HEADER PROTEIN BINDING 12-OCT-07 2RIN TITLE ABC-TRANSPORTER CHOLINE BINDING PROTEIN IN COMPLEX WITH ACETYLCHOLINE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE GLYCINE BETAINE-BINDING ABC TRANSPORTER PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHIZOBIUM MELILOTI; SOURCE 3 ORGANISM_COMMON: SINORHIZOBIUM MELILOTI; SOURCE 4 GENE: OPUC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ABC-TRANSPORTER, TYPE II BINDING PROTEIN, AROMATIC BOX, KEYWDS 2 ACETYLCHOLINE, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR C.OSWALD,S.H.J.SMITS,M.HOEING,L.SOHN-BOESER,D.LE RUDULIER,L.SCHMITT, AUTHOR 2 E.BREMER REVDAT 6 06-NOV-24 2RIN 1 REMARK REVDAT 5 20-OCT-21 2RIN 1 REMARK SEQADV REVDAT 4 09-JUN-09 2RIN 1 REVDAT REVDAT 3 24-FEB-09 2RIN 1 VERSN REVDAT 2 13-JAN-09 2RIN 1 JRNL REVDAT 1 30-SEP-08 2RIN 0 JRNL AUTH C.OSWALD,S.H.SMITS,M.HOING,L.SOHN-BOSSER,L.DUPONT, JRNL AUTH 2 D.LE RUDULIER,L.SCHMITT,E.BREMER JRNL TITL CRYSTAL STRUCTURES OF THE CHOLINE/ACETYLCHOLINE JRNL TITL 2 SUBSTRATE-BINDING PROTEIN CHOX FROM SINORHIZOBIUM MELILOTI JRNL TITL 3 IN THE LIGANDED AND UNLIGANDED-CLOSED STATES. JRNL REF J.BIOL.CHEM. V. 283 32848 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18779321 JRNL DOI 10.1074/JBC.M806021200 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 89.3 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.154 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 2418 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 45783 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.154 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.210 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.300 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 2418 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 45783 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4360 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 236 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 4616.0 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 0 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 18466 REMARK 3 NUMBER OF RESTRAINTS : 18113 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 ANGLE DISTANCES (A) : 0.027 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.029 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.035 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.043 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.007 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.104 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2RIN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-OCT-07. REMARK 100 THE DEPOSITION ID IS D_1000044903. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-OCT-06 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51357 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.9 REMARK 200 DATA REDUNDANCY : 1.870 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 14.8900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : 1.73 REMARK 200 R MERGE FOR SHELL (I) : 0.05500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 4.420 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NA-ACETATE PH 5.0, 16% PEG 3350 REMARK 280 , VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 106.35000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 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 ALA A 28 REMARK 465 GLU A 29 REMARK 465 PRO A 30 REMARK 465 GLU A 319 REMARK 465 HIS A 320 REMARK 465 HIS A 321 REMARK 465 HIS A 322 REMARK 465 HIS A 323 REMARK 465 HIS A 324 REMARK 465 HIS A 325 REMARK 465 ALA B 28 REMARK 465 GLU B 29 REMARK 465 PRO B 30 REMARK 465 GLU B 319 REMARK 465 HIS B 320 REMARK 465 HIS B 321 REMARK 465 HIS B 322 REMARK 465 HIS B 323 REMARK 465 HIS B 324 REMARK 465 HIS B 325 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 ILE A 149 C - N - CA ANGL. DEV. = 16.4 DEGREES REMARK 500 ASP A 307 CB - CG - OD1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ARG B 111 NE - CZ - NH2 ANGL. DEV. = 3.1 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 LYS A 81 38.94 78.31 REMARK 500 ARG A 111 177.71 158.43 REMARK 500 TYR A 119 109.16 -162.16 REMARK 500 ALA A 139 -45.79 -28.61 REMARK 500 LYS A 142 -71.86 -51.39 REMARK 500 ILE A 152 -141.03 -121.32 REMARK 500 SER A 181 -78.98 -151.90 REMARK 500 HIS A 208 136.45 -175.71 REMARK 500 VAL A 225 -38.03 -143.71 REMARK 500 CYS A 247 75.30 -111.93 REMARK 500 SER A 298 96.79 -59.64 REMARK 500 THR B 120 172.43 177.38 REMARK 500 LYS B 133 -12.07 -145.44 REMARK 500 ILE B 152 -121.54 -111.46 REMARK 500 SER B 181 -84.88 -144.79 REMARK 500 SER B 182 -176.10 -177.69 REMARK 500 VAL B 225 -72.70 -95.40 REMARK 500 LEU B 257 89.91 -54.34 REMARK 500 PRO B 278 -8.24 -59.57 REMARK 500 ALA B 281 -75.34 -59.35 REMARK 500 ASN B 289 57.92 -141.07 REMARK 500 LEU B 297 34.40 -98.00 REMARK 500 ASP B 304 31.33 -89.55 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 ACH A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACH B 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2REG RELATED DB: PDB REMARK 900 RELATED ID: 2REJ RELATED DB: PDB REMARK 900 RELATED ID: 2RF1 RELATED DB: PDB DBREF 2RIN A 28 318 UNP Q92N37 Q92N37_RHIME 28 318 DBREF 2RIN B 28 318 UNP Q92N37 Q92N37_RHIME 28 318 SEQADV 2RIN ASP A 251 UNP Q92N37 GLY 251 ENGINEERED MUTATION SEQADV 2RIN GLU A 319 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS A 320 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS A 321 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS A 322 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS A 323 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS A 324 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS A 325 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN ASP B 251 UNP Q92N37 GLY 251 ENGINEERED MUTATION SEQADV 2RIN GLU B 319 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS B 320 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS B 321 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS B 322 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS B 323 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS B 324 UNP Q92N37 EXPRESSION TAG SEQADV 2RIN HIS B 325 UNP Q92N37 EXPRESSION TAG SEQRES 1 A 298 ALA GLU PRO GLU SER CYS GLY THR VAL ARG PHE SER ASP SEQRES 2 A 298 VAL GLY TRP THR ASP ILE THR ALA THR THR ALA THR ALA SEQRES 3 A 298 THR THR ILE LEU GLU ALA LEU GLY TYR GLU THR ASP VAL SEQRES 4 A 298 LYS VAL LEU SER VAL PRO VAL THR TYR THR SER LEU LYS SEQRES 5 A 298 ASN LYS ASP ILE ASP VAL PHE LEU GLY ASN TRP MET PRO SEQRES 6 A 298 THR MET GLU ALA ASP ILE ALA PRO TYR ARG GLU ASP LYS SEQRES 7 A 298 SER VAL GLU THR VAL ARG GLU ASN LEU ALA GLY ALA LYS SEQRES 8 A 298 TYR THR LEU ALA THR ASN ALA LYS GLY ALA GLU LEU GLY SEQRES 9 A 298 ILE LYS ASP PHE LYS ASP ILE ALA ALA HIS LYS ASP GLU SEQRES 10 A 298 LEU ASP GLY LYS ILE TYR GLY ILE GLU PRO GLY ASN ASP SEQRES 11 A 298 GLY ASN ARG LEU ILE ILE ASP MET VAL GLU LYS GLY THR SEQRES 12 A 298 PHE ASP LEU LYS GLY PHE GLU VAL VAL GLU SER SER GLU SEQRES 13 A 298 GLN GLY MET LEU ALA GLN VAL ALA ARG ALA GLU LYS SER SEQRES 14 A 298 GLY ASP PRO ILE VAL PHE LEU GLY TRP GLU PRO HIS PRO SEQRES 15 A 298 MET ASN ALA ASN PHE LYS LEU THR TYR LEU SER GLY GLY SEQRES 16 A 298 ASP ASP VAL PHE GLY PRO ASN TYR GLY GLY ALA THR VAL SEQRES 17 A 298 HIS THR ASN VAL ARG ALA GLY TYR THR THR GLU CYS PRO SEQRES 18 A 298 ASN VAL ASP LYS LEU LEU GLN ASN LEU SER PHE SER LEU SEQRES 19 A 298 GLN MET GLU ASN GLU ILE MET GLY LYS ILE LEU ASN ASP SEQRES 20 A 298 GLY GLU ASP PRO GLU LYS ALA ALA ALA ALA TRP LEU LYS SEQRES 21 A 298 ASP ASN PRO GLN SER ILE GLU PRO TRP LEU SER GLY VAL SEQRES 22 A 298 ALA THR LYS ASP GLY GLY ASP GLY LEU ALA ALA VAL LYS SEQRES 23 A 298 ALA ALA LEU GLY LEU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 B 298 ALA GLU PRO GLU SER CYS GLY THR VAL ARG PHE SER ASP SEQRES 2 B 298 VAL GLY TRP THR ASP ILE THR ALA THR THR ALA THR ALA SEQRES 3 B 298 THR THR ILE LEU GLU ALA LEU GLY TYR GLU THR ASP VAL SEQRES 4 B 298 LYS VAL LEU SER VAL PRO VAL THR TYR THR SER LEU LYS SEQRES 5 B 298 ASN LYS ASP ILE ASP VAL PHE LEU GLY ASN TRP MET PRO SEQRES 6 B 298 THR MET GLU ALA ASP ILE ALA PRO TYR ARG GLU ASP LYS SEQRES 7 B 298 SER VAL GLU THR VAL ARG GLU ASN LEU ALA GLY ALA LYS SEQRES 8 B 298 TYR THR LEU ALA THR ASN ALA LYS GLY ALA GLU LEU GLY SEQRES 9 B 298 ILE LYS ASP PHE LYS ASP ILE ALA ALA HIS LYS ASP GLU SEQRES 10 B 298 LEU ASP GLY LYS ILE TYR GLY ILE GLU PRO GLY ASN ASP SEQRES 11 B 298 GLY ASN ARG LEU ILE ILE ASP MET VAL GLU LYS GLY THR SEQRES 12 B 298 PHE ASP LEU LYS GLY PHE GLU VAL VAL GLU SER SER GLU SEQRES 13 B 298 GLN GLY MET LEU ALA GLN VAL ALA ARG ALA GLU LYS SER SEQRES 14 B 298 GLY ASP PRO ILE VAL PHE LEU GLY TRP GLU PRO HIS PRO SEQRES 15 B 298 MET ASN ALA ASN PHE LYS LEU THR TYR LEU SER GLY GLY SEQRES 16 B 298 ASP ASP VAL PHE GLY PRO ASN TYR GLY GLY ALA THR VAL SEQRES 17 B 298 HIS THR ASN VAL ARG ALA GLY TYR THR THR GLU CYS PRO SEQRES 18 B 298 ASN VAL ASP LYS LEU LEU GLN ASN LEU SER PHE SER LEU SEQRES 19 B 298 GLN MET GLU ASN GLU ILE MET GLY LYS ILE LEU ASN ASP SEQRES 20 B 298 GLY GLU ASP PRO GLU LYS ALA ALA ALA ALA TRP LEU LYS SEQRES 21 B 298 ASP ASN PRO GLN SER ILE GLU PRO TRP LEU SER GLY VAL SEQRES 22 B 298 ALA THR LYS ASP GLY GLY ASP GLY LEU ALA ALA VAL LYS SEQRES 23 B 298 ALA ALA LEU GLY LEU GLU HIS HIS HIS HIS HIS HIS HET ACH A 1 10 HET ACH B 1 10 HETNAM ACH ACETYLCHOLINE FORMUL 3 ACH 2(C7 H16 N O2 1+) FORMUL 5 HOH *236(H2 O) HELIX 1 1 TRP A 43 GLY A 61 1 19 HELIX 2 2 SER A 70 ASN A 80 1 11 HELIX 3 3 MET A 94 GLU A 103 1 10 HELIX 4 4 ALA A 125 GLY A 131 1 7 HELIX 5 5 ASP A 134 ALA A 140 5 7 HELIX 6 6 HIS A 141 ASP A 146 1 6 HELIX 7 7 ASN A 156 GLY A 169 1 14 HELIX 8 8 THR A 170 LEU A 173 5 4 HELIX 9 9 SER A 182 SER A 196 1 15 HELIX 10 10 PRO A 209 PHE A 214 1 6 HELIX 11 11 GLY A 227 GLY A 231 1 5 HELIX 12 12 GLY A 242 CYS A 247 1 6 HELIX 13 13 CYS A 247 LEU A 257 1 11 HELIX 14 14 SER A 260 ASN A 273 1 14 HELIX 15 15 ASP A 277 ASN A 289 1 13 HELIX 16 16 SER A 292 LEU A 297 1 6 HELIX 17 17 ASP A 307 GLY A 317 1 11 HELIX 18 18 TRP B 43 GLU B 58 1 16 HELIX 19 19 SER B 70 ASN B 80 1 11 HELIX 20 20 MET B 94 LYS B 105 1 12 HELIX 21 21 ASN B 124 LEU B 130 1 7 HELIX 22 22 ASP B 134 LYS B 142 5 9 HELIX 23 23 ASN B 156 LYS B 168 1 13 HELIX 24 24 SER B 182 GLY B 197 1 16 HELIX 25 25 PRO B 209 PHE B 214 1 6 HELIX 26 26 GLY B 227 GLY B 231 1 5 HELIX 27 27 GLY B 242 CYS B 247 1 6 HELIX 28 28 CYS B 247 LEU B 257 1 11 HELIX 29 29 SER B 260 ASN B 273 1 14 HELIX 30 30 ASP B 277 ASN B 289 1 13 HELIX 31 31 PRO B 290 ILE B 293 5 4 HELIX 32 32 ASP B 307 LEU B 316 1 10 SHEET 1 A 2 THR A 35 SER A 39 0 SHEET 2 A 2 GLU A 63 LYS A 67 1 O LYS A 67 N PHE A 38 SHEET 1 B 4 VAL A 85 MET A 91 0 SHEET 2 B 4 GLY A 232 ARG A 240 -1 O ASN A 238 N PHE A 86 SHEET 3 B 4 VAL A 107 ASN A 124 -1 N LEU A 114 O VAL A 235 SHEET 4 B 4 VAL A 201 GLU A 206 -1 O GLY A 204 N THR A 120 SHEET 1 C 4 VAL A 85 MET A 91 0 SHEET 2 C 4 GLY A 232 ARG A 240 -1 O ASN A 238 N PHE A 86 SHEET 3 C 4 VAL A 107 ASN A 124 -1 N LEU A 114 O VAL A 235 SHEET 4 C 4 LEU A 216 TYR A 218 -1 O THR A 217 N THR A 123 SHEET 1 D 2 LYS A 148 TYR A 150 0 SHEET 2 D 2 GLU A 177 VAL A 179 1 O VAL A 179 N ILE A 149 SHEET 1 E 6 GLU B 63 LYS B 67 0 SHEET 2 E 6 THR B 35 SER B 39 1 N VAL B 36 O GLU B 63 SHEET 3 E 6 VAL B 85 MET B 91 1 O VAL B 85 N ARG B 37 SHEET 4 E 6 GLY B 232 ARG B 240 -1 O HIS B 236 N ASN B 89 SHEET 5 E 6 VAL B 107 THR B 123 -1 N ALA B 117 O ALA B 233 SHEET 6 E 6 VAL B 201 GLU B 206 -1 O PHE B 202 N ALA B 122 SHEET 1 F 2 LYS B 148 TYR B 150 0 SHEET 2 F 2 GLU B 177 VAL B 179 1 O GLU B 177 N ILE B 149 SSBOND 1 CYS A 33 CYS A 247 1555 1555 2.04 SSBOND 2 CYS B 33 CYS B 247 1555 1555 2.05 CISPEP 1 MET A 91 PRO A 92 0 7.95 CISPEP 2 GLU A 206 PRO A 207 0 3.81 CISPEP 3 MET B 91 PRO B 92 0 12.07 CISPEP 4 GLU B 206 PRO B 207 0 8.88 SITE 1 AC1 9 TRP A 43 ASP A 45 TRP A 90 TYR A 119 SITE 2 AC1 9 ILE A 152 ASN A 156 ASP A 157 GLY A 158 SITE 3 AC1 9 TRP A 205 SITE 1 AC2 8 TRP B 43 ASP B 45 TRP B 90 MET B 94 SITE 2 AC2 8 TYR B 119 ASN B 156 ASP B 157 TRP B 205 CRYST1 31.200 212.700 42.800 90.00 90.10 90.00 P 1 21 1 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 0.032051 0.000000 0.000056 0.00000 SCALE2 0.000000 0.004701 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023365 0.00000