HEADER TRANSPORT PROTEIN 24-NOV-03 1USG TITLE L-LEUCINE-BINDING PROTEIN, APO FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: LEUCINE-SPECIFIC BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: L-LEUCINE-BINDING PROTEIN, LS-BP, L-BP; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PKSTY KEYWDS LEUCINE-BINDING PROTEIN, PROTEIN STRUCTURE, ABC TRANSPORT SYSTEMS, KEYWDS 2 TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR U.MAGNUSSON,B.SALOPEK-SONDI,L.A.LUCK,S.L.MOWBRAY REVDAT 6 16-OCT-24 1USG 1 REMARK REVDAT 5 13-DEC-23 1USG 1 REMARK REVDAT 4 17-JAN-18 1USG 1 REMARK REVDAT 3 24-FEB-09 1USG 1 VERSN REVDAT 2 04-MAR-04 1USG 1 JRNL REVDAT 1 18-DEC-03 1USG 0 JRNL AUTH U.MAGNUSSON,B.SALOPEK-SONDI,L.A.LUCK,S.L.MOWBRAY JRNL TITL X-RAY STRUCTURES OF THE LEUCINE-BINDING PROTEIN ILLUSTRATE JRNL TITL 2 CONFORMATIONAL CHANGES AND THE BASIS OF LIGAND SPECIFICITY JRNL REF J.BIOL.CHEM. V. 279 8747 2004 JRNL REFN ISSN 0021-9258 JRNL PMID 14672931 JRNL DOI 10.1074/JBC.M311890200 REMARK 2 REMARK 2 RESOLUTION. 1.53 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.19 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.53 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.62 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 46029 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) : 0.191 REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2480 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) : 1.53 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.57 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3314 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1710 REMARK 3 BIN FREE R VALUE SET COUNT : 166 REMARK 3 BIN FREE R VALUE : 0.2240 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2596 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 179 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.21 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.86000 REMARK 3 B22 (A**2) : 0.80000 REMARK 3 B33 (A**2) : -0.81000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.63000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.083 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.083 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.051 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.325 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.956 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.947 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2645 ; 0.015 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 2364 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3579 ; 1.560 ; 1.957 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5532 ; 0.762 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 344 ; 5.507 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 389 ; 0.094 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3012 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 494 ; 0.005 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 543 ; 0.227 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 2704 ; 0.257 ; 0.300 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 1475 ; 0.089 ; 0.500 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 239 ; 0.160 ; 0.500 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): 11 ; 0.522 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 35 ; 0.220 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 19 ; 0.140 ; 0.500 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): 1702 ; 1.350 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2709 ; 2.175 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 943 ; 1.974 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 870 ; 3.266 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : BABINET MODEL WITH 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 1USG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-NOV-03. REMARK 100 THE DEPOSITION ID IS D_1290014044. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MAX II REMARK 200 BEAMLINE : I711 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.937 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 : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48509 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.530 REMARK 200 RESOLUTION RANGE LOW (A) : 32.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.7 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 25.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.53 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.56 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.17700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.900 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: PDB ENTRY 2LBP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 5000, SODIUM ACETATE PH 4.6, REMARK 280 AMMONIUM SULPHATE, COCL2., PH 8.00 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 45.70500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 45.70500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 39.60000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS 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 91.41000 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 400 REMARK 400 COMPOUND REMARK 400 A COMPONENT OF THE LEUCINE-SPECIFIC TRANSPORT SYSTEM, WHICH REMARK 400 IS ONE OF TWO PERIPLASMIC BINDING PROTEIN-DEPENDENT TRANSPORT REMARK 400 SYSTEMS OF THE HIGH-AFFINITY TRANSPORT OF THE BRANCHED-CHAIN REMARK 400 AMINO ACIDS IN E.COLI. 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 LYS A 346 CA C O CB CG CD CE REMARK 470 LYS A 346 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 OD1 ASP A 173 O HOH A 2095 1.97 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 OD2 ASP A 263 CD GLU A 298 4656 2.15 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 ASP A 2 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP A 54 CB - CG - OD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 ARG A 140 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ASP A 271 CB - CG - OD2 ANGL. DEV. = 6.3 DEGREES REMARK 500 ASP A 339 CB - CG - OD2 ANGL. DEV. = 5.8 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 ASN A 103 83.55 68.02 REMARK 500 ALA A 345 -7.38 50.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1USI RELATED DB: PDB REMARK 900 L-LEUCINE-BINDING PROTEIN WITH PHENYLALANINE BOUND REMARK 900 RELATED ID: 1USK RELATED DB: PDB REMARK 900 L-LEUCINE-BINDING PROTEIN WITH LEUCINE BOUND REMARK 900 RELATED ID: 2LBP RELATED DB: PDB DBREF 1USG A 1 346 UNP P04816 LIVK_ECOLI 24 369 SEQADV 1USG LYS A 344 UNP P04816 ALA 367 CONFLICT SEQRES 1 A 346 ASP ASP ILE LYS VAL ALA VAL VAL GLY ALA MET SER GLY SEQRES 2 A 346 PRO ILE ALA GLN TRP GLY ASP MET GLU PHE ASN GLY ALA SEQRES 3 A 346 ARG GLN ALA ILE LYS ASP ILE ASN ALA LYS GLY GLY ILE SEQRES 4 A 346 LYS GLY ASP LYS LEU VAL GLY VAL GLU TYR ASP ASP ALA SEQRES 5 A 346 CYS ASP PRO LYS GLN ALA VAL ALA VAL ALA ASN LYS ILE SEQRES 6 A 346 VAL ASN ASP GLY ILE LYS TYR VAL ILE GLY HIS LEU CYS SEQRES 7 A 346 SER SER SER THR GLN PRO ALA SER ASP ILE TYR GLU ASP SEQRES 8 A 346 GLU GLY ILE LEU MET ILE SER PRO GLY ALA THR ASN PRO SEQRES 9 A 346 GLU LEU THR GLN ARG GLY TYR GLN HIS ILE MET ARG THR SEQRES 10 A 346 ALA GLY LEU ASP SER SER GLN GLY PRO THR ALA ALA LYS SEQRES 11 A 346 TYR ILE LEU GLU THR VAL LYS PRO GLN ARG ILE ALA ILE SEQRES 12 A 346 ILE HIS ASP LYS GLN GLN TYR GLY GLU GLY LEU ALA ARG SEQRES 13 A 346 SER VAL GLN ASP GLY LEU LYS ALA ALA ASN ALA ASN VAL SEQRES 14 A 346 VAL PHE PHE ASP GLY ILE THR ALA GLY GLU LYS ASP PHE SEQRES 15 A 346 SER ALA LEU ILE ALA ARG LEU LYS LYS GLU ASN ILE ASP SEQRES 16 A 346 PHE VAL TYR TYR GLY GLY TYR TYR PRO GLU MET GLY GLN SEQRES 17 A 346 MET LEU ARG GLN ALA ARG SER VAL GLY LEU LYS THR GLN SEQRES 18 A 346 PHE MET GLY PRO GLU GLY VAL GLY ASN ALA SER LEU SER SEQRES 19 A 346 ASN ILE ALA GLY ASP ALA ALA GLU GLY MET LEU VAL THR SEQRES 20 A 346 MET PRO LYS ARG TYR ASP GLN ASP PRO ALA ASN GLN GLY SEQRES 21 A 346 ILE VAL ASP ALA LEU LYS ALA ASP LYS LYS ASP PRO SER SEQRES 22 A 346 GLY PRO TYR VAL TRP ILE THR TYR ALA ALA VAL GLN SER SEQRES 23 A 346 LEU ALA THR ALA LEU GLU ARG THR GLY SER ASP GLU PRO SEQRES 24 A 346 LEU ALA LEU VAL LYS ASP LEU LYS ALA ASN GLY ALA ASN SEQRES 25 A 346 THR VAL ILE GLY PRO LEU ASN TRP ASP GLU LYS GLY ASP SEQRES 26 A 346 LEU LYS GLY PHE ASP PHE GLY VAL PHE GLN TRP HIS ALA SEQRES 27 A 346 ASP GLY SER SER THR LYS ALA LYS FORMUL 2 HOH *179(H2 O) HELIX 1 1 ILE A 15 LYS A 36 1 22 HELIX 2 2 ASP A 54 ASP A 68 1 15 HELIX 3 3 CYS A 78 GLY A 93 1 16 HELIX 4 4 ASN A 103 GLN A 108 5 6 HELIX 5 5 LEU A 120 SER A 122 5 3 HELIX 6 6 SER A 123 THR A 135 1 13 HELIX 7 7 GLN A 148 ALA A 165 1 18 HELIX 8 8 PHE A 182 GLU A 192 1 11 HELIX 9 9 TYR A 202 VAL A 216 1 15 HELIX 10 10 PRO A 225 GLY A 229 5 5 HELIX 11 11 SER A 232 GLY A 238 1 7 HELIX 12 12 ASP A 239 GLU A 242 5 4 HELIX 13 13 ARG A 251 ASP A 255 5 5 HELIX 14 14 ASP A 255 ALA A 257 5 3 HELIX 15 15 ASN A 258 ASP A 268 1 11 HELIX 16 16 GLY A 274 GLY A 295 1 22 HELIX 17 17 GLU A 298 GLY A 310 1 13 SHEET 1 AA 5 LEU A 44 ASP A 50 0 SHEET 2 AA 5 ILE A 3 GLY A 9 1 O ILE A 3 N VAL A 45 SHEET 3 AA 5 TYR A 72 ILE A 74 1 O TYR A 72 N ALA A 6 SHEET 4 AA 5 LEU A 95 SER A 98 1 O LEU A 95 N VAL A 73 SHEET 5 AA 5 ILE A 114 ARG A 116 1 O MET A 115 N SER A 98 SHEET 1 AB 7 VAL A 169 GLY A 174 0 SHEET 2 AB 7 ILE A 141 HIS A 145 1 O ILE A 141 N VAL A 170 SHEET 3 AB 7 PHE A 196 GLY A 200 1 O PHE A 196 N ALA A 142 SHEET 4 AB 7 GLN A 221 GLY A 224 1 O GLN A 221 N VAL A 197 SHEET 5 AB 7 LEU A 245 MET A 248 1 O LEU A 245 N GLY A 224 SHEET 6 AB 7 GLY A 332 TRP A 336 -1 O GLY A 332 N MET A 248 SHEET 7 AB 7 SER A 342 LYS A 344 -1 O THR A 343 N GLN A 335 SHEET 1 AC 2 ALA A 311 THR A 313 0 SHEET 2 AC 2 GLY A 316 LEU A 318 -1 O GLY A 316 N THR A 313 SSBOND 1 CYS A 53 CYS A 78 1555 1555 2.06 CISPEP 1 GLY A 75 HIS A 76 0 -9.09 CRYST1 91.410 79.200 65.180 90.00 133.60 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 0.010940 0.000000 0.010418 0.00000 SCALE2 0.000000 0.012626 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021186 0.00000