HEADER TRANSFERASE 15-JUN-07 2QB3 TITLE STRUCTURAL STUDIES REVEAL THE INACTIVATION OF E. COLI L-ASPARTATE TITLE 2 AMINOTRANSFERASE BY (S)-4,5-DIHYDRO-2-THIOPHENECARBOXYLIC ACID TITLE 3 (SADTA) VIA TWO MECHANISMS (AT PH 7.5) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ASPARTATE AMINOTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRANSAMINASE A, ASPAT; COMPND 5 EC: 2.6.1.1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: ASPC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: DH5ALPHA KEYWDS MECHANISM-BASED INACTIVATOR, PH DEPENDENCE, ASPARTATE KEYWDS 2 AMINOTRANSFERASE, SADTA, PLP, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR D.LIU,E.POZHARSKI,B.LEPORE,M.FU,R.B.SILVERMAN,G.A.PETSKO,D.RINGE REVDAT 3 13-JUL-11 2QB3 1 VERSN REVDAT 2 24-FEB-09 2QB3 1 VERSN REVDAT 1 04-DEC-07 2QB3 0 JRNL AUTH D.LIU,E.POZHARSKI,B.W.LEPORE,M.FU,R.B.SILVERMAN,G.A.PETSKO, JRNL AUTH 2 D.RINGE JRNL TITL INACTIVATION OF ESCHERICHIA COLI L-ASPARTATE JRNL TITL 2 AMINOTRANSFERASE BY JRNL TITL 3 (S)-4-AMINO-4,5-DIHYDRO-2-THIOPHENECARBOXYLIC ACID REVEALS JRNL TITL 4 "A TALE OF TWO MECHANISMS". JRNL REF BIOCHEMISTRY V. 46 10517 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17713924 JRNL DOI 10.1021/BI700663N REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 83931 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.144 REMARK 3 R VALUE (WORKING SET) : 0.142 REMARK 3 FREE R VALUE : 0.178 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4439 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 REFLECTION IN BIN (WORKING SET) : 6029 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.59 REMARK 3 BIN R VALUE (WORKING SET) : 0.1680 REMARK 3 BIN FREE R VALUE SET COUNT : 316 REMARK 3 BIN FREE R VALUE : 0.2310 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2978 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 92 REMARK 3 SOLVENT ATOMS : 414 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.83 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.24000 REMARK 3 B22 (A**2) : 0.77000 REMARK 3 B33 (A**2) : 0.46000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.061 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.058 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.032 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.815 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.973 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.958 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3671 ; 0.017 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5046 ; 1.903 ; 1.982 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 510 ; 6.048 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 181 ;33.251 ;24.199 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 631 ;13.781 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 29 ;15.588 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 547 ; 0.219 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2873 ; 0.010 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1943 ; 0.257 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 2432 ; 0.319 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 389 ; 0.194 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 125 ; 0.233 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 55 ; 0.186 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 2245 ; 2.007 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 3568 ; 2.854 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1600 ; 4.245 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1422 ; 5.719 ; 4.500 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2QB3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JUL-07. REMARK 100 THE RCSB ID CODE IS RCSB043375. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 169762 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 24.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : 6.30 REMARK 200 R MERGE FOR SHELL (I) : 0.51600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE WELL SOLUTIONS CONTAINED 25 MM REMARK 280 POTASSIUM PHOSPHATE AND 43% SATURATED AMMONIUM SULFATE WITH 20 MM REMARK 280 OF SADTA AT PH 7.5, EVAPORATION, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 39.41650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.41650 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 76.65800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.57250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 76.65800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.57250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 39.41650 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 76.65800 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.57250 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 39.41650 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 76.65800 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.57250 REMARK 290 SMTRY3 8 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 SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED BY REMARK 300 THE 2 FOLD AXIS: X, -Y, -Z. 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 12200 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -70.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 ALA A 10 REMARK 465 ASP A 11 REMARK 465 PRO A 12 REMARK 465 ILE A 13 REMARK 465 LEU A 14 REMARK 465 GLY A 15 REMARK 465 LEU A 16 REMARK 465 ARG A 21 REMARK 465 ALA A 22 REMARK 465 ASP A 23 REMARK 465 GLU A 24 REMARK 465 ARG A 25 REMARK 465 PRO A 26 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 NH1 ARG A 315 O1 GOL A 701 1.18 REMARK 500 OE2 GLU A 308 O3 GOL A 701 1.97 REMARK 500 O HOH A 1138 O HOH A 1152 2.09 REMARK 500 O3 GOL A 703 O HOH A 1154 2.10 REMARK 500 O HOH A 1114 O HOH A 1148 2.14 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 O HOH A 862 O HOH A 1018 4555 2.08 REMARK 500 OE2 GLU A 153 O HOH A 1177 6554 2.19 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 VAL A 35 CB VAL A 35 CG1 -0.126 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 145 NE - CZ - NH1 ANGL. DEV. = 3.4 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 THR A 43 66.74 -119.42 REMARK 500 TYR A 149 -45.81 -148.45 REMARK 500 HIS A 155 64.17 61.62 REMARK 500 ALA A 218 -71.06 -94.44 REMARK 500 TYR A 251 -64.21 -29.49 REMARK 500 ARG A 254 75.51 61.67 REMARK 500 ASN A 282 -70.61 -110.33 REMARK 500 SER A 284 -59.80 78.94 REMARK 500 ASN A 335 -41.22 88.89 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 801 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 802 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PSZ A 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PMP A 700 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 702 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 703 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 704 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 705 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 706 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 707 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2Q7W RELATED DB: PDB REMARK 900 THE SAME PROTEIN-INHIBITOR COMPLEX AT PH 6.0 REMARK 900 RELATED ID: 2QA3 RELATED DB: PDB REMARK 900 THE SAME PROTEIN-INHIBITOR COMPLEX AT PH 6.5 REMARK 900 RELATED ID: 2QB2 RELATED DB: PDB REMARK 900 THE SAME PROTEIN-INHIBITOR COMPLEX AT PH 7.0 DBREF 2QB3 A 1 396 UNP P00509 AAT_ECOLI 1 396 SEQRES 1 A 396 MET PHE GLU ASN ILE THR ALA ALA PRO ALA ASP PRO ILE SEQRES 2 A 396 LEU GLY LEU ALA ASP LEU PHE ARG ALA ASP GLU ARG PRO SEQRES 3 A 396 GLY LYS ILE ASN LEU GLY ILE GLY VAL TYR LYS ASP GLU SEQRES 4 A 396 THR GLY LYS THR PRO VAL LEU THR SER VAL LYS LYS ALA SEQRES 5 A 396 GLU GLN TYR LEU LEU GLU ASN GLU THR THR LYS ASN TYR SEQRES 6 A 396 LEU GLY ILE ASP GLY ILE PRO GLU PHE GLY ARG CYS THR SEQRES 7 A 396 GLN GLU LEU LEU PHE GLY LYS GLY SER ALA LEU ILE ASN SEQRES 8 A 396 ASP LYS ARG ALA ARG THR ALA GLN THR PRO GLY GLY THR SEQRES 9 A 396 GLY ALA LEU ARG VAL ALA ALA ASP PHE LEU ALA LYS ASN SEQRES 10 A 396 THR SER VAL LYS ARG VAL TRP VAL SER ASN PRO SER TRP SEQRES 11 A 396 PRO ASN HIS LYS SER VAL PHE ASN SER ALA GLY LEU GLU SEQRES 12 A 396 VAL ARG GLU TYR ALA TYR TYR ASP ALA GLU ASN HIS THR SEQRES 13 A 396 LEU ASP PHE ASP ALA LEU ILE ASN SER LEU ASN GLU ALA SEQRES 14 A 396 GLN ALA GLY ASP VAL VAL LEU PHE HIS GLY CYS CYS HIS SEQRES 15 A 396 ASN PRO THR GLY ILE ASP PRO THR LEU GLU GLN TRP GLN SEQRES 16 A 396 THR LEU ALA GLN LEU SER VAL GLU LYS GLY TRP LEU PRO SEQRES 17 A 396 LEU PHE ASP PHE ALA TYR GLN GLY PHE ALA ARG GLY LEU SEQRES 18 A 396 GLU GLU ASP ALA GLU GLY LEU ARG ALA PHE ALA ALA MET SEQRES 19 A 396 HIS LYS GLU LEU ILE VAL ALA SER SER TYR SER KST ASN SEQRES 20 A 396 PHE GLY LEU TYR ASN GLU ARG VAL GLY ALA CYS THR LEU SEQRES 21 A 396 VAL ALA ALA ASP SER GLU THR VAL ASP ARG ALA PHE SER SEQRES 22 A 396 GLN MET LYS ALA ALA ILE ARG ALA ASN TYR SER ASN PRO SEQRES 23 A 396 PRO ALA HIS GLY ALA SER VAL VAL ALA THR ILE LEU SER SEQRES 24 A 396 ASN ASP ALA LEU ARG ALA ILE TRP GLU GLN GLU LEU THR SEQRES 25 A 396 ASP MET ARG GLN ARG ILE GLN ARG MET ARG GLN LEU PHE SEQRES 26 A 396 VAL ASN THR LEU GLN GLU LYS GLY ALA ASN ARG ASP PHE SEQRES 27 A 396 SER PHE ILE ILE LYS GLN ASN GLY MET PHE SER PHE SER SEQRES 28 A 396 GLY LEU THR LYS GLU GLN VAL LEU ARG LEU ARG GLU GLU SEQRES 29 A 396 PHE GLY VAL TYR ALA VAL ALA SER GLY ARG VAL ASN VAL SEQRES 30 A 396 ALA GLY MET THR PRO ASP ASN MET ALA PRO LEU CYS GLU SEQRES 31 A 396 ALA ILE VAL ALA VAL LEU MODRES 2QB3 KST A 246 LYS N~6~-(5-CARBOXY-3-THIENYL)-L-LYSINE HET KST A 246 22 HET SO4 A 801 5 HET SO4 A 802 5 HET PSZ A 600 24 HET PMP A 700 16 HET GOL A 701 6 HET GOL A 702 6 HET GOL A 703 12 HET GOL A 704 6 HET GOL A 705 6 HET GOL A 706 6 HET GOL A 707 6 HETNAM KST N~6~-(5-CARBOXY-3-THIENYL)-L-LYSINE HETNAM SO4 SULFATE ION HETNAM PSZ 4-[({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY) HETNAM 2 PSZ METHYL]PYRIDIN-4-YL}METHYL)AMINO]THIOPHENE-2- HETNAM 3 PSZ CARBOXYLIC ACID HETNAM PMP 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE HETNAM GOL GLYCEROL HETSYN PMP PYRIDOXAMINE-5'-PHOSPHATE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 1 KST C11 H16 N2 O4 S FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 PSZ C13 H15 N2 O7 P S FORMUL 5 PMP C8 H13 N2 O5 P FORMUL 6 GOL 7(C3 H8 O3) FORMUL 13 HOH *414(H2 O) HELIX 1 1 LEU A 46 GLU A 60 1 15 HELIX 2 2 ILE A 71 GLY A 84 1 14 HELIX 3 3 SER A 87 ASP A 92 1 6 HELIX 4 4 PRO A 101 THR A 118 1 18 HELIX 5 5 PRO A 131 ALA A 140 1 10 HELIX 6 6 ASP A 158 ASN A 167 1 10 HELIX 7 7 THR A 190 GLY A 205 1 16 HELIX 8 8 GLY A 220 ALA A 225 1 6 HELIX 9 9 ALA A 225 HIS A 235 1 11 HELIX 10 10 LEU A 250 ARG A 254 5 5 HELIX 11 11 ASP A 264 ALA A 281 1 18 HELIX 12 12 PRO A 287 SER A 299 1 13 HELIX 13 13 ASN A 300 LYS A 332 1 33 HELIX 14 14 SER A 339 GLN A 344 1 6 HELIX 15 15 THR A 354 GLY A 366 1 13 HELIX 16 16 ALA A 378 MET A 380 5 3 HELIX 17 17 ASN A 384 LEU A 396 1 13 SHEET 1 A 2 ILE A 29 ASN A 30 0 SHEET 2 A 2 VAL A 367 TYR A 368 1 O TYR A 368 N ILE A 29 SHEET 1 B 7 ALA A 95 THR A 100 0 SHEET 2 B 7 GLY A 256 VAL A 261 -1 O LEU A 260 N ARG A 96 SHEET 3 B 7 LEU A 238 SER A 243 -1 N VAL A 240 O THR A 259 SHEET 4 B 7 LEU A 207 PHE A 212 1 N PHE A 210 O ALA A 241 SHEET 5 B 7 VAL A 174 HIS A 178 1 N PHE A 177 O ASP A 211 SHEET 6 B 7 ARG A 122 ASN A 127 1 N TRP A 124 O LEU A 176 SHEET 7 B 7 GLU A 143 ALA A 148 1 O TYR A 147 N ASN A 127 SHEET 1 C 2 TYR A 150 ASP A 151 0 SHEET 2 C 2 THR A 156 LEU A 157 -1 O THR A 156 N ASP A 151 SHEET 1 D 2 PHE A 348 PHE A 350 0 SHEET 2 D 2 ARG A 374 ASN A 376 -1 O VAL A 375 N SER A 349 LINK C SER A 245 N KST A 246 1555 1555 1.38 LINK C KST A 246 N ASN A 247 1555 1555 1.40 CISPEP 1 ASN A 127 PRO A 128 0 5.26 CISPEP 2 ASN A 183 PRO A 184 0 18.94 SITE 1 AC1 3 PRO A 72 ARG A 76 HOH A 887 SITE 1 AC2 5 LYS A 134 ASN A 138 GLU A 143 VAL A 144 SITE 2 AC2 5 ARG A 145 SITE 1 AC3 18 ILE A 33 GLY A 34 TYR A 65 GLY A 103 SITE 2 AC3 18 THR A 104 TRP A 130 ASN A 183 ASP A 211 SITE 3 AC3 18 TYR A 214 SER A 243 SER A 245 KST A 246 SITE 4 AC3 18 ARG A 254 PHE A 348 ARG A 374 GOL A 707 SITE 5 AC3 18 HOH A 808 HOH A 967 SITE 1 AC4 12 TYR A 65 GLY A 103 THR A 104 TRP A 130 SITE 2 AC4 12 ASN A 183 ASP A 211 TYR A 214 SER A 243 SITE 3 AC4 12 SER A 245 KST A 246 ARG A 254 HOH A 808 SITE 1 AC5 8 GLY A 216 GLY A 220 LEU A 221 GLU A 308 SITE 2 AC5 8 LEU A 311 THR A 312 ARG A 315 HOH A1081 SITE 1 AC6 9 TYR A 36 THR A 43 PRO A 44 LEU A 46 SITE 2 AC6 9 KST A 246 GLY A 249 TYR A 251 MET A 314 SITE 3 AC6 9 HOH A 978 SITE 1 AC7 11 PRO A 72 GLY A 75 ARG A 76 GLN A 79 SITE 2 AC7 11 ALA A 95 ARG A 96 THR A 97 HOH A 803 SITE 3 AC7 11 HOH A 873 HOH A1099 HOH A1154 SITE 1 AC8 4 ARG A 315 GLN A 316 GLN A 319 HOH A 964 SITE 1 AC9 7 TYR A 55 THR A 296 ASN A 300 HOH A 958 SITE 2 AC9 7 HOH A1060 HOH A1115 HOH A1201 SITE 1 BC1 6 GLY A 41 THR A 381 HOH A 984 HOH A1052 SITE 2 BC1 6 HOH A1148 HOH A1204 SITE 1 BC2 9 ILE A 33 TYR A 65 KST A 246 ARG A 280 SITE 2 BC2 9 ASN A 285 PSZ A 600 HOH A 808 HOH A 863 SITE 3 BC2 9 HOH A1022 CRYST1 153.316 85.145 78.833 90.00 90.00 90.00 C 2 2 21 8 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 0.006522 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011745 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012685 0.00000