HEADER TRANSPORT PROTEIN 03-MAR-05 1Z17 TITLE CRYSTAL STRUCTURE ANALYSIS OF PERIPLASMIC LEU/ILE/VAL-BINDING PROTEIN TITLE 2 WITH BOUND LIGAND ISOLEUCINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: LEU/ILE/VAL-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: MATURED PROTEIN (RESIDUES 24-367); COMPND 5 SYNONYM: LIV-BP SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 STRAIN: K12 KEYWDS PERIPLASMIC BINDING PROTEINS, ALPHA-BETA FOLD, ALIPHATIC AMINO ACID KEYWDS 2 BINDING PROTEIN, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.D.TRAKHANOV,N.K.VYAS,D.M.KRISTENSEN,J.MA,F.A.QUIOCHO REVDAT 5 23-AUG-23 1Z17 1 REMARK REVDAT 4 13-JUL-11 1Z17 1 VERSN REVDAT 3 24-FEB-09 1Z17 1 VERSN REVDAT 2 13-DEC-05 1Z17 1 JRNL REVDAT 1 04-OCT-05 1Z17 0 JRNL AUTH S.D.TRAKHANOV,N.K.VYAS,H.LUECKE,D.M.KRISTENSEN,J.MA, JRNL AUTH 2 F.A.QUIOCHO JRNL TITL LIGAND-FREE AND -BOUND STRUCTURES OF THE BINDING PROTEIN JRNL TITL 2 (LIVJ) OF THE ESCHERICHIA COLI ABC LEUCINE/ISOLEUCINE/VALINE JRNL TITL 3 TRANSPORT SYSTEM: TRAJECTORY AND DYNAMICS OF THE INTERDOMAIN JRNL TITL 4 ROTATION AND LIGAND SPECIFICITY. JRNL REF BIOCHEMISTRY V. 44 6597 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15850393 JRNL DOI 10.1021/BI047302O REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.S.SACK,M.A.SAPER,F.A.QUIOCHO REMARK 1 TITL PERIPLASMIC BINDING PROTEIN STRUCTURE AND FUNCTION. REFINED REMARK 1 TITL 2 X-RAY STRUCTURES OF THE LEUCINE/ISOLEUCINE/VALINE-BINDING REMARK 1 TITL 3 PROTEIN AND ITS COMPLEX WITH LEUCINE. REMARK 1 REF J.MOL.BIOL. V. 206 171 1989 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 2649682 REMARK 1 DOI 10.1016/0022-2836(89)90531-7 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.S.SACK,S.D.TRAKHANOV,I.H.TSIGANNIK,F.A.QUIOCHO REMARK 1 TITL STRUCTURE OF THE L-LEUCINE-BINDING PROTEIN REFINED AT 2.4 A REMARK 1 TITL 2 RESOLUTION AND COMPARISON WITH THE LEU/ILE/VAL-BINDING REMARK 1 TITL 3 PROTEIN STRUCTURE. REMARK 1 REF J.MOL.BIOL. V. 206 193 1989 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 2649683 REMARK 1 DOI 10.1016/0022-2836(89)90532-9 REMARK 2 REMARK 2 RESOLUTION. 1.96 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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 & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.96 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.88 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 160361.570 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.1 REMARK 3 NUMBER OF REFLECTIONS : 31814 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) : 0.183 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1581 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 1.96 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.06 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 39.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2471 REMARK 3 BIN R VALUE (WORKING SET) : 0.2720 REMARK 3 BIN FREE R VALUE : 0.2850 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 134 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2591 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 17 REMARK 3 SOLVENT ATOMS : 351 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.36000 REMARK 3 B22 (A**2) : -0.36000 REMARK 3 B33 (A**2) : 0.71000 REMARK 3 B12 (A**2) : 1.91000 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.22 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) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.120 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) : 1.610 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.360 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.920 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.140 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 51.65 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : MPD.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : MPD.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Z17 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAR-05. REMARK 100 THE DEPOSITION ID IS D_1000032168. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-JAN-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : GRAPHITE MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MACSCIENCE, DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38888 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.960 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 (%) : 83.0 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 15.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.96 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.10 REMARK 200 COMPLETENESS FOR SHELL (%) : 40.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.80 REMARK 200 R MERGE FOR SHELL (I) : 0.18400 REMARK 200 R SYM FOR SHELL (I) : 0.18400 REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: LIVBP-LEU COMPLEX (CLOSED FORM) WITHOUT LEUCINE REMARK 200 AND SOLVENT, PDB ENTRY 1Z16 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30 %MPD, 10MM CUSO4, 0.5 MM REMARK 280 LISOLEUCINE AND 50 MM NA-CCODYLATE, PH 5.0, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 31.06000 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 62.12000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 62.12000 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 31.06000 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 GLY A 75 CA - C - N ANGL. DEV. = -23.7 DEGREES REMARK 500 GLY A 75 O - C - N ANGL. DEV. = 18.1 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 ALA A 52 17.95 52.40 REMARK 500 HIS A 76 142.85 56.06 REMARK 500 ALA A 100 -18.78 -146.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY A 75 HIS A 76 -149.15 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 ILE A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MRD A 410 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2LIV RELATED DB: PDB REMARK 900 2LIV IS THE SAME STRUCTURE BUT IN LESS OPEN FORM. REMARK 900 RELATED ID: 2LBP RELATED DB: PDB REMARK 900 2LBP IS A LEUCINE SPECIFIC PROTEIN BUT ITS OVERALL STRUCTURE IS REMARK 900 SIMILAR TO 2LIV. REMARK 900 RELATED ID: 1Z15 RELATED DB: PDB REMARK 900 RELATED ID: 1Z16 RELATED DB: PDB REMARK 900 RELATED ID: 1Z18 RELATED DB: PDB DBREF 1Z17 A 1 344 UNP P02917 LIVJ_ECOLI 24 367 SEQRES 1 A 344 GLU ASP ILE LYS VAL ALA VAL VAL GLY ALA MET SER GLY SEQRES 2 A 344 PRO VAL ALA GLN TYR GLY ASP GLN GLU PHE THR GLY ALA SEQRES 3 A 344 GLU GLN ALA VAL ALA ASP ILE ASN ALA LYS GLY GLY ILE SEQRES 4 A 344 LYS GLY ASN LYS LEU GLN ILE VAL LYS TYR ASP ASP ALA SEQRES 5 A 344 CYS ASP PRO LYS GLN ALA VAL ALA VAL ALA ASN LYS VAL SEQRES 6 A 344 VAL ASN ASP GLY ILE LYS TYR VAL ILE GLY HIS LEU CYS SEQRES 7 A 344 SER SER SER THR GLN PRO ALA SER ASP ILE TYR GLU ASP SEQRES 8 A 344 GLU GLY ILE LEU MET ILE THR PRO ALA ALA THR ALA PRO SEQRES 9 A 344 GLU LEU THR ALA ARG GLY TYR GLN LEU ILE LEU ARG THR SEQRES 10 A 344 THR GLY LEU ASP SER ASP GLN GLY PRO THR ALA ALA LYS SEQRES 11 A 344 TYR ILE LEU GLU LYS VAL LYS PRO GLN ARG ILE ALA ILE SEQRES 12 A 344 VAL HIS ASP LYS GLN GLN TYR GLY GLU GLY LEU ALA ARG SEQRES 13 A 344 ALA VAL GLN ASP GLY LEU LYS LYS GLY ASN ALA ASN VAL SEQRES 14 A 344 VAL PHE PHE ASP GLY ILE THR ALA GLY GLU LYS ASP PHE SEQRES 15 A 344 SER THR LEU VAL ALA ARG LEU LYS LYS GLU ASN ILE ASP SEQRES 16 A 344 PHE VAL TYR TYR GLY GLY TYR HIS PRO GLU MET GLY GLN SEQRES 17 A 344 ILE LEU ARG GLN ALA ARG ALA ALA GLY LEU LYS THR GLN SEQRES 18 A 344 PHE MET GLY PRO GLU GLY VAL ALA ASN VAL SER LEU SER SEQRES 19 A 344 ASN ILE ALA GLY GLU SER ALA GLU GLY LEU LEU VAL THR SEQRES 20 A 344 LYS PRO LYS ASN TYR ASP GLN VAL PRO ALA ASN LYS PRO SEQRES 21 A 344 ILE VAL ASP ALA ILE LYS ALA LYS LYS GLN ASP PRO SER SEQRES 22 A 344 GLY ALA PHE VAL TRP THR THR TYR ALA ALA LEU GLN SER SEQRES 23 A 344 LEU GLN ALA GLY LEU ASN GLN SER ASP ASP PRO ALA GLU SEQRES 24 A 344 ILE ALA LYS TYR LEU LYS ALA ASN SER VAL ASP THR VAL SEQRES 25 A 344 MET GLY PRO LEU THR TRP ASP GLU LYS GLY ASP LEU LYS SEQRES 26 A 344 GLY PHE GLU PHE GLY VAL PHE ASP TRP HIS ALA ASN GLY SEQRES 27 A 344 THR ALA THR ASP ALA LYS HET ILE A 400 9 HET MRD A 410 8 HETNAM ILE ISOLEUCINE HETNAM MRD (4R)-2-METHYLPENTANE-2,4-DIOL FORMUL 2 ILE C6 H13 N O2 FORMUL 3 MRD C6 H14 O2 FORMUL 4 HOH *351(H2 O) HELIX 1 1 VAL 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 ALA A 103 ALA A 108 5 6 HELIX 5 5 LEU A 120 LYS A 135 1 16 HELIX 6 6 GLN A 148 GLY A 165 1 18 HELIX 7 7 PHE A 182 GLU A 192 1 11 HELIX 8 8 TYR A 202 ALA A 216 1 15 HELIX 9 9 PRO A 225 ALA A 229 5 5 HELIX 10 10 ASN A 230 GLY A 238 1 9 HELIX 11 11 GLU A 239 GLU A 242 5 4 HELIX 12 12 ASN A 251 ALA A 257 5 7 HELIX 13 13 ASN A 258 ALA A 267 1 10 HELIX 14 14 GLY A 274 ASN A 292 1 19 HELIX 15 15 ASP A 296 ASN A 307 1 12 SHEET 1 A 5 LEU A 44 ASP A 50 0 SHEET 2 A 5 ILE A 3 GLY A 9 1 N ILE A 3 O GLN A 45 SHEET 3 A 5 TYR A 72 GLY A 75 1 O ILE A 74 N ALA A 6 SHEET 4 A 5 LEU A 95 THR A 98 1 O ILE A 97 N VAL A 73 SHEET 5 A 5 ILE A 114 ARG A 116 1 O LEU A 115 N THR A 98 SHEET 1 B 7 VAL A 169 GLY A 174 0 SHEET 2 B 7 ILE A 141 HIS A 145 1 N ILE A 141 O VAL A 170 SHEET 3 B 7 PHE A 196 GLY A 200 1 O GLY A 200 N VAL A 144 SHEET 4 B 7 GLN A 221 GLY A 224 1 O MET A 223 N TYR A 199 SHEET 5 B 7 LEU A 245 LYS A 248 1 O LEU A 245 N PHE A 222 SHEET 6 B 7 GLY A 330 TRP A 334 -1 O PHE A 332 N VAL A 246 SHEET 7 B 7 ALA A 340 ASP A 342 -1 O THR A 341 N ASP A 333 SHEET 1 C 2 VAL A 309 THR A 311 0 SHEET 2 C 2 GLY A 314 LEU A 316 -1 O LEU A 316 N VAL A 309 SSBOND 1 CYS A 53 CYS A 78 1555 1555 2.05 SITE 1 AC1 12 TYR A 18 LEU A 77 CYS A 78 SER A 79 SITE 2 AC1 12 ALA A 100 ALA A 101 THR A 102 TYR A 150 SITE 3 AC1 12 TYR A 202 GLU A 226 GLY A 227 PHE A 276 SITE 1 AC2 7 ASP A 173 THR A 184 LEU A 185 ARG A 188 SITE 2 AC2 7 ALA A 298 GLU A 299 HOH A 824 CRYST1 99.130 99.130 93.180 90.00 90.00 120.00 P 31 2 1 6 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 0.010088 0.005824 0.000000 0.00000 SCALE2 0.000000 0.011648 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010732 0.00000