOCHEMISTRY OF INHIBITOR REMARK 1 TITL 2 SELECTIVITY REMARK 1 REF J.BIOL.CHEM. V. 260 392 1985 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 4 REMARK 1 AUTH K.W.VOLZ,D.A.MATTHEWS,R.A.ALDEN,S.T.FREER,C.HANSCH, REMARK 1 AUTH 2 B.T.KAUFMAN,J.KRAUT REMARK 1 TITL CRYSTAL STRUCTURE OF AVIAN DIHYDROFOLATE REDUCTASE REMARK 1 TITL 2 CONTAINING PHENYLTRIAZINE AND NADPH REMARK 1 REF J.BIOL.CHEM. V. 257 2528 1982 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 5 REMARK 1 AUTH A.A.KUMAR,D.T.BLANKENSHIP,B.T.KAUFMAN,J.H.FREISHEIM REMARK 1 TITL PRIMARY STRUCTURE OF CHICKEN LIVER DIHYDROFOLATE REDUCTASE REMARK 1 REF BIOCHEMISTRY V. 19 667 1980 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 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 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.140 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 FIT/AGREEMENT OF MODEL WITH ALL DATA. 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 : 1489 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 66 REMARK 3 SOLVENT ATOMS : 110 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.016 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.800 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DR3 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_1000172897. 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 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 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 (%): 53.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 44.60000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.15500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 44.60000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.15500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 52.54307 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 52.74241 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 CA CA A 200 LIES ON A SPECIAL POSITION. 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 LEU A 187 REMARK 465 ALA A 188 REMARK 465 GLN A 189 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 ARG A 2 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 80 CE NZ REMARK 470 GLU A 104 CB CG CD OE1 OE2 REMARK 470 LYS A 178 CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O PRO A 163 O HOH A 632 2.04 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 GLU A 44 CA - CB - CG ANGL. DEV. = 16.8 DEGREES REMARK 500 ARG A 65 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 LEU A 97 CB - CA - C ANGL. DEV. = 12.7 DEGREES REMARK 500 ASP A 168 CB - CG - OD1 ANGL. DEV. = 7.1 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 102 151.22 -45.89 REMARK 500 ASP A 110 -88.27 -95.83 REMARK 500 LEU A 139 48.73 -79.16 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 CA A 200 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 78 OE2 REMARK 620 2 GLU A 78 OE2 99.9 REMARK 620 3 TAP A 191 O3X 94.6 88.8 REMARK 620 4 TAP A 191 O3X 86.9 88.3 177.0 REMARK 620 5 HOH A 278 O 90.9 167.7 84.3 98.3 REMARK 620 6 HOH A 278 O 164.4 86.0 99.9 78.8 85.1 REMARK 620 N 1 2 3 4 5 REMARK 650 REMARK 650 HELIX REMARK 650 RESIDUES 21-26 (NLPWPP) FORM LEFT-HANDED POLYPROLINE HELIX. REMARK 650 RESIDUE 102 PARTICIPATES IN BOTH HELIX E AND HELIX EP. REMARK 650 RESIDUES 108 AND 109 PARTICIPATE IN BOTH HELIX EP AND BETA REMARK 650 STRAND E. REMARK 700 REMARK 700 SHEET REMARK 700 RESIDUES 110 AND 111 FORM A BETA-BULGE IN STRAND E. REMARK 700 RESIDUES 115 AND 116 FORM A BETA-BULGE IN STRAND E. REMARK 700 TIGHT TURN 7 (RESIDUES 162-165) DISRUPT LAST STRAND OF REMARK 700 SHEET INTO 2 STRANDS 8 AND 9. THIS STRAND IS CONTINUOUS REMARK 700 IN E. COLI. A BETA BULGE IS PRESENT HERE IN L. CASEI. REMARK 700 RESIDUES 172 AND 175 PARTICIPATE IN BOTH TIGHT-TURN 8 AND REMARK 700 BETA STRANDS 7 AND 9. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TAP A 191 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HBI A 198 DBREF 1DR3 A 1 189 UNP P00378 DYR_CHICK 1 189 SEQRES 1 A 189 VAL ARG SER LEU ASN SER ILE VAL ALA VAL CYS GLN ASN SEQRES 2 A 189 MET GLY ILE GLY LYS ASP GLY ASN LEU PRO TRP PRO PRO SEQRES 3 A 189 LEU ARG ASN GLU TYR LYS TYR PHE GLN ARG MET THR SER SEQRES 4 A 189 THR SER HIS VAL GLU GLY LYS GLN ASN ALA VAL ILE MET SEQRES 5 A 189 GLY LYS LYS THR TRP PHE SER ILE PRO GLU LYS ASN ARG SEQRES 6 A 189 PRO LEU LYS ASP ARG ILE ASN ILE VAL LEU SER ARG GLU SEQRES 7 A 189 LEU LYS GLU ALA PRO LYS GLY ALA HIS TYR LEU SER LYS SEQRES 8 A 189 SER LEU ASP ASP ALA LEU ALA LEU LEU ASP SER PRO GLU SEQRES 9 A 189 LEU LYS SER LYS VAL ASP MET VAL TRP ILE VAL GLY GLY SEQRES 10 A 189 THR ALA VAL TYR LYS ALA ALA MET GLU LYS PRO ILE ASN SEQRES 11 A 189 HIS ARG LEU PHE VAL THR ARG ILE LEU HIS GLU PHE GLU SEQRES 12 A 189 SER ASP THR PHE PHE PRO GLU ILE ASP TYR LYS ASP PHE SEQRES 13 A 189 LYS LEU LEU THR GLU TYR PRO GLY VAL PRO ALA ASP ILE SEQRES 14 A 189 GLN GLU GLU ASP GLY ILE GLN TYR LYS PHE GLU VAL TYR SEQRES 15 A 189 GLN LYS SER VAL LEU ALA GLN HET CA A 200 1 HET TAP A 191 48 HET HBI A 198 17 HETNAM CA CALCIUM ION HETNAM TAP 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETNAM HBI 7,8-DIHYDROBIOPTERIN HETSYN TAP TATP FORMUL 2 CA CA 2+ FORMUL 3 TAP C21 H28 N7 O16 P3 S FORMUL 4 HBI C9 H13 N5 O3 FORMUL 5 HOH *110(H2 O) HELIX 1 B LEU A 27 THR A 40 1 14 HELIX 2 C GLY A 53 SER A 59 1 7 HELIX 3 E SER A 92 SER A 102 1 11 HELIX 4 EP SER A 102 VAL A 109 1NOT PRESENT IN BACTERIAL 8 HELIX 5 F GLY A 117 LYS A 127 1 11 SHEET 1 1 8 TYR A 88 SER A 90 0 SHEET 2 1 8 ILE A 71 SER A 76 1 N VAL A 74 O TYR A 88 SHEET 3 1 8 GLN A 47 GLY A 53 1 O GLY A 53 N ILE A 73 SHEET 4 1 8 LYS A 108 GLY A 116 1 O TRP A 113 N ILE A 51 SHEET 5 1 8 LEU A 4 VAL A 10 1 O ASN A 5 N ILE A 114 SHEET 6 1 8 ASN A 130 LEU A 139 1 N PHE A 134 O SER A 6 SHEET 7 1 8 ILE A 175 SER A 185 -1 N TYR A 182 O LEU A 133 SHEET 8 1 8 LYS A 157 LEU A 159 -1 O LYS A 157 N GLN A 183 SHEET 1 2 8 TYR A 88 SER A 90 0 SHEET 2 2 8 ILE A 71 SER A 76 1 N VAL A 74 O TYR A 88 SHEET 3 2 8 GLN A 47 GLY A 53 1 O GLY A 53 N ILE A 73 SHEET 4 2 8 LYS A 108 GLY A 116 1 O TRP A 113 N ILE A 51 SHEET 5 2 8 LEU A 4 VAL A 10 1 O ASN A 5 N ILE A 114 SHEET 6 2 8 ASN A 130 LEU A 139 1 N PHE A 134 O SER A 6 SHEET 7 2 8 ILE A 175 SER A 185 -1 N TYR A 182 O LEU A 133 SHEET 8 2 8 ASP A 168 GLU A 172 -1 O GLN A 170 N TYR A 177 LINK OE2 GLU A 78 CA CA A 200 1555 1555 2.00 LINK OE2 GLU A 78 CA CA A 200 2656 1555 2.09 LINK O3X TAP A 191 CA CA A 200 1555 1555 2.26 LINK O3X TAP A 191 CA CA A 200 2656 1555 2.40 LINK CA CA A 200 O HOH A 278 1555 1555 2.11 LINK CA CA A 200 O HOH A 278 1555 2656 2.20 CISPEP 1 ARG A 65 PRO A 66 0 -6.81 CISPEP 2 GLY A 116 GLY A 117 0 5.85 SITE 1 AC1 3 GLU A 78 TAP A 191 HOH A 278 SITE 1 AC2 32 ALA A 9 ILE A 16 GLY A 17 GLY A 20 SITE 2 AC2 32 ASN A 21 LEU A 22 GLY A 53 LYS A 54 SITE 3 AC2 32 LYS A 55 THR A 56 LEU A 75 SER A 76 SITE 4 AC2 32 ARG A 77 GLU A 78 LYS A 91 SER A 92 SITE 5 AC2 32 VAL A 115 GLY A 117 THR A 118 ALA A 119 SITE 6 AC2 32 VAL A 120 TYR A 121 THR A 146 HBI A 198 SITE 7 AC2 32 CA A 200 HOH A 220 HOH A 278 HOH A 318 SITE 8 AC2 32 HOH A 392 HOH A 393 HOH A 493 HOH A 648 SITE 1 AC3 7 ILE A 7 LEU A 22 GLU A 30 PHE A 34 SITE 2 AC3 7 VAL A 115 TAP A 191 HOH A 648 CRYST1 89.200 48.310 64.230 90.00 124.80 90.00 C 1 2 1 4 ORIGX1 0.011211 0.000000 0.007792 0.00000 ORIGX2 0.000000 0.020700 0.000000 0.00000 ORIGX3 0.000000 0.000000 0.018960 0.00000 SCALE1 0.011211 0.000000 0.007792 0.00000 SCALE2 0.000000 0.020700 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018960 0.00000