HEADER ISOMERASE 05-MAR-99 1CD5 TITLE GLUCOSAMINE-6-PHOSPHATE DEAMINASE FROM E.COLI, T CONFORMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (GLUCOSAMINE 6-PHOSPHATE DEAMINASE); COMPND 3 CHAIN: A; COMPND 4 EC: 5.3.1.10; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ALLOSTERIC ENZYME, ENTROPIC EFFECTS, ALDOSE-KETOSE ISOMERASE, KEYWDS 2 ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR E.HORJALES,M.M.ALTAMIRANO,M.L.CALCAGNO,R.C.GARRATT,G.OLIVA REVDAT 3 13-JUL-11 1CD5 1 VERSN REVDAT 2 24-FEB-09 1CD5 1 VERSN REVDAT 1 06-MAR-00 1CD5 0 JRNL AUTH E.HORJALES,M.M.ALTAMIRANO,M.L.CALCAGNO,R.C.GARRATT,G.OLIVA JRNL TITL THE ALLOSTERIC TRANSITION OF GLUCOSAMINE-6-PHOSPHATE JRNL TITL 2 DEAMINASE: THE STRUCTURE OF THE T STATE AT 2.3 A RESOLUTION. JRNL REF STRUCTURE FOLD.DES. V. 7 527 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10378272 JRNL DOI 10.1016/S0969-2126(99)80069-0 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 29545 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.252 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3829 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3366 REMARK 3 BIN R VALUE (WORKING SET) : 0.3180 REMARK 3 BIN FREE R VALUE : 0.3500 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 392 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2092 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 141 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 41.60 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) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.50 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.39 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 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CD5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAR-99. REMARK 100 THE RCSB ID CODE IS RCSB000591. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 277 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.07 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (AGROVATA, SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30597 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 7.00000 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 34.00000 REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE, X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1DEA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 78.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM ACETATE, HEPES, PH 7.0, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z REMARK 290 10555 -Y,-X,-Z+1/2 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/2 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 69.55500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 69.55500 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 69.55500 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 69.55500 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 69.55500 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 69.55500 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: HEXAMERIC 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 -0.500000 -0.866025 0.000000 129.81000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 64.90500 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 112.41876 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.500000 -0.866025 0.000000 64.90500 REMARK 350 BIOMT2 4 -0.866025 -0.500000 0.000000 112.41876 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 69.55500 REMARK 350 BIOMT1 5 -1.000000 0.000000 0.000000 129.81000 REMARK 350 BIOMT2 5 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 5 0.000000 0.000000 -1.000000 69.55500 REMARK 350 BIOMT1 6 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 6 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 6 0.000000 0.000000 -1.000000 69.55500 REMARK 400 REMARK 400 COMPOUND REMARK 400 AS THIS STRUCTURE PRESENTS THE ENZYME WITHOUT LIGANDS IT REMARK 400 CORRESPOND TO THE T-CONFORMER OF THIS ALLOSTERIC ENZYME. REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 HIS A 164 CB CG ND1 CD2 CE1 NE2 REMARK 480 ARG A 167 CB CG CD NE CZ NH1 NH2 REMARK 480 ARG A 172 N CA C O CB CG CD REMARK 480 ARG A 172 NE CZ NH1 NH2 REMARK 480 PHE A 173 N CA C O CB CG CD1 REMARK 480 PHE A 173 CD2 CE1 CE2 CZ REMARK 480 ASP A 175 N CA C O CB CG OD1 REMARK 480 ASP A 175 OD2 REMARK 480 ASN A 179 N CA C O CB CG OD1 REMARK 480 ASN A 179 ND2 REMARK 480 GLN A 180 N CA C O CB CG CD REMARK 480 GLN A 180 OE1 NE2 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 HZ3 LYS A 79 HD22 ASN A 110 1.25 REMARK 500 H GLY A 265 H LEU A 266 1.27 REMARK 500 HD22 ASN A 25 H1 HOH A 603 1.34 REMARK 500 HD1 HIS A 81 H GLU A 83 1.35 REMARK 500 HZ3 LYS A 64 H2 HOH A 599 1.38 REMARK 500 HG1 THR A 8 H GLN A 11 1.40 REMARK 500 H ASN A 176 H ASP A 177 1.42 REMARK 500 HD22 ASN A 70 H1 HOH A 532 1.48 REMARK 500 HH11 ARG A 91 H1 HOH A 595 1.51 REMARK 500 HD1 HIS A 232 H LYS A 234 1.52 REMARK 500 HH11 ARG A 23 H2 HOH A 554 1.55 REMARK 500 HG1 THR A 30 H ARG A 33 1.57 REMARK 500 H ALA A 211 H1 HOH A 507 1.57 REMARK 500 H1 HOH A 610 O HOH A 611 1.58 REMARK 500 REMARK 500 REMARK: NULL 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 H1 HOH A 515 H1 HOH A 515 9765 1.53 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 LEU A 193 CA - CB - CG ANGL. DEV. = 14.0 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 PHE A 93 -64.56 -144.47 REMARK 500 ASP A 98 36.14 -90.39 REMARK 500 ALA A 145 -130.35 44.94 REMARK 500 PHE A 174 62.76 -103.20 REMARK 500 ASP A 175 -62.08 73.37 REMARK 500 ASN A 176 14.24 156.38 REMARK 500 REMARK 500 REMARK: NULL DBREF 1CD5 A 1 266 UNP P0A759 NAGB_ECOLI 1 266 SEQRES 1 A 266 MET ARG LEU ILE PRO LEU THR THR ALA GLU GLN VAL GLY SEQRES 2 A 266 LYS TRP ALA ALA ARG HIS ILE VAL ASN ARG ILE ASN ALA SEQRES 3 A 266 PHE LYS PRO THR ALA ASP ARG PRO PHE VAL LEU GLY LEU SEQRES 4 A 266 PRO THR GLY GLY THR PRO MET THR THR TYR LYS ALA LEU SEQRES 5 A 266 VAL GLU MET HIS LYS ALA GLY GLN VAL SER PHE LYS HIS SEQRES 6 A 266 VAL VAL THR PHE ASN MET ASP GLU TYR VAL GLY LEU PRO SEQRES 7 A 266 LYS GLU HIS PRO GLU SER TYR TYR SER PHE MET HIS ARG SEQRES 8 A 266 ASN PHE PHE ASP HIS VAL ASP ILE PRO ALA GLU ASN ILE SEQRES 9 A 266 ASN LEU LEU ASN GLY ASN ALA PRO ASP ILE ASP ALA GLU SEQRES 10 A 266 CYS ARG GLN TYR GLU GLU LYS ILE ARG SER TYR GLY LYS SEQRES 11 A 266 ILE HIS LEU PHE MET GLY GLY VAL GLY ASN ASP GLY HIS SEQRES 12 A 266 ILE ALA PHE ASN GLU PRO ALA SER SER LEU ALA SER ARG SEQRES 13 A 266 THR ARG ILE LYS THR LEU THR HIS ASP THR ARG VAL ALA SEQRES 14 A 266 ASN SER ARG PHE PHE ASP ASN ASP VAL ASN GLN VAL PRO SEQRES 15 A 266 LYS TYR ALA LEU THR VAL GLY VAL GLY THR LEU LEU ASP SEQRES 16 A 266 ALA GLU GLU VAL MET ILE LEU VAL LEU GLY SER GLN LYS SEQRES 17 A 266 ALA LEU ALA LEU GLN ALA ALA VAL GLU GLY CYS VAL ASN SEQRES 18 A 266 HIS MET TRP THR ILE SER CYS LEU GLN LEU HIS PRO LYS SEQRES 19 A 266 ALA ILE MET VAL CYS ASP GLU PRO SER THR MET GLU LEU SEQRES 20 A 266 LYS VAL LYS THR LEU ARG TYR PHE ASN GLU LEU GLU ALA SEQRES 21 A 266 GLU ASN ILE LYS GLY LEU FORMUL 2 HOH *141(H2 O) HELIX 1 1 ALA A 9 PHE A 27 1 19 HELIX 2 2 THR A 44 LYS A 57 5 14 HELIX 3 3 TYR A 85 ASN A 92 1 8 HELIX 4 4 PHE A 94 HIS A 96 5 3 HELIX 5 5 ALA A 101 ASN A 103 5 3 HELIX 6 6 ILE A 114 TYR A 128 1 15 HELIX 7 7 HIS A 164 PHE A 173 1 10 HELIX 8 8 VAL A 190 LEU A 194 1 5 HELIX 9 9 SER A 206 VAL A 216 5 11 HELIX 10 10 THR A 225 LEU A 231 5 7 HELIX 11 11 GLU A 241 THR A 244 5 4 HELIX 12 12 VAL A 249 LEU A 258 1 10 HELIX 13 13 ALA A 260 ASN A 262 5 3 SHEET 1 A 4 ARG A 2 PRO A 5 0 SHEET 2 A 4 ALA A 235 CYS A 239 1 N MET A 237 O ARG A 2 SHEET 3 A 4 VAL A 199 VAL A 203 1 N VAL A 199 O ILE A 236 SHEET 4 A 4 PHE A 134 GLY A 136 1 N PHE A 134 O MET A 200 SHEET 1 B 2 PHE A 35 LEU A 39 0 SHEET 2 B 2 VAL A 66 ASN A 70 1 N VAL A 67 O PHE A 35 SHEET 1 C 3 ASP A 72 TYR A 74 0 SHEET 2 C 3 TYR A 184 THR A 187 -1 N LEU A 186 O GLU A 73 SHEET 3 C 3 ARG A 158 THR A 161 -1 N LYS A 160 O ALA A 185 CRYST1 129.810 129.810 139.110 90.00 90.00 120.00 P 63 2 2 12 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 0.007703 0.004448 0.000000 0.00000 SCALE2 0.000000 0.008895 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007188 0.00000