PDB Short entry for 1EKF HEADER TRANSFERASE 08-MAR-00 1EKF TITLE CRYSTALLOGRAPHIC STRUCTURE OF HUMAN BRANCHED CHAIN AMINO ACID TITLE 2 AMINOTRANSFERASE (MITOCHONDRIAL) COMPLEXED WITH PYRIDOXAL-5'- TITLE 3 PHOSPHATE AT 1.95 ANGSTROMS (ORTHORHOMBIC FORM) COMPND MOL_ID: 1; COMPND 2 MOLECULE: BRANCHED CHAIN AMINO ACID AMINOTRANSFERASE (MITOCHONDRIAL); COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: BCAT(M); COMPND 5 EC: 2.6.1.42; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-28A KEYWDS FOLD TYPE IV, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR N.H.YENNAWAR,J.H.DUNBAR,M.CONWAY,S.M.HUTSON,G.K.FARBER REVDAT 6 03-APR-24 1EKF 1 REMARK LINK REVDAT 5 13-JUL-11 1EKF 1 VERSN REVDAT 4 24-FEB-09 1EKF 1 VERSN REVDAT 3 01-APR-03 1EKF 1 JRNL REVDAT 2 04-APR-01 1EKF 1 JRNL REVDAT 1 08-MAR-01 1EKF 0 JRNL AUTH N.YENNAWAR,J.DUNBAR,M.CONWAY,S.HUTSON,G.FARBER JRNL TITL THE STRUCTURE OF HUMAN MITOCHONDRIAL BRANCHED-CHAIN JRNL TITL 2 AMINOTRANSFERASE. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 57 506 2001 JRNL REFN ISSN 0907-4449 JRNL PMID 11264579 JRNL DOI 10.1107/S0907444901001925 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.K.BLEDSOE,P.A.DAWSON,S.M.HUTSON REMARK 1 TITL CLONING OF THE RAT AND HUMAN MITOCHONDRIAL BRANCHED CHAIN REMARK 1 TITL 2 AMINOTRANSFERASES (BCATM) REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1339 9 1997 REMARK 1 REFN ISSN 0006-3002 REMARK 1 DOI 10.1016/S0167-4838(97)00044-7 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH AND HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.29 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 199264.810 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.8 REMARK 3 NUMBER OF REFLECTIONS : 48329 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 SET) : 0.222 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.200 REMARK 3 FREE R VALUE TEST SET COUNT : 3985 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 : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 63.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5517 REMARK 3 BIN R VALUE (WORKING SET) : 0.2640 REMARK 3 BIN FREE R VALUE : 0.3170 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 525 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5820 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 273 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -8.11000 REMARK 3 B22 (A**2) : -0.38000 REMARK 3 B33 (A**2) : 8.49000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.21 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) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.070 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 42.13 REMARK 3 REMARK 3 NCS MODEL : CONSTR 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE DENSITY FOR LOOP 172 TO 179 IN REMARK 3 MONOMER A IS WEAK. THE DENSITY FOR THE SAME LOOP IN MONOMER B IS REMARK 3 GOOD. REMARK 4 REMARK 4 1EKF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAR-00. REMARK 100 THE DEPOSITION ID IS D_1000010672. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-APR-99 REMARK 200 TEMPERATURE (KELVIN) : 223 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0721203 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48329 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 24.290 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.8 REMARK 200 DATA REDUNDANCY : 4.810 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.3400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.8 REMARK 200 DATA REDUNDANCY IN SHELL : 1.50 REMARK 200 R MERGE FOR SHELL (I) : 0.41400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: E. COLI BRANCHED CHAIN AMINO ACID REMARK 200 AMINOTRANSFERASE. REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG1500, HEPES, DTT, PH 7.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 34.69250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.50800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.51600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.50800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.69250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.51600 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER CONSTRUCTED FROM CHAIN A REMARK 300 AND CHAIN B. 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 REMARK 350 TOTAL BURIED SURFACE AREA: 5690 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28410 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 GLY A 338 N GLU A 340 2.12 REMARK 500 NH2 ARG A 106 O PRO B 209 2.15 REMARK 500 NE ARG B 102 O HOH B 421 2.17 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 74 CA - CB - CG ANGL. DEV. = 16.2 DEGREES REMARK 500 LEU B 74 CA - CB - CG ANGL. DEV. = 16.5 DEGREES REMARK 500 PRO B 175 C - N - CA ANGL. DEV. = 9.9 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 3 -101.53 5.21 REMARK 500 PRO A 18 150.55 -36.92 REMARK 500 PRO A 24 -138.72 -63.42 REMARK 500 ASN A 44 -161.75 -124.19 REMARK 500 GLN A 86 -8.08 93.70 REMARK 500 ARG A 92 48.40 39.68 REMARK 500 ASN A 149 46.95 -146.63 REMARK 500 ALA A 172 99.10 64.12 REMARK 500 TYR A 173 -90.10 15.64 REMARK 500 PHE A 174 -64.40 -136.28 REMARK 500 SER A 178 -162.32 -76.78 REMARK 500 ASP A 251 2.76 -56.02 REMARK 500 TYR A 325 -105.64 -88.99 REMARK 500 ASP A 327 -6.50 63.28 REMARK 500 PRO A 333 17.30 -63.14 REMARK 500 PRO A 339 69.11 -62.78 REMARK 500 SER B 2 -15.67 -160.13 REMARK 500 SER B 3 173.25 32.44 REMARK 500 SER B 4 -177.16 143.57 REMARK 500 PHE B 5 105.50 61.66 REMARK 500 ALA B 8 6.52 -69.58 REMARK 500 THR B 15 -173.81 -53.20 REMARK 500 GLN B 16 -14.37 -141.92 REMARK 500 LYS B 17 72.47 -152.02 REMARK 500 PRO B 27 151.44 -42.32 REMARK 500 ASN B 44 -156.99 -149.62 REMARK 500 ASP B 85 12.43 -64.19 REMARK 500 ARG B 92 47.74 35.93 REMARK 500 ASN B 149 45.41 -148.08 REMARK 500 ALA B 172 114.68 165.04 REMARK 500 PRO B 175 -39.68 -23.47 REMARK 500 VAL B 179 69.96 61.63 REMARK 500 ILE B 191 99.58 59.96 REMARK 500 TYR B 325 -109.99 -88.54 REMARK 500 ASP B 327 -6.60 60.99 REMARK 500 PRO B 333 18.75 -63.44 REMARK 500 PRO B 339 49.61 -59.40 REMARK 500 GLU B 340 -70.18 -43.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 207 0.07 SIDE CHAIN REMARK 500 TYR B 207 0.09 SIDE CHAIN 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 PLP A 370 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PLP B 370 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EKP RELATED DB: PDB REMARK 900 1EKP CONTAINS THE SAME PROTEIN IN MONOCLINIC FORM COMPLEXED WITH REMARK 900 PYRIDOXAL PHOSPHATE REMARK 900 RELATED ID: 1EKV RELATED DB: PDB REMARK 900 1EKV CONTAINS THE SAME PROTEIN INACTIVATED BY TRIS BOUND TO THE REMARK 900 PYRIDOXAL PHOSPHATE ON ONE END AND ACTIVE SITE LYS202 NZ ON THE REMARK 900 OTHER DBREF 1EKF A 1 365 UNP O15382 BCAT2_HUMAN 28 392 DBREF 1EKF B 1 365 UNP O15382 BCAT2_HUMAN 28 392 SEQRES 1 A 365 ALA SER SER SER PHE LYS ALA ALA ASP LEU GLN LEU GLU SEQRES 2 A 365 MET THR GLN LYS PRO HIS LYS LYS PRO GLY PRO GLY GLU SEQRES 3 A 365 PRO LEU VAL PHE GLY LYS THR PHE THR ASP HIS MET LEU SEQRES 4 A 365 MET VAL GLU TRP ASN ASP LYS GLY TRP GLY GLN PRO ARG SEQRES 5 A 365 ILE GLN PRO PHE GLN ASN LEU THR LEU HIS PRO ALA SER SEQRES 6 A 365 SER SER LEU HIS TYR SER LEU GLN LEU PHE GLU GLY MET SEQRES 7 A 365 LYS ALA PHE LYS GLY LYS ASP GLN GLN VAL ARG LEU PHE SEQRES 8 A 365 ARG PRO TRP LEU ASN MET ASP ARG MET LEU ARG SER ALA SEQRES 9 A 365 MET ARG LEU CYS LEU PRO SER PHE ASP LYS LEU GLU LEU SEQRES 10 A 365 LEU GLU CYS ILE ARG ARG LEU ILE GLU VAL ASP LYS ASP SEQRES 11 A 365 TRP VAL PRO ASP ALA ALA GLY THR SER LEU TYR VAL ARG SEQRES 12 A 365 PRO VAL LEU ILE GLY ASN GLU PRO SER LEU GLY VAL SER SEQRES 13 A 365 GLN PRO ARG ARG ALA LEU LEU PHE VAL ILE LEU CYS PRO SEQRES 14 A 365 VAL GLY ALA TYR PHE PRO GLY GLY SER VAL THR PRO VAL SEQRES 15 A 365 SER LEU LEU ALA ASP PRO ALA PHE ILE ARG ALA TRP VAL SEQRES 16 A 365 GLY GLY VAL GLY ASN TYR LYS LEU GLY GLY ASN TYR GLY SEQRES 17 A 365 PRO THR VAL LEU VAL GLN GLN GLU ALA LEU LYS ARG GLY SEQRES 18 A 365 CYS GLU GLN VAL LEU TRP LEU TYR GLY PRO ASP HIS GLN SEQRES 19 A 365 LEU THR GLU VAL GLY THR MET ASN ILE PHE VAL TYR TRP SEQRES 20 A 365 THR HIS GLU ASP GLY VAL LEU GLU LEU VAL THR PRO PRO SEQRES 21 A 365 LEU ASN GLY VAL ILE LEU PRO GLY VAL VAL ARG GLN SER SEQRES 22 A 365 LEU LEU ASP MET ALA GLN THR TRP GLY GLU PHE ARG VAL SEQRES 23 A 365 VAL GLU ARG THR ILE THR MET LYS GLN LEU LEU ARG ALA SEQRES 24 A 365 LEU GLU GLU GLY ARG VAL ARG GLU VAL PHE GLY SER GLY SEQRES 25 A 365 THR ALA CYS GLN VAL CYS PRO VAL HIS ARG ILE LEU TYR SEQRES 26 A 365 LYS ASP ARG ASN LEU HIS ILE PRO THR MET GLU ASN GLY SEQRES 27 A 365 PRO GLU LEU ILE LEU ARG PHE GLN LYS GLU LEU LYS GLU SEQRES 28 A 365 ILE GLN TYR GLY ILE ARG ALA HIS GLU TRP MET PHE PRO SEQRES 29 A 365 VAL SEQRES 1 B 365 ALA SER SER SER PHE LYS ALA ALA ASP LEU GLN LEU GLU SEQRES 2 B 365 MET THR GLN LYS PRO HIS LYS LYS PRO GLY PRO GLY GLU SEQRES 3 B 365 PRO LEU VAL PHE GLY LYS THR PHE THR ASP HIS MET LEU SEQRES 4 B 365 MET VAL GLU TRP ASN ASP LYS GLY TRP GLY GLN PRO ARG SEQRES 5 B 365 ILE GLN PRO PHE GLN ASN LEU THR LEU HIS PRO ALA SER SEQRES 6 B 365 SER SER LEU HIS TYR SER LEU GLN LEU PHE GLU GLY MET SEQRES 7 B 365 LYS ALA PHE LYS GLY LYS ASP GLN GLN VAL ARG LEU PHE SEQRES 8 B 365 ARG PRO TRP LEU ASN MET ASP ARG MET LEU ARG SER ALA SEQRES 9 B 365 MET ARG LEU CYS LEU PRO SER PHE ASP LYS LEU GLU LEU SEQRES 10 B 365 LEU GLU CYS ILE ARG ARG LEU ILE GLU VAL ASP LYS ASP SEQRES 11 B 365 TRP VAL PRO ASP ALA ALA GLY THR SER LEU TYR VAL ARG SEQRES 12 B 365 PRO VAL LEU ILE GLY ASN GLU PRO SER LEU GLY VAL SER SEQRES 13 B 365 GLN PRO ARG ARG ALA LEU LEU PHE VAL ILE LEU CYS PRO SEQRES 14 B 365 VAL GLY ALA TYR PHE PRO GLY GLY SER VAL THR PRO VAL SEQRES 15 B 365 SER LEU LEU ALA ASP PRO ALA PHE ILE ARG ALA TRP VAL SEQRES 16 B 365 GLY GLY VAL GLY ASN TYR LYS LEU GLY GLY ASN TYR GLY SEQRES 17 B 365 PRO THR VAL LEU VAL GLN GLN GLU ALA LEU LYS ARG GLY SEQRES 18 B 365 CYS GLU GLN VAL LEU TRP LEU TYR GLY PRO ASP HIS GLN SEQRES 19 B 365 LEU THR GLU VAL GLY THR MET ASN ILE PHE VAL TYR TRP SEQRES 20 B 365 THR HIS GLU ASP GLY VAL LEU GLU LEU VAL THR PRO PRO SEQRES 21 B 365 LEU ASN GLY VAL ILE LEU PRO GLY VAL VAL ARG GLN SER SEQRES 22 B 365 LEU LEU ASP MET ALA GLN THR TRP GLY GLU PHE ARG VAL SEQRES 23 B 365 VAL GLU ARG THR ILE THR MET LYS GLN LEU LEU ARG ALA SEQRES 24 B 365 LEU GLU GLU GLY ARG VAL ARG GLU VAL PHE GLY SER GLY SEQRES 25 B 365 THR ALA CYS GLN VAL CYS PRO VAL HIS ARG ILE LEU TYR SEQRES 26 B 365 LYS ASP ARG ASN LEU HIS ILE PRO THR MET GLU ASN GLY SEQRES 27 B 365 PRO GLU LEU ILE LEU ARG PHE GLN LYS GLU LEU LYS GLU SEQRES 28 B 365 ILE GLN TYR GLY ILE ARG ALA HIS GLU TRP MET PHE PRO SEQRES 29 B 365 VAL HET PLP A 370 15 HET PLP B 370 15 HETNAM PLP PYRIDOXAL-5'-PHOSPHATE HETSYN PLP VITAMIN B6 PHOSPHATE FORMUL 3 PLP 2(C8 H10 N O6 P) FORMUL 5 HOH *273(H2 O) HELIX 1 1 LYS A 6 LEU A 10 5 5 HELIX 2 2 SER A 65 TYR A 70 1 6 HELIX 3 3 ARG A 92 LEU A 107 1 16 HELIX 4 4 ASP A 113 ASP A 128 1 16 HELIX 5 5 LYS A 129 VAL A 132 5 4 HELIX 6 6 GLY A 204 GLY A 208 5 5 HELIX 7 7 PRO A 209 LYS A 219 1 11 HELIX 8 8 GLY A 268 GLY A 282 1 15 HELIX 9 9 THR A 292 GLU A 301 1 10 HELIX 10 10 PRO A 339 TYR A 354 1 16 HELIX 11 11 LYS B 6 LEU B 10 5 5 HELIX 12 12 SER B 65 TYR B 70 1 6 HELIX 13 13 ARG B 92 LEU B 107 1 16 HELIX 14 14 ASP B 113 ASP B 128 1 16 HELIX 15 15 LYS B 129 VAL B 132 5 4 HELIX 16 16 GLY B 204 GLY B 208 5 5 HELIX 17 17 PRO B 209 ARG B 220 1 12 HELIX 18 18 GLY B 268 GLY B 282 1 15 HELIX 19 19 THR B 292 GLU B 302 1 11 HELIX 20 20 PRO B 339 TYR B 354 1 16 SHEET 1 A10 GLN A 11 LEU A 12 0 SHEET 2 A10 ARG A 52 PRO A 55 1 N ILE A 53 O GLN A 11 SHEET 3 A10 HIS A 37 TRP A 43 -1 O MET A 38 N GLN A 54 SHEET 4 A10 ALA A 161 VAL A 170 -1 O ALA A 161 N TRP A 43 SHEET 5 A10 SER A 139 GLY A 148 -1 O SER A 139 N VAL A 170 SHEET 6 A10 GLN A 73 PHE A 75 -1 O LEU A 74 N LEU A 146 SHEET 7 A10 SER A 139 GLY A 148 -1 N LEU A 146 O LEU A 74 SHEET 8 A10 MET A 78 LYS A 82 -1 O MET A 78 N VAL A 142 SHEET 9 A10 VAL A 88 PHE A 91 -1 O ARG A 89 N PHE A 81 SHEET 10 A10 MET A 362 PRO A 364 -1 N PHE A 363 O LEU A 90 SHEET 1 B 2 LEU A 59 LEU A 61 0 SHEET 2 B 2 LEU B 59 LEU B 61 -1 N LEU B 59 O LEU A 61 SHEET 1 C11 ARG A 285 GLU A 288 0 SHEET 2 C11 LEU A 254 THR A 258 1 O LEU A 254 N ARG A 285 SHEET 3 C11 MET A 241 THR A 248 -1 O VAL A 245 N VAL A 257 SHEET 4 C11 VAL A 305 SER A 311 -1 N ARG A 306 O TYR A 246 SHEET 5 C11 CYS A 318 LEU A 324 -1 N CYS A 318 O GLY A 310 SHEET 6 C11 ASN A 329 HIS A 331 -1 N LEU A 330 O ILE A 323 SHEET 7 C11 CYS A 318 LEU A 324 -1 O ILE A 323 N LEU A 330 SHEET 8 C11 VAL A 182 LEU A 185 1 N VAL A 182 O PRO A 319 SHEET 9 C11 GLN A 224 TYR A 229 1 O GLN A 224 N LEU A 185 SHEET 10 C11 GLN A 234 VAL A 238 -1 N GLN A 234 O TYR A 229 SHEET 11 C11 MET A 241 THR A 248 -1 O MET A 241 N VAL A 238 SHEET 1 D12 GLN B 11 LEU B 12 0 SHEET 2 D12 ARG B 52 PRO B 55 1 N ILE B 53 O GLN B 11 SHEET 3 D12 HIS B 37 ASN B 44 -1 O MET B 38 N GLN B 54 SHEET 4 D12 GLY B 47 TRP B 48 -1 N GLY B 47 O ASN B 44 SHEET 5 D12 HIS B 37 ASN B 44 -1 O ASN B 44 N GLY B 47 SHEET 6 D12 ALA B 161 VAL B 170 -1 O ALA B 161 N TRP B 43 SHEET 7 D12 SER B 139 GLY B 148 -1 O SER B 139 N VAL B 170 SHEET 8 D12 GLN B 73 PHE B 75 -1 O LEU B 74 N LEU B 146 SHEET 9 D12 SER B 139 GLY B 148 -1 N LEU B 146 O LEU B 74 SHEET 10 D12 MET B 78 LYS B 82 -1 O MET B 78 N VAL B 142 SHEET 11 D12 VAL B 88 PHE B 91 -1 O ARG B 89 N PHE B 81 SHEET 12 D12 MET B 362 PRO B 364 -1 O PHE B 363 N LEU B 90 SHEET 1 E11 ARG B 285 GLU B 288 0 SHEET 2 E11 LEU B 254 THR B 258 1 O LEU B 254 N ARG B 285 SHEET 3 E11 MET B 241 THR B 248 -1 N VAL B 245 O VAL B 257 SHEET 4 E11 VAL B 305 SER B 311 -1 N ARG B 306 O TYR B 246 SHEET 5 E11 VAL B 317 LEU B 324 -1 N CYS B 318 O GLY B 310 SHEET 6 E11 ASN B 329 HIS B 331 -1 N LEU B 330 O ILE B 323 SHEET 7 E11 VAL B 317 LEU B 324 -1 O ILE B 323 N LEU B 330 SHEET 8 E11 VAL B 182 LEU B 185 1 N VAL B 182 O PRO B 319 SHEET 9 E11 GLN B 224 TYR B 229 1 O GLN B 224 N LEU B 185 SHEET 10 E11 GLN B 234 VAL B 238 -1 N GLN B 234 O TYR B 229 SHEET 11 E11 MET B 241 THR B 248 -1 O MET B 241 N VAL B 238 LINK NZ LYS A 202 C4A PLP A 370 1555 1555 1.39 LINK NZ LYS B 202 C4A PLP B 370 1555 1555 1.38 SITE 1 AC1 15 ARG A 99 ARG A 192 LYS A 202 TYR A 207 SITE 2 AC1 15 GLU A 237 THR A 240 ASN A 242 LEU A 266 SITE 3 AC1 15 GLY A 268 VAL A 269 VAL A 270 THR A 313 SITE 4 AC1 15 HOH A 371 HOH A 381 HOH A 385 SITE 1 AC2 15 ARG B 99 LYS B 202 TYR B 207 GLU B 237 SITE 2 AC2 15 THR B 240 ASN B 242 LEU B 266 GLY B 268 SITE 3 AC2 15 VAL B 269 VAL B 270 GLY B 312 THR B 313 SITE 4 AC2 15 HOH B 375 HOH B 400 HOH B 448 CRYST1 69.385 105.032 107.016 90.00 90.00 90.00 P 21 21 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 0.014412 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009521 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009344 0.00000