HEADER TRANSPORT PROTEIN 02-MAY-07 2PQL TITLE CRYSTAL STRUCTURE OF ANOPHELES GAMBIAE D7R4-TRYPTAMINE COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: D7R4 PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 22-165; COMPND 5 SYNONYM: D7-RELATED 4 PROTEIN; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ANOPHELES GAMBIAE; SOURCE 3 ORGANISM_COMMON: AFRICAN MALARIA MOSQUITO; SOURCE 4 ORGANISM_TAXID: 7165; SOURCE 5 STRAIN: G3; SOURCE 6 GENE: D7R4; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS ALL-HELICAL, ODORANT-BINDING PROTEIN, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.F.ANDERSEN,B.J.MANS,E.CALVO,J.M.RIBEIRO REVDAT 6 30-OCT-24 2PQL 1 REMARK SEQADV REVDAT 5 18-OCT-17 2PQL 1 REMARK REVDAT 4 13-JUL-11 2PQL 1 VERSN REVDAT 3 24-FEB-09 2PQL 1 VERSN REVDAT 2 25-DEC-07 2PQL 1 JRNL REVDAT 1 09-OCT-07 2PQL 0 JRNL AUTH B.J.MANS,E.CALVO,J.M.RIBEIRO,J.F.ANDERSEN JRNL TITL THE CRYSTAL STRUCTURE OF D7R4, A SALIVARY BIOGENIC JRNL TITL 2 AMINE-BINDING PROTEIN FROM THE MALARIA MOSQUITO ANOPHELES JRNL TITL 3 GAMBIAE. JRNL REF J.BIOL.CHEM. V. 282 36626 2007 JRNL REFN ISSN 0021-9258 JRNL PMID 17928288 JRNL DOI 10.1074/JBC.M706410200 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.55 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 8601 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) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 407 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.26 REMARK 3 REFLECTION IN BIN (WORKING SET) : 573 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.82 REMARK 3 BIN R VALUE (WORKING SET) : 0.1610 REMARK 3 BIN FREE R VALUE SET COUNT : 35 REMARK 3 BIN FREE R VALUE : 0.3420 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1185 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 121 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.45 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.23000 REMARK 3 B22 (A**2) : 0.23000 REMARK 3 B33 (A**2) : -0.46000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.263 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.224 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.142 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 10.065 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.951 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.905 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1224 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1646 ; 1.347 ; 1.987 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 143 ;17.785 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 60 ;33.213 ;24.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 237 ;15.295 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;22.001 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 175 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 912 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 561 ; 0.222 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 845 ; 0.315 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 98 ; 0.201 ; 0.200 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): 19 ; 0.178 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 7 ; 0.230 ; 0.200 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): 737 ; 1.761 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1171 ; 2.569 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 532 ; 4.579 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 475 ; 6.656 ; 4.500 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 : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 144 REMARK 3 ORIGIN FOR THE GROUP (A): 8.5132 -22.3834 0.7297 REMARK 3 T TENSOR REMARK 3 T11: -0.0453 T22: -0.0841 REMARK 3 T33: -0.0609 T12: 0.0009 REMARK 3 T13: -0.0294 T23: -0.0223 REMARK 3 L TENSOR REMARK 3 L11: 3.2493 L22: 1.0201 REMARK 3 L33: 3.1253 L12: 0.4749 REMARK 3 L13: 1.6081 L23: 0.6602 REMARK 3 S TENSOR REMARK 3 S11: -0.3014 S12: 0.0181 S13: 0.3971 REMARK 3 S21: -0.1873 S22: 0.0600 S23: 0.0344 REMARK 3 S31: -0.3724 S32: -0.0958 S33: 0.2415 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : 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 2PQL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAY-07. REMARK 100 THE DEPOSITION ID IS D_1000042678. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-DEC-06 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 : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9790981 REMARK 200 MONOCHROMATOR : SI 111, SAGITALLY FOCUSED SI 111 REMARK 200 OPTICS : ROSENBAUM-ROCK VERTICAL FOCUSING REMARK 200 MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-3000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK, HKL-3000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8615 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 63.120 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 7.900 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 8.00 REMARK 200 R MERGE FOR SHELL (I) : 0.18900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 16.83 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: DIFFERENCE FOURIER USING FFT AFTER REFMAC REMARK 200 REFINEMENT REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.76 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20 % PEG 6000, 0.1 M TRIS HCL, PH 8.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K, PH 8.00 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 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 21.29800 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 31.94700 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 10.64900 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 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 0 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 LYS A 9 CD LYS A 9 CE 0.261 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 143 26.30 81.96 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 11 PRO A 12 -126.67 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 TSS A 145 DBREF 2PQL A 1 144 UNP Q9BIH3 Q9BIH3_ANOGA 22 165 SEQADV 2PQL MET A 0 UNP Q9BIH3 EXPRESSION TAG SEQRES 1 A 145 MET GLU THR VAL GLN ASP CYS GLU ASN LYS LEU PRO PRO SEQRES 2 A 145 SER LEU LYS SER ARG LEU CYS GLU ILE ARG ARG TYR GLU SEQRES 3 A 145 ILE ILE GLU GLY PRO GLU MET ASP LYS HIS ILE HIS CYS SEQRES 4 A 145 VAL MET ARG ALA LEU ASP PHE VAL TYR GLU ASP GLY ARG SEQRES 5 A 145 GLY ASP TYR HIS LYS LEU TYR ASP PRO LEU ASN ILE ILE SEQRES 6 A 145 GLU LEU ASP LYS ARG HIS ASP VAL ASN LEU GLU LYS CYS SEQRES 7 A 145 ILE GLY GLU CYS VAL GLN VAL PRO THR SER GLU ARG ALA SEQRES 8 A 145 HIS VAL PHE TYR LYS CYS LEU LEU LYS SER THR THR GLY SEQRES 9 A 145 ARG THR PHE LYS LYS VAL PHE ASP LEU MET GLU LEU LYS SEQRES 10 A 145 LYS ALA GLY LYS VAL PRO GLN HIS GLN ARG TYR THR ALA SEQRES 11 A 145 GLU PHE VAL GLN ILE MET LYS ASP TYR ASP LYS ALA LEU SEQRES 12 A 145 ASN CYS HET TSS A 145 12 HETNAM TSS 2-(1H-INDOL-3-YL)ETHANAMINE HETSYN TSS TRYPTAMINE FORMUL 2 TSS C10 H12 N2 FORMUL 3 HOH *121(H2 O) HELIX 1 1 THR A 2 LYS A 9 1 8 HELIX 2 2 LEU A 14 LEU A 14 5 1 HELIX 3 3 LYS A 15 LYS A 15 5 1 HELIX 4 4 SER A 16 SER A 16 5 1 HELIX 5 5 ARG A 17 ARG A 23 1 7 HELIX 6 6 MET A 32 ASP A 33 1 2 HELIX 7 7 LYS A 34 LYS A 34 1 1 HELIX 8 8 HIS A 35 LEU A 43 1 9 HELIX 9 9 ASP A 53 GLU A 65 1 13 HELIX 10 10 LYS A 68 VAL A 84 1 17 HELIX 11 11 GLU A 88 SER A 100 1 13 HELIX 12 12 THR A 102 ALA A 118 1 17 HELIX 13 13 THR A 128 LEU A 142 1 15 SSBOND 1 CYS A 6 CYS A 38 1555 1555 2.04 SSBOND 2 CYS A 19 CYS A 144 1555 1555 2.04 SSBOND 3 CYS A 77 CYS A 96 1555 1555 2.05 SITE 1 AC1 11 ILE A 21 ARG A 22 TYR A 24 HIS A 35 SITE 2 AC1 11 ILE A 36 TYR A 94 PHE A 110 ASP A 111 SITE 3 AC1 11 GLU A 114 MET A 135 HOH A 180 CRYST1 63.101 63.101 42.596 90.00 90.00 90.00 P 43 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 0.015848 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015848 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023476 0.00000