HEADER TRANSPORT PROTEIN 20-MAY-07 2JPO TITLE NMR STRUCTURE OF ANTHERAEA POLYPHEMUS PHEROMONE-BINDING PROTEIN 1 AT TITLE 2 PH 4.5 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHEROMONE-BINDING PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PBP; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ANTHERAEA POLYPHEMUS; SOURCE 3 ORGANISM_COMMON: POLYPHEMUS MOTH; SOURCE 4 ORGANISM_TAXID: 7120; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: VECTOR; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PET22B KEYWDS INSECT ODORANT-BINDING PROTEIN, PH-DEPENDENT CONFORMATION, HELIX KEYWDS 2 INSERTION, TRANSPORT PROTEIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR F.F.DAMBERGER,K.WUTHRICH,W.S.LEAL,Y.ISHIDA REVDAT 3 12-OCT-11 2JPO 1 LINK VERSN REVDAT 2 24-FEB-09 2JPO 1 VERSN REVDAT 1 30-OCT-07 2JPO 0 JRNL AUTH F.F.DAMBERGER,Y.ISHIDA,W.S.LEAL,K.WUTHRICH JRNL TITL STRUCTURAL BASIS OF LIGAND BINDING AND RELEASE IN INSECT JRNL TITL 2 PHEROMONE-BINDING PROTEINS: NMR STRUCTURE OF ANTHERAEA JRNL TITL 3 POLYPHEMUS PBP1 AT PH 4.5 JRNL REF J.MOL.BIOL. V. 373 811 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17884092 JRNL DOI 10.1016/J.JMB.2007.07.078 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.HERRMANN,P.GUNTERT,K.WUTHRICH REMARK 1 TITL PROTEIN NMR STRUCTURE DETERMINATION WITH AUTOMATED REMARK 1 TITL 2 NOE-IDENTIFICATION IN THE NOESY SPECTRA USING THE NEW REMARK 1 TITL 3 SOFTWARE ATNOS REMARK 1 REF J.BIOMOL.NMR V. 24 171 2002 REMARK 1 REFN ISSN 0925-2738 REMARK 1 PMID 12522306 REMARK 1 DOI 10.1023/A:1021614115432 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.HERRMANN,P.GUNTERT,K.WUTHRICH REMARK 1 TITL PROTEIN NMR STRUCTURE DETERMINATION WITH AUTOMATED NOE REMARK 1 TITL 2 ASSIGNMENT USING THE NEW SOFTWARE CANDID AND THE TORSION REMARK 1 TITL 3 ANGLE DYNAMICS ALGORITHM DYANA REMARK 1 REF J.MOL.BIOL. V. 319 209 2002 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 12051947 REMARK 1 DOI 10.1016/S0022-2836(02)00241-3 REMARK 1 REFERENCE 3 REMARK 1 AUTH P.GUNTERT,C.MUMENTHALER,K.WUTHRICH REMARK 1 TITL TORSION ANGLE DYNAMICS FOR NMR STRUCTURE CALCULATION WITH REMARK 1 TITL 2 THE NEW PROGRAM DYANA REMARK 1 REF J.MOL.BIOL. V. 273 283 1997 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 9367762 REMARK 1 DOI 10.1006/JMBI.1997.1284 REMARK 1 REFERENCE 4 REMARK 1 AUTH P.LUGINBUHL,P.GUNTERT,M.BILLETER,K.WUTHRICH REMARK 1 TITL THE NEW PROGRAM OPAL FOR MOLECULAR DYNAMICS SIMULATIONS AND REMARK 1 TITL 2 ENERGY REFINEMENT OF BIOLOGICAL MACROMOLECULES REMARK 1 REF J.BIOMOL.NMR V. 8 136 1996 REMARK 1 REFN ISSN 0925-2738 REMARK 1 PMID 8914272 REMARK 1 DOI 10.1007/BF00211160 REMARK 1 REFERENCE 5 REMARK 1 AUTH R.KORADI,M.BILLETER,P.GUNTERT REMARK 1 TITL POINT-CENTERED DOMAIN DECOMPOSITION FOR PARALLEL MOLECULAR REMARK 1 TITL 2 DYNAMICS SIMULATION REMARK 1 REF COMPUT.PHYS.COMMUN. V. 124 139 2000 REMARK 1 REFN ISSN 0010-4655 REMARK 1 REFERENCE 6 REMARK 1 AUTH R.KELLER REMARK 1 TITL THE COMPUTER-AIDED RESONANCE ASSIGNMENT TUTORIAL REMARK 1 REF CARA TUTORIAL 2004 REMARK 1 PUBL CANTINA VERLAG, GOLDAU, SWITZERLAND REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : OPALP 1.2 REMARK 3 AUTHORS : LUGINBUHL, GUNTERT, BILLETER, AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SIMULATED ANNEALING USING TORSION ANGLE REMARK 3 DYNAMICS FOLLOWED BY REFINEMENT IN A WATER BATH REMARK 4 REMARK 4 2JPO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-MAY-07. REMARK 100 THE RCSB ID CODE IS RCSB100132. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 4.50 REMARK 210 IONIC STRENGTH : 0.05 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.9 MM [U-99% 13C; U-99% 15N] REMARK 210 APOLPBP1, 2MM NAN3, 50MM REMARK 210 PHOSPHATE BUFFER, 95% H2O/5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 3D CBCA(CO)NH; 3D C(CO) NH; 3D REMARK 210 HNCO; 3D HNCA; 3D HNCACB; 3D REMARK 210 H(CCO)NH; 3D HCCH- TOCSY; 3D 1H- REMARK 210 15N NOESY; 3D 1H- 15N TOCSY; 3D REMARK 210 1H-13C NOESY; 3D HCCH-COSY; 3D REMARK 210 HN(CA)CO; 15N- RESOLVED; 1H,1H REMARK 210 TOCSY; 3D_15N- SEPARATED NOESY; REMARK 210 3D_13C- SEPARATED NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 900 MHZ; 750 MHZ; 500 MHZ; 600 REMARK 210 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE; DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CARA 1.8, ATNOS/CANDID 1.2, REMARK 210 DYANA 1.0.3, MOLMOL 2.2K REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS, REMARK 210 SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 80 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: TWO 13C-RESOLVED NOESY SPECTRA WERE MEASURED, ONE WITH THE REMARK 210 13C CARRIER CENTERED AT 35 PPM (ALIPHATICS), AND THE OTHER WITH REMARK 210 THE CARRIER AT 125 PPM (AROMATICS). ALL PROTONS WERE EXCITED AND REMARK 210 DECOUPLED WITH A REFOCUSSING 180 IN THE NOE DIMENSION, WHERE AS REMARK 210 BROADBAND 13C-DECOUPLING WAS ONLY APPLIED TO ONE OF THE TWO REMARK 210 CLASSES OF 1H DURING ACQUISITION. 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: MONOMERIC 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: 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 OD2 ASP A 32 HH TYR A 41 1.54 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 CYS A 117 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 7 LEU A 90 CB - CG - CD1 ANGL. DEV. = 10.2 DEGREES REMARK 500 10 CYS A 108 CA - CB - SG ANGL. DEV. = 11.4 DEGREES REMARK 500 12 VAL A 138 CA - CB - CG1 ANGL. DEV. = 9.1 DEGREES REMARK 500 13 VAL A 138 CA - CB - CG1 ANGL. DEV. = 9.0 DEGREES REMARK 500 14 VAL A 138 CA - CB - CG2 ANGL. DEV. = 9.1 DEGREES REMARK 500 15 LEU A 47 CB - CG - CD1 ANGL. DEV. = 11.9 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 1 GLU A 3 -70.50 -148.85 REMARK 500 1 LYS A 6 48.65 -148.24 REMARK 500 1 ASP A 39 -70.67 -145.96 REMARK 500 1 ASP A 40 105.18 -170.59 REMARK 500 2 GLU A 3 -77.14 -62.11 REMARK 500 2 ILE A 4 46.77 -140.23 REMARK 500 2 LYS A 6 83.53 33.08 REMARK 500 2 ASP A 21 -61.19 -104.48 REMARK 500 2 SER A 24 39.98 72.55 REMARK 500 2 SER A 28 -70.03 -61.24 REMARK 500 2 LYS A 38 -88.46 -106.39 REMARK 500 2 ASP A 39 -78.57 -76.12 REMARK 500 2 ASP A 40 31.25 -175.98 REMARK 500 2 ASN A 126 -10.98 79.38 REMARK 500 3 GLU A 3 -80.63 -94.64 REMARK 500 3 MET A 5 -174.70 -65.06 REMARK 500 3 SER A 9 -72.99 -117.38 REMARK 500 3 ASP A 21 -63.05 -106.14 REMARK 500 3 TRP A 37 79.01 -100.58 REMARK 500 3 LYS A 38 -48.84 -147.21 REMARK 500 3 ASP A 39 -77.29 -139.50 REMARK 500 3 ASP A 40 100.27 -165.05 REMARK 500 3 ASN A 72 77.22 -150.30 REMARK 500 3 ALA A 101 161.58 -47.48 REMARK 500 3 CYS A 108 -50.20 -125.81 REMARK 500 3 ASN A 126 -3.12 77.15 REMARK 500 4 GLU A 3 -73.97 -146.53 REMARK 500 4 LYS A 6 73.05 24.90 REMARK 500 4 LEU A 8 41.52 29.44 REMARK 500 4 SER A 9 -67.07 -124.43 REMARK 500 4 ASP A 21 -60.24 -108.17 REMARK 500 4 LYS A 38 -102.20 -82.31 REMARK 500 4 ASP A 39 -78.82 -84.28 REMARK 500 4 ASP A 40 89.98 -173.69 REMARK 500 4 THR A 85 -78.05 -78.96 REMARK 500 4 ASP A 106 125.66 -173.88 REMARK 500 5 GLU A 3 -76.81 -143.67 REMARK 500 5 MET A 5 177.27 -58.93 REMARK 500 5 LYS A 6 96.48 -46.82 REMARK 500 5 ASN A 7 61.89 -111.54 REMARK 500 5 LEU A 8 54.99 29.41 REMARK 500 5 SER A 9 -54.12 -131.63 REMARK 500 5 ASP A 21 -66.71 -99.21 REMARK 500 5 ASP A 39 -88.00 -131.25 REMARK 500 5 ASP A 40 88.55 -155.12 REMARK 500 5 ASN A 104 -63.60 -142.01 REMARK 500 5 ASP A 105 109.69 64.82 REMARK 500 5 ASN A 126 -20.07 79.19 REMARK 500 6 SER A 9 -78.55 -118.12 REMARK 500 6 ASP A 21 -60.88 -105.49 REMARK 500 REMARK 500 THIS ENTRY HAS 194 RAMACHANDRAN OUTLIERS. 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 PRO A 2 GLU A 3 11 -149.92 REMARK 500 ASP A 106 LYS A 107 14 149.32 REMARK 500 ASP A 39 ASP A 40 15 -147.05 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 4 PHE A 12 0.12 SIDE CHAIN REMARK 500 4 PHE A 118 0.08 SIDE CHAIN REMARK 500 5 TYR A 34 0.08 SIDE CHAIN REMARK 500 6 PHE A 12 0.08 SIDE CHAIN REMARK 500 8 PHE A 12 0.11 SIDE CHAIN REMARK 500 8 TYR A 41 0.07 SIDE CHAIN REMARK 500 9 PHE A 12 0.09 SIDE CHAIN REMARK 500 10 ARG A 46 0.12 SIDE CHAIN REMARK 500 14 PHE A 12 0.08 SIDE CHAIN REMARK 500 14 PHE A 36 0.08 SIDE CHAIN REMARK 500 16 TYR A 41 0.07 SIDE CHAIN REMARK 500 17 TYR A 41 0.07 SIDE CHAIN REMARK 500 19 PHE A 12 0.09 SIDE CHAIN REMARK 500 19 TYR A 41 0.07 SIDE CHAIN REMARK 500 20 PHE A 12 0.10 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 15 LEU A 8 24.9 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: KAPSCH AND SANDER REMARK 650 APPLIED TO MEAN BACKBONE COORDINATES REMARK 650 DERIVED FROM ALIGNING BACKBONE HEAVY ATOMS REMARK 650 OF RESIDUES 10-142. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1GM0 RELATED DB: PDB REMARK 900 BOMBYX MORI PHEROMONE-BINDING PROTEIN AT PH 4.5. REMARK 900 RELATED ID: 1TWO RELATED DB: PDB REMARK 900 ANTHERAEA POLYPHEMUS PHEROMONE-BINDING PROTEIN 1 AT PH 5.2. REMARK 900 RELATED ID: 1LS8 RELATED DB: PDB REMARK 900 BOMBYX MORI PHEROMONE-BINDING PROTEIN AT PH 6.5. REMARK 900 RELATED ID: 1QWV RELATED DB: PDB REMARK 900 ANTHERAEA POLYPHEMUS PHEROMONE-BINDING PROTEIN 1 AT PH 6.3 REMARK 900 RELATED ID: 1XFR RELATED DB: PDB REMARK 900 PROTEIN WITH 67% SEQUENCE IDENTITY TRUNCATED TO REMOVE C- REMARK 900 TERMINAL 12 RESIDUES REMARK 900 RELATED ID: 1DQE RELATED DB: PDB REMARK 900 PROTEIN WITH 67% SEQUENCE IDENTITY BOUND TO NATURAL LIGAND REMARK 900 BOMBYKOL REMARK 900 RELATED ID: 15256 RELATED DB: BMRB DBREF 2JPO A 1 142 UNP P20797 PBP_ANTPO 22 163 SEQRES 1 A 142 SER PRO GLU ILE MET LYS ASN LEU SER ASN ASN PHE GLY SEQRES 2 A 142 LYS ALA MET ASP GLN CYS LYS ASP GLU LEU SER LEU PRO SEQRES 3 A 142 ASP SER VAL VAL ALA ASP LEU TYR ASN PHE TRP LYS ASP SEQRES 4 A 142 ASP TYR VAL MET THR ASP ARG LEU ALA GLY CYS ALA ILE SEQRES 5 A 142 ASN CYS LEU ALA THR LYS LEU ASP VAL VAL ASP PRO ASP SEQRES 6 A 142 GLY ASN LEU HIS HIS GLY ASN ALA LYS ASP PHE ALA MET SEQRES 7 A 142 LYS HIS GLY ALA ASP GLU THR MET ALA GLN GLN LEU VAL SEQRES 8 A 142 ASP ILE ILE HIS GLY CYS GLU LYS SER ALA PRO PRO ASN SEQRES 9 A 142 ASP ASP LYS CYS MET LYS THR ILE ASP VAL ALA MET CYS SEQRES 10 A 142 PHE LYS LYS GLU ILE HIS LYS LEU ASN TRP VAL PRO ASN SEQRES 11 A 142 MET ASP LEU VAL ILE GLY GLU VAL LEU ALA GLU VAL HELIX 1 1 ASN A 10 GLU A 22 1 13 HELIX 2 2 ASP A 27 PHE A 36 1 10 HELIX 3 3 ARG A 46 LEU A 55 1 10 HELIX 4 4 LEU A 59 VAL A 62 1 4 HELIX 5 5 LYS A 74 MET A 78 1 5 HELIX 6 6 GLU A 84 SER A 100 1 17 HELIX 7 7 MET A 109 LYS A 124 1 16 SSBOND 1 CYS A 19 CYS A 54 1555 1555 2.03 SSBOND 2 CYS A 50 CYS A 108 1555 1555 2.04 SSBOND 3 CYS A 97 CYS A 117 1555 1555 2.04 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