HEADER TRANSCRIPTION/DNA 20-MAR-03 1OSL TITLE SOLUTION STRUCTURE OF A DIMERIC LACTOSE DNA-BINDING DOMAIN COMPLEXED TITLE 2 TO A NONSPECIFIC DNA SEQUENCE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*GP*AP*TP*AP*AP*GP*AP*TP*AP*TP*CP*TP*TP*AP*TP*CP*G) COMPND 3 -3'; COMPND 4 CHAIN: C, D; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: LACTOSE OPERON REPRESSOR; COMPND 8 CHAIN: A, B; COMPND 9 FRAGMENT: N-TERMINAL DNA-BINDING DOMAIN, RESIDUES 1-62; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 5 ORGANISM_TAXID: 562; SOURCE 6 GENE: LACI; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: DH9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET-HP62-V52C KEYWDS PROTEIN-DNA COMPLEX, LAC REPRESSOR, NONSPECIFIC INTERACTION, KEYWDS 2 TRANSCRIPTION-DNA COMPLEX EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR C.G.KALODIMOS,A.M.J.J.BONVIN,R.BOELENS,R.KAPTEIN REVDAT 4 27-OCT-21 1OSL 1 REMARK SEQADV REVDAT 3 24-FEB-09 1OSL 1 VERSN REVDAT 2 20-JUL-04 1OSL 1 JRNL REVDAT 1 04-MAY-04 1OSL 0 JRNL AUTH C.G.KALODIMOS,N.BIRIS,A.M.BONVIN,M.M.LEVANDOSKI, JRNL AUTH 2 M.GUENNUEGUES,R.BOELENS,R.KAPTEIN JRNL TITL STRUCTURE AND FLEXIBILITY ADAPTATION IN NONSPECIFIC AND JRNL TITL 2 SPECIFIC PROTEIN-DNA COMPLEXES. JRNL REF SCIENCE V. 305 386 2004 JRNL REFN ISSN 0036-8075 JRNL PMID 15256668 JRNL DOI 10.1126/SCIENCE.1097064 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 3.0, CNS 1.1 REMARK 3 AUTHORS : BRUKER (XWINNMR), BRUNGER (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURE OF THE COMPLEX WAS SOLVED REMARK 3 ON THE BASIS OF 70 INTERMOLECULAR RESTRAINTS REMARK 4 REMARK 4 1OSL COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-APR-03. REMARK 100 THE DEPOSITION ID IS D_1000018627. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 5.8 REMARK 210 IONIC STRENGTH : 400MM KCL, 60MM KPI REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2MM LAC-HP62-V52C U-15N,13C, REMARK 210 60MM KPI, 400MM KCL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_15N-SEPARATED_NOESY; 3D_13C REMARK 210 -SEPARATED_NOESY; 13C-15N DOUBLE- REMARK 210 HALF NOESY FILTER REMARK 210 SPECTROMETER FIELD STRENGTH : 750 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE 2.1, NMRVIEW 5.0.3, CNS REMARK 210 1.1 REMARK 210 METHOD USED : THE STRUCTURE OF THE COMPLEX WAS REMARK 210 CALCULATED AS FOLLOWS. FIRST THE REMARK 210 STRUCTURE OF THE DIMERIC LACHP62- REMARK 210 V52C WAS CALCULATED USING ONLY REMARK 210 PROTEIN NMR RESTRAINTS. THE 100 REMARK 210 BEST STRUCTURES WERE SELECTED REMARK 210 AND DOCKED ONTO THE NONSPECIFIC REMARK 210 LAC OPERATOR B-DNA USING REMARK 210 SIMULATED ANNEALING. DISTANCE REMARK 210 AND PLANARITY RESTRAINTS FOR THE REMARK 210 DNA WERE INCORPORATED IN ORDER REMARK 210 TO KEEP DNA CLOSE TO B-DNA REMARK 210 CONFORMATION. REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 400 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D AND 3D REMARK 210 HOMO- AND HETERONUCLEAR TECHNIQUES. 13C-15N LABELED PROTEIN AND REMARK 210 UNLABELED NUCLEOTIDE WERE USED. IN ADDITION ISOTOPE FILTER REMARK 210 EXPERIMENTS WERE APPLIED TO OBTAIN ADDITIONAL ASSIGNMENTS AND TO REMARK 210 ASSIGN INTER-MOLECULAR NOES. FOR FURTHER DETAILS SEE THE REMARK 210 REFERENCE DESCRIBING THE STRUCTURES. REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (RES=RESIDUE NAME; REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 470 MODELS 1-20 REMARK 470 RES CSSEQI ATOMS REMARK 470 ILE B 48 O REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS 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 HA VAL A 23 HB1 ALA A 27 1.19 REMARK 500 HG11 VAL A 23 HG22 VAL A 38 1.21 REMARK 500 HH11 ARG A 22 HG23 VAL A 30 1.34 REMARK 500 HA VAL B 23 HB1 ALA B 27 1.34 REMARK 500 O TYR B 17 H SER B 21 1.59 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 2 TYR B 7 CE1 TYR B 7 CZ 0.135 REMARK 500 2 TYR B 7 CZ TYR B 7 CE2 -0.132 REMARK 500 3 TYR B 7 CE1 TYR B 7 CZ 0.123 REMARK 500 3 TYR B 7 CZ TYR B 7 CE2 -0.131 REMARK 500 3 TYR B 17 CE1 TYR B 17 CZ -0.166 REMARK 500 3 TYR B 17 CZ TYR B 17 CE2 0.147 REMARK 500 4 TYR A 12 CE1 TYR A 12 CZ 0.088 REMARK 500 4 TYR A 12 CZ TYR A 12 CE2 -0.091 REMARK 500 5 TYR B 7 CE1 TYR B 7 CZ 0.155 REMARK 500 5 TYR B 7 CZ TYR B 7 CE2 -0.155 REMARK 500 5 TYR B 47 CZ TYR B 47 CE2 0.085 REMARK 500 6 TYR A 17 CE1 TYR A 17 CZ -0.084 REMARK 500 6 TYR A 17 CZ TYR A 17 CE2 0.079 REMARK 500 6 TYR B 7 CE1 TYR B 7 CZ 0.220 REMARK 500 6 TYR B 7 CZ TYR B 7 CE2 -0.204 REMARK 500 6 TYR B 17 CE1 TYR B 17 CZ -0.168 REMARK 500 6 TYR B 17 CZ TYR B 17 CE2 0.160 REMARK 500 8 TYR A 17 CE1 TYR A 17 CZ -0.090 REMARK 500 8 TYR A 17 CZ TYR A 17 CE2 0.080 REMARK 500 8 TYR B 17 CE1 TYR B 17 CZ -0.127 REMARK 500 8 TYR B 17 CZ TYR B 17 CE2 0.117 REMARK 500 9 TYR B 7 CE1 TYR B 7 CZ 0.209 REMARK 500 9 TYR B 7 CZ TYR B 7 CE2 -0.213 REMARK 500 9 TYR B 17 CE1 TYR B 17 CZ -0.184 REMARK 500 9 TYR B 17 CZ TYR B 17 CE2 0.180 REMARK 500 10 TYR B 7 CE1 TYR B 7 CZ 0.160 REMARK 500 10 TYR B 7 CZ TYR B 7 CE2 -0.163 REMARK 500 10 TYR B 17 CE1 TYR B 17 CZ -0.127 REMARK 500 10 TYR B 17 CZ TYR B 17 CE2 0.120 REMARK 500 11 TYR A 12 CE1 TYR A 12 CZ 0.080 REMARK 500 11 TYR A 12 CZ TYR A 12 CE2 -0.080 REMARK 500 11 TYR B 7 CE1 TYR B 7 CZ 0.142 REMARK 500 11 TYR B 7 CZ TYR B 7 CE2 -0.133 REMARK 500 12 TYR B 17 CE1 TYR B 17 CZ -0.095 REMARK 500 12 TYR B 17 CZ TYR B 17 CE2 0.086 REMARK 500 13 TYR B 7 CE1 TYR B 7 CZ 0.182 REMARK 500 13 TYR B 7 CZ TYR B 7 CE2 -0.184 REMARK 500 13 TYR B 17 CE1 TYR B 17 CZ -0.105 REMARK 500 13 TYR B 17 CZ TYR B 17 CE2 0.095 REMARK 500 14 TYR B 12 CE1 TYR B 12 CZ 0.095 REMARK 500 14 TYR B 12 CZ TYR B 12 CE2 -0.095 REMARK 500 15 TYR B 7 CE1 TYR B 7 CZ 0.111 REMARK 500 15 TYR B 7 CZ TYR B 7 CE2 -0.112 REMARK 500 16 TYR B 7 CE1 TYR B 7 CZ 0.178 REMARK 500 16 TYR B 7 CZ TYR B 7 CE2 -0.161 REMARK 500 16 TYR B 17 CE1 TYR B 17 CZ -0.146 REMARK 500 16 TYR B 17 CZ TYR B 17 CE2 0.171 REMARK 500 17 TYR B 7 CE1 TYR B 7 CZ 0.093 REMARK 500 17 TYR B 7 CZ TYR B 7 CE2 -0.095 REMARK 500 18 TYR B 7 CE1 TYR B 7 CZ 0.130 REMARK 500 REMARK 500 THIS ENTRY HAS 55 BOND DEVIATIONS. 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 4 DA D 3 O4' - C1' - N9 ANGL. DEV. = 1.8 DEGREES REMARK 500 6 TYR B 7 CD1 - CE1 - CZ ANGL. DEV. = -5.4 DEGREES REMARK 500 6 TYR B 7 CE1 - CZ - OH ANGL. DEV. = -17.1 DEGREES REMARK 500 8 DT C 11 O4' - C1' - N1 ANGL. DEV. = 2.0 DEGREES REMARK 500 18 DA D 3 O4' - C1' - N9 ANGL. DEV. = 1.9 DEGREES REMARK 500 19 DT C 11 O4' - C1' - N1 ANGL. DEV. = 1.9 DEGREES REMARK 500 19 THR B 19 N - CA - CB ANGL. DEV. = 11.7 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 1 PRO A 3 -173.73 -67.20 REMARK 500 1 GLN A 26 -55.63 176.79 REMARK 500 1 HIS A 29 75.19 -101.56 REMARK 500 1 ASN A 46 -47.85 74.48 REMARK 500 1 TYR A 47 96.60 59.58 REMARK 500 1 PRO A 49 -70.45 -61.93 REMARK 500 1 CYS A 52 -91.59 -111.87 REMARK 500 1 ALA A 53 72.86 -173.37 REMARK 500 1 GLN A 54 -67.90 -106.72 REMARK 500 1 ALA A 57 -76.21 -83.42 REMARK 500 1 LYS A 59 -65.92 -130.01 REMARK 500 1 GLN B 26 -44.48 163.63 REMARK 500 1 ASN B 46 -51.81 74.64 REMARK 500 1 TYR B 47 98.45 51.21 REMARK 500 1 ASN B 50 72.71 -153.86 REMARK 500 1 CYS B 52 -100.14 -95.85 REMARK 500 1 ALA B 53 82.27 -161.88 REMARK 500 2 PRO A 3 -109.13 -86.82 REMARK 500 2 GLN A 26 -41.09 86.77 REMARK 500 2 ALA A 27 -121.34 63.50 REMARK 500 2 SER A 28 -50.05 -166.22 REMARK 500 2 HIS A 29 -131.53 -99.89 REMARK 500 2 VAL A 30 150.40 73.93 REMARK 500 2 ASN A 46 -45.82 73.33 REMARK 500 2 TYR A 47 87.09 54.09 REMARK 500 2 ARG A 51 48.27 -99.71 REMARK 500 2 GLN A 55 -49.02 -140.56 REMARK 500 2 LEU A 56 -78.54 -179.76 REMARK 500 2 LYS A 59 -140.66 64.86 REMARK 500 2 LYS B 2 116.27 -160.25 REMARK 500 2 GLN B 26 74.16 87.94 REMARK 500 2 ASN B 46 -57.23 75.30 REMARK 500 2 TYR B 47 107.86 53.01 REMARK 500 2 ARG B 51 81.70 -157.52 REMARK 500 2 ALA B 53 -157.51 64.73 REMARK 500 2 GLN B 55 19.43 -161.33 REMARK 500 2 LYS B 59 -75.54 -129.26 REMARK 500 3 GLN A 26 -58.44 178.42 REMARK 500 3 ASN A 46 -48.00 74.25 REMARK 500 3 TYR A 47 76.01 49.90 REMARK 500 3 ASN A 50 -68.49 -153.49 REMARK 500 3 ARG A 51 -71.94 -90.36 REMARK 500 3 CYS A 52 -70.60 178.33 REMARK 500 3 ALA A 53 -160.14 -179.99 REMARK 500 3 GLN A 54 -77.73 -64.76 REMARK 500 3 GLN A 55 27.69 -143.01 REMARK 500 3 LYS B 2 -59.84 -124.10 REMARK 500 3 GLN B 26 -46.21 161.99 REMARK 500 3 ALA B 53 -169.62 74.66 REMARK 500 3 GLN B 54 -92.70 -84.01 REMARK 500 REMARK 500 THIS ENTRY HAS 365 RAMACHANDRAN OUTLIERS. 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 2 TYR B 47 0.07 SIDE CHAIN REMARK 500 5 TYR B 47 0.06 SIDE CHAIN REMARK 500 6 TYR B 7 0.07 SIDE CHAIN REMARK 500 7 TYR B 47 0.06 SIDE CHAIN REMARK 500 9 TYR B 17 0.06 SIDE CHAIN REMARK 500 11 TYR B 7 0.05 SIDE CHAIN REMARK 500 16 TYR B 7 0.07 SIDE CHAIN REMARK 500 16 TYR B 17 0.09 SIDE CHAIN REMARK 500 19 TYR B 47 0.06 SIDE CHAIN REMARK 500 20 TYR A 47 0.06 SIDE CHAIN REMARK 500 20 TYR B 7 0.05 SIDE CHAIN REMARK 500 20 TYR B 47 0.06 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1L1M RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED TO A NONSPECIFIC DNA OPERATOR DBREF 1OSL A 1 62 UNP P03023 LACI_ECOLI 1 62 DBREF 1OSL B 1 62 UNP P03023 LACI_ECOLI 1 62 DBREF 1OSL C 1 18 PDB 1OSL 1OSL 1 18 DBREF 1OSL D 1 18 PDB 1OSL 1OSL 1 18 SEQADV 1OSL CYS A 52 UNP P03023 VAL 52 ENGINEERED MUTATION SEQADV 1OSL CYS B 52 UNP P03023 VAL 52 ENGINEERED MUTATION SEQRES 1 C 18 DC DG DA DT DA DA DG DA DT DA DT DC DT SEQRES 2 C 18 DT DA DT DC DG SEQRES 1 D 18 DC DG DA DT DA DA DG DA DT DA DT DC DT SEQRES 2 D 18 DT DA DT DC DG SEQRES 1 A 62 MET LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA SEQRES 2 A 62 GLY VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN SEQRES 3 A 62 ALA SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU SEQRES 4 A 62 ALA ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG CYS SEQRES 5 A 62 ALA GLN GLN LEU ALA GLY LYS GLN SER LEU SEQRES 1 B 62 MET LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA SEQRES 2 B 62 GLY VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN SEQRES 3 B 62 ALA SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU SEQRES 4 B 62 ALA ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG CYS SEQRES 5 B 62 ALA GLN GLN LEU ALA GLY LYS GLN SER LEU HELIX 1 1 THR A 5 GLY A 14 1 10 HELIX 2 2 SER A 16 GLN A 26 1 11 HELIX 3 3 SER A 31 LEU A 45 1 15 HELIX 4 4 THR B 5 GLY B 14 1 10 HELIX 5 5 SER B 16 GLN B 26 1 11 HELIX 6 6 SER B 31 LEU B 45 1 15 SSBOND 1 CYS A 52 CYS B 52 1555 1555 2.03 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1