HEADER RECEPTOR/INHIBITOR 03-MAY-05 2BR8 TITLE CRYSTAL STRUCTURE OF ACETYLCHOLINE-BINDING PROTEIN (ACHBP) FROM TITLE 2 APLYSIA CALIFORNICA IN COMPLEX WITH AN ALPHA-CONOTOXIN PNIA VARIANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUBLE ACETYLCHOLINE RECEPTOR; COMPND 3 CHAIN: A, B, C, D, E; COMPND 4 SYNONYM: ACETYLCHOLINE-BINDING PROTEIN; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: HEPES BUFFER MOLECULE IDENTIFIED IN 4 OUT OF FIVE COMPND 7 BINDING SITES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: ALPHA-CONOTOXIN PNIA; COMPND 10 CHAIN: F, G, H, I, J; COMPND 11 SYNONYM: ALPHA-PNIA; COMPND 12 ENGINEERED: YES; COMPND 13 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: APLYSIA CALIFORNICA; SOURCE 3 ORGANISM_COMMON: CALIFORNIA SEA HARE; SOURCE 4 ORGANISM_TAXID: 6500; SOURCE 5 CELL: GLIAL CELL; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PFASTBACI; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: CONUS PENNACEUS; SOURCE 14 ORGANISM_COMMON: FEATHERED CONE; SOURCE 15 ORGANISM_TAXID: 37335 KEYWDS RECEPTOR/INHIBITOR, RECEPTOR-INHIBITOR COMPLEX, GLYCOPROTEIN, IGG- KEYWDS 2 FOLD, IMMUNOGLOBULIN DOMAIN, PENTAMER, NICOTINIC RECEPTOR, ALPHA- KEYWDS 3 CONOTOXIN, RECEPTOR, ACETYLCHOLINE RECEPTOR INHIBITOR, AMIDATION, KEYWDS 4 NEUROTOXIN, POSTSYNAPTIC NEUROTOXIN, SULFATION, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR P.H.N.CELIE,I.E.KASHEVEROV,D.Y.MORDVINTSEV,R.C.HOGG,P.VAN NIEROP, AUTHOR 2 R.VAN ELK,S.E.VAN ROSSUM-FIKKERT,M.N.ZHMAK,D.BERTRAND,V.TSETLIN, AUTHOR 3 T.K.SIXMA,A.B.SMIT REVDAT 5 06-NOV-24 2BR8 1 REMARK REVDAT 4 13-DEC-23 2BR8 1 LINK REVDAT 3 24-FEB-09 2BR8 1 VERSN REVDAT 2 20-DEC-06 2BR8 1 JRNL REVDAT 1 07-JUN-05 2BR8 0 JRNL AUTH P.H.N.CELIE,I.E.KASHEVEROV,D.Y.MORDVINTSEV,R.C.HOGG, JRNL AUTH 2 P.VAN NIEROP,R.VAN ELK,S.E.VAN ROSSUM-FIKKERT,M.N.ZHMAK, JRNL AUTH 3 D.BERTRAND,V.TSETLIN,T.K.SIXMA,A.B.SMIT JRNL TITL CRYSTAL STRUCTURE OF NICOTINIC ACETYLCHOLINE RECEPTOR JRNL TITL 2 HOMOLOG ACHBP IN COMPLEX WITH AN ALPHA-CONOTOXIN PNIA JRNL TITL 3 VARIANT JRNL REF NAT.STRUCT.MOL.BIOL. V. 12 582 2005 JRNL REFN ISSN 1545-9993 JRNL PMID 15951818 JRNL DOI 10.1038/NSMB951 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 51866 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) : 0.201 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2783 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) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.46 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3175 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2960 REMARK 3 BIN FREE R VALUE SET COUNT : 172 REMARK 3 BIN FREE R VALUE : 0.3650 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 8750 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 25 REMARK 3 SOLVENT ATOMS : 235 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.99 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.11000 REMARK 3 B22 (A**2) : 0.05000 REMARK 3 B33 (A**2) : 0.06000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.02000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.368 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.256 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.209 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 18.569 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.942 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.907 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 9000 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 12295 ; 1.532 ; 1.946 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 1095 ; 7.205 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 410 ;39.057 ;24.634 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1440 ;17.156 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 45 ;19.245 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 1370 ; 0.090 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 6865 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 3854 ; 0.223 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 5990 ; 0.308 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 419 ; 0.158 ; 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): 34 ; 0.445 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 7 ; 0.124 ; 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): 5727 ; 0.489 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 9075 ; 0.811 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3835 ; 1.148 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 3220 ; 1.824 ; 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 : 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 : 1.20 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 2BR8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1290023700. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-SEP-04 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 55263 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.800 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 3.450 REMARK 200 R MERGE (I) : 0.10000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.52 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.98 REMARK 200 R MERGE FOR SHELL (I) : 0.40000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.800 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 1UX2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18 % PEG 3350, 180 MM NA2SO4, 100 MM REMARK 280 BIS-TRIS PROPANE PH 7.5, PH 7.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 40.04250 REMARK 290 SMTRY3 2 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: DECAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DECAMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G, H, I, J 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 400 REMARK 400 COMPOUND REMARK 400 FUNCTION: ALPHA-CONOTOXINS INHIBIT THE NICOTINIC REMARK 400 ACETYLCHOLINE RECEPTORS (NACHR) REMARK 400 ENGINEERED RESIDUE IN CHAIN F, ALA 10 TO LEU REMARK 400 ENGINEERED RESIDUE IN CHAIN F, ASP 14 TO LYS REMARK 400 ENGINEERED RESIDUE IN CHAIN G, ALA 10 TO LEU REMARK 400 ENGINEERED RESIDUE IN CHAIN G, ASP 14 TO LYS REMARK 400 ENGINEERED RESIDUE IN CHAIN H, ALA 10 TO LEU REMARK 400 ENGINEERED RESIDUE IN CHAIN H, ASP 14 TO LYS REMARK 400 ENGINEERED RESIDUE IN CHAIN I, ALA 10 TO LEU REMARK 400 ENGINEERED RESIDUE IN CHAIN I, ASP 14 TO LYS REMARK 400 ENGINEERED RESIDUE IN CHAIN J, ALA 10 TO LEU REMARK 400 ENGINEERED RESIDUE IN CHAIN J, ASP 14 TO LYS 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 ARG A 206 REMARK 465 ALA A 207 REMARK 465 GLY A 208 REMARK 465 ASN A 209 REMARK 465 GLY A 210 REMARK 465 PHE A 211 REMARK 465 PHE A 212 REMARK 465 ARG A 213 REMARK 465 ASN A 214 REMARK 465 LEU A 215 REMARK 465 PHE A 216 REMARK 465 ASP A 217 REMARK 465 ARG B 206 REMARK 465 ALA B 207 REMARK 465 GLY B 208 REMARK 465 ASN B 209 REMARK 465 GLY B 210 REMARK 465 PHE B 211 REMARK 465 PHE B 212 REMARK 465 ARG B 213 REMARK 465 ASN B 214 REMARK 465 LEU B 215 REMARK 465 PHE B 216 REMARK 465 ASP B 217 REMARK 465 ARG C 206 REMARK 465 ALA C 207 REMARK 465 GLY C 208 REMARK 465 ASN C 209 REMARK 465 GLY C 210 REMARK 465 PHE C 211 REMARK 465 PHE C 212 REMARK 465 ARG C 213 REMARK 465 ASN C 214 REMARK 465 LEU C 215 REMARK 465 PHE C 216 REMARK 465 ASP C 217 REMARK 465 ARG D 206 REMARK 465 ALA D 207 REMARK 465 GLY D 208 REMARK 465 ASN D 209 REMARK 465 GLY D 210 REMARK 465 PHE D 211 REMARK 465 PHE D 212 REMARK 465 ARG D 213 REMARK 465 ASN D 214 REMARK 465 LEU D 215 REMARK 465 PHE D 216 REMARK 465 ASP D 217 REMARK 465 ARG E 206 REMARK 465 ALA E 207 REMARK 465 GLY E 208 REMARK 465 ASN E 209 REMARK 465 GLY E 210 REMARK 465 PHE E 211 REMARK 465 PHE E 212 REMARK 465 ARG E 213 REMARK 465 ASN E 214 REMARK 465 LEU E 215 REMARK 465 PHE E 216 REMARK 465 ASP E 217 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 O ASP A 42 O THR A 45 2.16 REMARK 500 O PRO G 13 N NH2 G 17 2.18 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 CYS H 16 C NH2 H 17 N -0.300 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 131 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP B 131 CB - CG - OD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 ASP B 195 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ASP D 131 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 ASP E 153 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 CYS F 16 CA - C - N ANGL. DEV. = -15.4 DEGREES REMARK 500 CYS F 16 O - C - N ANGL. DEV. = 14.5 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 2 -96.03 -26.95 REMARK 500 SER A 15 138.21 72.24 REMARK 500 ASN A 46 74.94 -102.91 REMARK 500 ASP A 87 51.40 -93.93 REMARK 500 THR A 128 124.69 -34.09 REMARK 500 ALA B 2 2.91 56.54 REMARK 500 ASN B 13 25.54 -140.62 REMARK 500 SER B 15 -54.34 -26.61 REMARK 500 PRO B 16 88.75 -48.56 REMARK 500 ASN B 46 72.91 -117.10 REMARK 500 ASP B 87 43.39 -93.75 REMARK 500 CYS B 125 115.33 -161.12 REMARK 500 ASP B 157 -78.55 -82.24 REMARK 500 ASP B 159 -62.48 -26.78 REMARK 500 SER C 9 -78.00 -56.35 REMARK 500 SER C 15 -81.44 5.83 REMARK 500 ASP C 37 138.47 -176.07 REMARK 500 ASN C 46 73.09 -101.00 REMARK 500 ASP C 87 45.04 -98.67 REMARK 500 GLN C 103 77.24 -104.95 REMARK 500 CYS C 125 117.06 -163.23 REMARK 500 SER C 148 -177.03 -67.81 REMARK 500 SER C 176 141.58 -170.21 REMARK 500 ALA D 2 -112.24 33.18 REMARK 500 SER D 15 -140.26 33.38 REMARK 500 ASP D 87 46.71 -96.90 REMARK 500 SER E 15 -74.15 -11.12 REMARK 500 ASP E 25 68.63 -118.88 REMARK 500 ASP E 37 149.58 -173.00 REMARK 500 ASN E 46 68.73 -105.62 REMARK 500 TYR E 70 44.03 -143.83 REMARK 500 ASP E 87 46.87 -95.31 REMARK 500 SER E 92 31.18 -140.93 REMARK 500 PHE E 115 116.95 -166.31 REMARK 500 ASN J 12 58.99 -147.07 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 B 16 MET B 17 147.66 REMARK 500 PRO C 16 MET C 17 149.18 REMARK 500 CYS C 188 CYS C 189 -149.91 REMARK 500 SER D 15 PRO D 16 -68.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C1206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E1206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 F1018 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 G1018 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 I1018 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PEN RELATED DB: PDB REMARK 900 ALPHA-CONOTOXIN PNI1 REMARK 900 RELATED ID: 2BR7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF ACETYLCHOLINE-BINDING PROTEIN (ACHBP) FROM REMARK 900 APLYSIA CALIFORNICA IN COMPLEX WITH HEPES REMARK 999 REMARK 999 SEQUENCE REMARK 999 PROTEIN CONTAINS SIGNAL SEQUENCE MLVSVYLALLVACVGQAHS THAT REMARK 999 IS CLEAVED UPON SECRETION AND IS NOT PRESENT IN PURIFIED REMARK 999 PROTEIN. RESIDUES ARG206 - ASP217 IN CHAIN A,B,C,D,E ARE REMARK 999 NOT VISUABLE IN THE STRUCTURE REMARK 999 PNIA IN THIS STRUCTURE CONTAINS TWO MUTATIONS A10L AND REMARK 999 D14K DBREF 2BR8 A 1 217 UNP Q8WSF8 Q8WSF8_APLCA 20 236 DBREF 2BR8 B 1 217 UNP Q8WSF8 Q8WSF8_APLCA 20 236 DBREF 2BR8 C 1 217 UNP Q8WSF8 Q8WSF8_APLCA 20 236 DBREF 2BR8 D 1 217 UNP Q8WSF8 Q8WSF8_APLCA 20 236 DBREF 2BR8 E 1 217 UNP Q8WSF8 Q8WSF8_APLCA 20 236 DBREF 2BR8 F 1 16 UNP P50984 CXAA_CONPE 1 16 DBREF 2BR8 F 17 17 PDB 2BR8 2BR8 17 17 DBREF 2BR8 G 1 16 UNP P50984 CXAA_CONPE 1 16 DBREF 2BR8 G 17 17 PDB 2BR8 2BR8 17 17 DBREF 2BR8 H 1 16 UNP P50984 CXAA_CONPE 1 16 DBREF 2BR8 H 17 17 PDB 2BR8 2BR8 17 17 DBREF 2BR8 I 1 16 UNP P50984 CXAA_CONPE 1 16 DBREF 2BR8 I 17 17 PDB 2BR8 2BR8 17 17 DBREF 2BR8 J 1 16 UNP P50984 CXAA_CONPE 1 16 DBREF 2BR8 J 17 17 PDB 2BR8 2BR8 17 17 SEQADV 2BR8 VAL A 41 UNP Q8WSF8 ALA 60 CONFLICT SEQADV 2BR8 VAL A 136 UNP Q8WSF8 ALA 155 CONFLICT SEQADV 2BR8 VAL B 41 UNP Q8WSF8 ALA 60 CONFLICT SEQADV 2BR8 VAL B 136 UNP Q8WSF8 ALA 155 CONFLICT SEQADV 2BR8 VAL C 41 UNP Q8WSF8 ALA 60 CONFLICT SEQADV 2BR8 VAL C 136 UNP Q8WSF8 ALA 155 CONFLICT SEQADV 2BR8 VAL D 41 UNP Q8WSF8 ALA 60 CONFLICT SEQADV 2BR8 VAL D 136 UNP Q8WSF8 ALA 155 CONFLICT SEQADV 2BR8 VAL E 41 UNP Q8WSF8 ALA 60 CONFLICT SEQADV 2BR8 VAL E 136 UNP Q8WSF8 ALA 155 CONFLICT SEQADV 2BR8 LEU F 10 UNP P50984 ALA 10 ENGINEERED MUTATION SEQADV 2BR8 LYS F 14 UNP P50984 ASP 14 ENGINEERED MUTATION SEQADV 2BR8 LEU G 10 UNP P50984 ALA 10 ENGINEERED MUTATION SEQADV 2BR8 LYS G 14 UNP P50984 ASP 14 ENGINEERED MUTATION SEQADV 2BR8 LEU H 10 UNP P50984 ALA 10 ENGINEERED MUTATION SEQADV 2BR8 LYS H 14 UNP P50984 ASP 14 ENGINEERED MUTATION SEQADV 2BR8 LEU I 10 UNP P50984 ALA 10 ENGINEERED MUTATION SEQADV 2BR8 LYS I 14 UNP P50984 ASP 14 ENGINEERED MUTATION SEQADV 2BR8 LEU J 10 UNP P50984 ALA 10 ENGINEERED MUTATION SEQADV 2BR8 LYS J 14 UNP P50984 ASP 14 ENGINEERED MUTATION SEQRES 1 A 217 GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN SEQRES 2 A 217 ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO SEQRES 3 A 217 LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL SEQRES 4 A 217 LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR SEQRES 5 A 217 TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP SEQRES 6 A 217 ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR SEQRES 7 A 217 SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR SEQRES 8 A 217 SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE SEQRES 9 A 217 ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO SEQRES 10 A 217 ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL SEQRES 11 A 217 ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY SEQRES 12 A 217 SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR SEQRES 13 A 217 ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER SEQRES 14 A 217 SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN SEQRES 15 A 217 VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP SEQRES 16 A 217 VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY SEQRES 17 A 217 ASN GLY PHE PHE ARG ASN LEU PHE ASP SEQRES 1 B 217 GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN SEQRES 2 B 217 ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO SEQRES 3 B 217 LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL SEQRES 4 B 217 LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR SEQRES 5 B 217 TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP SEQRES 6 B 217 ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR SEQRES 7 B 217 SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR SEQRES 8 B 217 SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE SEQRES 9 B 217 ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO SEQRES 10 B 217 ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL SEQRES 11 B 217 ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY SEQRES 12 B 217 SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR SEQRES 13 B 217 ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER SEQRES 14 B 217 SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN SEQRES 15 B 217 VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP SEQRES 16 B 217 VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY SEQRES 17 B 217 ASN GLY PHE PHE ARG ASN LEU PHE ASP SEQRES 1 C 217 GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN SEQRES 2 C 217 ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO SEQRES 3 C 217 LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL SEQRES 4 C 217 LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR SEQRES 5 C 217 TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP SEQRES 6 C 217 ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR SEQRES 7 C 217 SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR SEQRES 8 C 217 SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE SEQRES 9 C 217 ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO SEQRES 10 C 217 ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL SEQRES 11 C 217 ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY SEQRES 12 C 217 SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR SEQRES 13 C 217 ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER SEQRES 14 C 217 SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN SEQRES 15 C 217 VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP SEQRES 16 C 217 VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY SEQRES 17 C 217 ASN GLY PHE PHE ARG ASN LEU PHE ASP SEQRES 1 D 217 GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN SEQRES 2 D 217 ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO SEQRES 3 D 217 LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL SEQRES 4 D 217 LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR SEQRES 5 D 217 TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP SEQRES 6 D 217 ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR SEQRES 7 D 217 SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR SEQRES 8 D 217 SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE SEQRES 9 D 217 ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO SEQRES 10 D 217 ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL SEQRES 11 D 217 ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY SEQRES 12 D 217 SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR SEQRES 13 D 217 ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER SEQRES 14 D 217 SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN SEQRES 15 D 217 VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP SEQRES 16 D 217 VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY SEQRES 17 D 217 ASN GLY PHE PHE ARG ASN LEU PHE ASP SEQRES 1 E 217 GLN ALA ASN LEU MET ARG LEU LYS SER ASP LEU PHE ASN SEQRES 2 E 217 ARG SER PRO MET TYR PRO GLY PRO THR LYS ASP ASP PRO SEQRES 3 E 217 LEU THR VAL THR LEU GLY PHE THR LEU GLN ASP ILE VAL SEQRES 4 E 217 LYS VAL ASP SER SER THR ASN GLU VAL ASP LEU VAL TYR SEQRES 5 E 217 TYR GLU GLN GLN ARG TRP LYS LEU ASN SER LEU MET TRP SEQRES 6 E 217 ASP PRO ASN GLU TYR GLY ASN ILE THR ASP PHE ARG THR SEQRES 7 E 217 SER ALA ALA ASP ILE TRP THR PRO ASP ILE THR ALA TYR SEQRES 8 E 217 SER SER THR ARG PRO VAL GLN VAL LEU SER PRO GLN ILE SEQRES 9 E 217 ALA VAL VAL THR HIS ASP GLY SER VAL MET PHE ILE PRO SEQRES 10 E 217 ALA GLN ARG LEU SER PHE MET CYS ASP PRO THR GLY VAL SEQRES 11 E 217 ASP SER GLU GLU GLY VAL THR CYS ALA VAL LYS PHE GLY SEQRES 12 E 217 SER TRP VAL TYR SER GLY PHE GLU ILE ASP LEU LYS THR SEQRES 13 E 217 ASP THR ASP GLN VAL ASP LEU SER SER TYR TYR ALA SER SEQRES 14 E 217 SER LYS TYR GLU ILE LEU SER ALA THR GLN THR ARG GLN SEQRES 15 E 217 VAL GLN HIS TYR SER CYS CYS PRO GLU PRO TYR ILE ASP SEQRES 16 E 217 VAL ASN LEU VAL VAL LYS PHE ARG GLU ARG ARG ALA GLY SEQRES 17 E 217 ASN GLY PHE PHE ARG ASN LEU PHE ASP SEQRES 1 F 17 GLY CYS CYS SER LEU PRO PRO CYS ALA LEU ASN ASN PRO SEQRES 2 F 17 LYS TYR CYS NH2 SEQRES 1 G 17 GLY CYS CYS SER LEU PRO PRO CYS ALA LEU ASN ASN PRO SEQRES 2 G 17 LYS TYR CYS NH2 SEQRES 1 H 17 GLY CYS CYS SER LEU PRO PRO CYS ALA LEU ASN ASN PRO SEQRES 2 H 17 LYS TYR CYS NH2 SEQRES 1 I 17 GLY CYS CYS SER LEU PRO PRO CYS ALA LEU ASN ASN PRO SEQRES 2 I 17 LYS TYR CYS NH2 SEQRES 1 J 17 GLY CYS CYS SER LEU PRO PRO CYS ALA LEU ASN ASN PRO SEQRES 2 J 17 LYS TYR CYS NH2 HET NH2 F 17 1 HET NH2 G 17 1 HET NH2 H 17 1 HET NH2 I 17 1 HET NH2 J 17 1 HET SO4 C1206 5 HET SO4 E1206 5 HET SO4 F1018 5 HET SO4 G1018 5 HET SO4 I1018 5 HETNAM NH2 AMINO GROUP HETNAM SO4 SULFATE ION FORMUL 6 NH2 5(H2 N) FORMUL 11 SO4 5(O4 S 2-) FORMUL 16 HOH *235(H2 O) HELIX 1 1 GLN A 1 ARG A 14 1 14 HELIX 2 2 ASN A 61 MET A 64 5 4 HELIX 3 3 ASP A 66 GLY A 71 5 6 HELIX 4 4 ALA B 2 PHE B 12 1 11 HELIX 5 5 ASP B 66 TYR B 70 5 5 HELIX 6 6 ASN C 3 ASN C 13 1 11 HELIX 7 7 ASN C 61 MET C 64 5 4 HELIX 8 8 ASP C 66 GLY C 71 5 6 HELIX 9 9 ALA C 81 ILE C 83 5 3 HELIX 10 10 GLN D 1 ASN D 13 1 13 HELIX 11 11 ASN D 61 MET D 64 5 4 HELIX 12 12 ASP D 66 TYR D 70 5 5 HELIX 13 13 ALA D 81 ILE D 83 5 3 HELIX 14 14 GLN E 1 ASN E 13 1 13 HELIX 15 15 ASP E 66 GLY E 71 5 6 HELIX 16 16 ALA E 81 ILE E 83 5 3 HELIX 17 17 GLY F 1 SER F 4 5 4 HELIX 18 18 LEU F 5 ASN F 12 1 8 HELIX 19 19 GLY G 1 SER G 4 5 4 HELIX 20 20 LEU G 5 ASN G 12 1 8 HELIX 21 21 GLY H 1 SER H 4 5 4 HELIX 22 22 LEU H 5 ASN H 12 1 8 HELIX 23 23 GLY I 1 SER I 4 5 4 HELIX 24 24 LEU I 5 ASN I 12 1 8 HELIX 25 25 GLY J 1 SER J 4 5 4 HELIX 26 26 LEU J 5 ASN J 11 1 7 SHEET 1 AA 6 ASP A 75 SER A 79 0 SHEET 2 AA 6 ILE A 104 THR A 108 -1 O ALA A 105 N THR A 78 SHEET 3 AA 6 SER A 112 PHE A 115 -1 O SER A 112 N THR A 108 SHEET 4 AA 6 GLU A 47 LYS A 59 -1 O GLN A 56 N PHE A 115 SHEET 5 AA 6 LEU A 27 ASP A 42 -1 O THR A 30 N ARG A 57 SHEET 6 AA 6 ILE A 152 LYS A 155 1 O ASP A 153 N VAL A 29 SHEET 1 AB 6 ASP A 75 SER A 79 0 SHEET 2 AB 6 ILE A 104 THR A 108 -1 O ALA A 105 N THR A 78 SHEET 3 AB 6 SER A 112 PHE A 115 -1 O SER A 112 N THR A 108 SHEET 4 AB 6 GLU A 47 LYS A 59 -1 O GLN A 56 N PHE A 115 SHEET 5 AB 6 ALA A 118 MET A 124 -1 O GLN A 119 N TYR A 52 SHEET 6 AB 6 GLN A 98 VAL A 99 -1 O GLN A 98 N ARG A 120 SHEET 1 AC 4 ILE A 88 ALA A 90 0 SHEET 2 AC 4 VAL A 136 SER A 144 -1 O GLY A 143 N THR A 89 SHEET 3 AC 4 TYR A 193 GLU A 204 -1 O VAL A 196 N PHE A 142 SHEET 4 AC 4 TYR A 172 GLN A 184 -1 O GLU A 173 N ARG A 203 SHEET 1 BA 6 ASP B 75 SER B 79 0 SHEET 2 BA 6 ILE B 104 THR B 108 -1 O ALA B 105 N THR B 78 SHEET 3 BA 6 ASP B 110 PHE B 115 -1 N GLY B 111 O THR B 108 SHEET 4 BA 6 GLU B 47 MET B 64 -1 O GLN B 56 N PHE B 115 SHEET 5 BA 6 LEU B 27 ASP B 42 -1 O THR B 30 N ARG B 57 SHEET 6 BA 6 ILE B 152 LYS B 155 1 O ASP B 153 N VAL B 29 SHEET 1 BB 6 ASP B 75 SER B 79 0 SHEET 2 BB 6 ILE B 104 THR B 108 -1 O ALA B 105 N THR B 78 SHEET 3 BB 6 ASP B 110 PHE B 115 -1 N GLY B 111 O THR B 108 SHEET 4 BB 6 GLU B 47 MET B 64 -1 O GLN B 56 N PHE B 115 SHEET 5 BB 6 ALA B 118 MET B 124 -1 O GLN B 119 N TYR B 52 SHEET 6 BB 6 GLN B 98 VAL B 99 -1 O GLN B 98 N ARG B 120 SHEET 1 BC 4 ILE B 88 ALA B 90 0 SHEET 2 BC 4 VAL B 136 SER B 144 -1 O GLY B 143 N THR B 89 SHEET 3 BC 4 TYR B 193 GLU B 204 -1 O VAL B 196 N PHE B 142 SHEET 4 BC 4 TYR B 172 GLN B 184 -1 O GLU B 173 N ARG B 203 SHEET 1 CA 6 ASP C 75 SER C 79 0 SHEET 2 CA 6 ILE C 104 THR C 108 -1 O ALA C 105 N THR C 78 SHEET 3 CA 6 SER C 112 PHE C 115 -1 O SER C 112 N THR C 108 SHEET 4 CA 6 GLU C 47 LYS C 59 -1 O GLN C 56 N PHE C 115 SHEET 5 CA 6 LEU C 27 ASP C 42 -1 O THR C 30 N ARG C 57 SHEET 6 CA 6 ILE C 152 LYS C 155 1 O ASP C 153 N VAL C 29 SHEET 1 CB 6 ASP C 75 SER C 79 0 SHEET 2 CB 6 ILE C 104 THR C 108 -1 O ALA C 105 N THR C 78 SHEET 3 CB 6 SER C 112 PHE C 115 -1 O SER C 112 N THR C 108 SHEET 4 CB 6 GLU C 47 LYS C 59 -1 O GLN C 56 N PHE C 115 SHEET 5 CB 6 ALA C 118 MET C 124 -1 O GLN C 119 N TYR C 52 SHEET 6 CB 6 GLN C 98 VAL C 99 -1 O GLN C 98 N ARG C 120 SHEET 1 CC 4 ILE C 88 ALA C 90 0 SHEET 2 CC 4 VAL C 136 SER C 144 -1 O GLY C 143 N THR C 89 SHEET 3 CC 4 TYR C 193 GLU C 204 -1 O VAL C 196 N PHE C 142 SHEET 4 CC 4 TYR C 172 GLN C 184 -1 O GLU C 173 N ARG C 203 SHEET 1 DA10 ASP D 75 SER D 79 0 SHEET 2 DA10 ILE D 104 THR D 108 -1 O ALA D 105 N THR D 78 SHEET 3 DA10 SER D 112 PHE D 115 -1 O SER D 112 N THR D 108 SHEET 4 DA10 GLU D 47 LYS D 59 -1 O GLN D 56 N PHE D 115 SHEET 5 DA10 GLN D 98 VAL D 99 0 SHEET 6 DA10 ALA D 118 MET D 124 -1 O ARG D 120 N GLN D 98 SHEET 7 DA10 GLU D 47 LYS D 59 -1 O VAL D 48 N PHE D 123 SHEET 8 DA10 ILE D 152 THR D 156 0 SHEET 9 DA10 LEU D 27 ASP D 42 1 O LEU D 27 N ASP D 153 SHEET 10 DA10 GLU D 47 LYS D 59 -1 O GLU D 47 N ASP D 42 SHEET 1 DB 4 ILE D 88 ALA D 90 0 SHEET 2 DB 4 VAL D 136 SER D 144 -1 O GLY D 143 N THR D 89 SHEET 3 DB 4 TYR D 193 GLU D 204 -1 O VAL D 196 N PHE D 142 SHEET 4 DB 4 TYR D 172 GLN D 184 -1 O GLU D 173 N ARG D 203 SHEET 1 EA10 ASP E 75 SER E 79 0 SHEET 2 EA10 ILE E 104 THR E 108 -1 O ALA E 105 N THR E 78 SHEET 3 EA10 ASP E 110 PHE E 115 -1 N GLY E 111 O THR E 108 SHEET 4 EA10 GLU E 47 MET E 64 -1 O GLN E 56 N PHE E 115 SHEET 5 EA10 GLN E 98 VAL E 99 0 SHEET 6 EA10 ALA E 118 MET E 124 -1 O ARG E 120 N GLN E 98 SHEET 7 EA10 GLU E 47 MET E 64 -1 O VAL E 48 N PHE E 123 SHEET 8 EA10 ILE E 152 LYS E 155 0 SHEET 9 EA10 LEU E 27 ASP E 42 1 O LEU E 27 N ASP E 153 SHEET 10 EA10 GLU E 47 MET E 64 -1 O GLU E 47 N ASP E 42 SHEET 1 EB 4 ILE E 88 ALA E 90 0 SHEET 2 EB 4 VAL E 136 SER E 144 -1 O GLY E 143 N THR E 89 SHEET 3 EB 4 CYS E 189 GLU E 204 -1 O VAL E 196 N PHE E 142 SHEET 4 EB 4 TYR E 172 TYR E 186 -1 O GLU E 173 N ARG E 203 SSBOND 1 CYS A 125 CYS A 138 1555 1555 2.01 SSBOND 2 CYS A 188 CYS A 189 1555 1555 2.05 SSBOND 3 CYS B 125 CYS B 138 1555 1555 2.01 SSBOND 4 CYS B 188 CYS B 189 1555 1555 2.04 SSBOND 5 CYS C 125 CYS C 138 1555 1555 1.99 SSBOND 6 CYS C 188 CYS C 189 1555 1555 2.05 SSBOND 7 CYS D 125 CYS D 138 1555 1555 2.01 SSBOND 8 CYS D 188 CYS D 189 1555 1555 2.03 SSBOND 9 CYS E 125 CYS E 138 1555 1555 2.01 SSBOND 10 CYS E 188 CYS E 189 1555 1555 2.05 SSBOND 11 CYS F 2 CYS F 8 1555 1555 2.04 SSBOND 12 CYS F 3 CYS F 16 1555 1555 2.06 SSBOND 13 CYS G 2 CYS G 8 1555 1555 2.03 SSBOND 14 CYS G 3 CYS G 16 1555 1555 2.03 SSBOND 15 CYS H 2 CYS H 8 1555 1555 2.04 SSBOND 16 CYS H 3 CYS H 16 1555 1555 2.03 SSBOND 17 CYS I 2 CYS I 8 1555 1555 2.05 SSBOND 18 CYS I 3 CYS I 16 1555 1555 2.04 SSBOND 19 CYS J 2 CYS J 8 1555 1555 2.04 SSBOND 20 CYS J 3 CYS J 16 1555 1555 2.03 LINK C CYS F 16 N NH2 F 17 1555 1555 1.41 LINK C CYS G 16 N NH2 G 17 1555 1555 1.36 LINK C CYS H 16 N NH2 H 17 1555 1555 1.04 LINK O CYS H 16 N NH2 H 17 1555 1555 2.00 LINK C CYS I 16 N NH2 I 17 1555 1555 1.37 LINK C CYS J 16 N NH2 J 17 1555 1555 1.66 SITE 1 AC1 8 TYR C 186 SER C 187 CYS C 188 HOH C2059 SITE 2 AC1 8 GLY H 1 CYS H 2 TYR H 15 HOH H2001 SITE 1 AC2 6 TYR E 186 SER E 187 CYS E 188 GLY J 1 SITE 2 AC2 6 CYS J 2 TYR J 15 SITE 1 AC3 5 TYR A 186 CYS A 188 GLY F 1 CYS F 2 SITE 2 AC3 5 TYR F 15 SITE 1 AC4 7 TYR B 186 SER B 187 CYS B 188 GLY G 1 SITE 2 AC4 7 CYS G 2 TYR G 15 HOH G2004 SITE 1 AC5 6 TYR D 186 SER D 187 CYS D 188 GLY I 1 SITE 2 AC5 6 CYS I 2 TYR I 15 CRYST1 67.473 80.085 134.043 90.00 93.20 90.00 P 1 21 1 10 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 0.014821 0.000000 0.000829 0.00000 SCALE2 0.000000 0.012487 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007472 0.00000 MTRIX1 1 0.980770 0.039410 -0.191160 4.57851 1 MTRIX2 1 -0.193430 0.327010 -0.925010 99.57220 1 MTRIX3 1 0.026060 0.944200 0.328340 -53.47471 1 MTRIX1 2 0.951470 -0.135880 -0.276130 23.79596 1 MTRIX2 2 -0.274500 -0.780370 -0.561840 180.98698 1 MTRIX3 2 -0.139140 0.610370 -0.779800 23.72210 1 MTRIX1 3 0.954340 -0.268960 -0.130000 29.25271 1 MTRIX2 3 -0.137470 -0.781760 0.608230 130.55984 1 MTRIX3 3 -0.265220 -0.562590 -0.783040 126.63183 1 MTRIX1 4 0.985190 -0.169980 0.022630 13.71913 1 MTRIX2 4 0.029160 0.296110 0.954710 21.09977 1 MTRIX3 4 -0.168990 -0.939910 0.296680 112.04836 1 MTRIX1 5 0.985970 0.041830 -0.161580 2.66594 1 MTRIX2 5 -0.166640 0.301130 -0.938910 101.02425 1 MTRIX3 5 0.009390 0.952660 0.303880 -52.03304 1 MTRIX1 6 0.983640 -0.027300 -0.178040 6.10870 1 MTRIX2 6 -0.126710 -0.807400 -0.576240 173.67000 1 MTRIX3 6 -0.128020 0.589380 -0.797650 25.92109 1 MTRIX1 7 0.957620 -0.253510 -0.136730 27.82446 1 MTRIX2 7 -0.090610 -0.715750 0.692450 116.21191 1 MTRIX3 7 -0.273410 -0.650720 -0.708390 133.62135 1 MTRIX1 8 0.988700 -0.089730 0.120070 0.91302 1 MTRIX2 8 -0.086670 0.311350 0.946330 28.22668 1 MTRIX3 8 -0.122300 -0.946050 0.300060 108.76913 1