HEADER TRANSFERASE,TOXIN 20-JAN-04 1S5D TITLE CHOLERA HOLOTOXIN WITH AN A-SUBUNIT Y30S MUTATION, CRYSTAL FORM 2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHOLERA ENTEROTOXIN, A CHAIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NAD(+)--DIPHTHAMIDE ADP- RIBOSYLTRANSFERASE, CHOLERA COMPND 5 ENTEROTOXIN A SUBUNIT; COMPND 6 EC: 2.4.2.36; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: CHOLERA TOXIN B PROTEIN (CTB); COMPND 11 CHAIN: D, E, F, G, H; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 666; SOURCE 4 GENE: CTXA, TOXA, VC1457; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PEIA154; SOURCE 10 MOL_ID: 2; SOURCE 11 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 12 ORGANISM_TAXID: 666; SOURCE 13 GENE: CTXB, TOXB, VC1456; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 15 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PEIA154 KEYWDS CHOLERA TOXIN, HEAT-LABILE ENTEROTOXIN, ADP RIBOSE TRANSFERASES, AB5 KEYWDS 2 TOXINS, TRANSFERASE, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR C.J.O'NEAL,E.I.AMAYA,M.G.JOBLING,R.K.HOLMES,W.G.HOL REVDAT 7 16-OCT-24 1S5D 1 REMARK REVDAT 6 23-AUG-23 1S5D 1 REMARK REVDAT 5 27-OCT-21 1S5D 1 SEQADV HETSYN REVDAT 4 29-JUL-20 1S5D 1 COMPND REMARK HETNAM LINK REVDAT 4 2 1 SITE REVDAT 3 13-JUL-11 1S5D 1 VERSN REVDAT 2 24-FEB-09 1S5D 1 VERSN REVDAT 1 06-APR-04 1S5D 0 JRNL AUTH C.J.O'NEAL,E.I.AMAYA,M.G.JOBLING,R.K.HOLMES,W.G.HOL JRNL TITL CRYSTAL STRUCTURES OF AN INTRINSICALLY ACTIVE CHOLERA TOXIN JRNL TITL 2 MUTANT YIELD INSIGHT INTO THE TOXIN ACTIVATION MECHANISM JRNL REF BIOCHEMISTRY V. 43 3772 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15049684 JRNL DOI 10.1021/BI0360152 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 3 NUMBER OF REFLECTIONS : 77516 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) : 0.163 REMARK 3 R VALUE (WORKING SET) : 0.161 REMARK 3 FREE R VALUE : 0.191 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4074 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) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.80 REMARK 3 REFLECTION IN BIN (WORKING SET) : 4259 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2080 REMARK 3 BIN FREE R VALUE SET COUNT : 219 REMARK 3 BIN FREE R VALUE : 0.2600 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5693 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 91 REMARK 3 SOLVENT ATOMS : 603 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.56 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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): 0.102 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.099 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.063 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.973 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.950 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 5902 ; 0.010 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 5169 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 8000 ; 1.227 ; 1.943 REMARK 3 BOND ANGLES OTHERS (DEGREES): 12040 ; 0.708 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 726 ; 6.391 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 914 ; 0.077 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 6500 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 1120 ; 0.007 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1104 ; 0.221 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 5933 ; 0.263 ; 0.300 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 3249 ; 0.086 ; 0.500 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 915 ; 0.161 ; 0.500 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 3 ; 0.069 ; 0.500 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 8 ; 0.083 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 36 ; 0.338 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 24 ; 0.178 ; 0.500 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): 3653 ; 1.063 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 5887 ; 1.755 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2249 ; 1.293 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2112 ; 2.156 ; 3.000 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 : 1.40 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 1S5D COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000021387. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL 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) : 1.0000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : CUSTOM-MADE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 81705 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 38.920 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06800 REMARK 200 FOR THE DATA SET : 25.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 73.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.29100 REMARK 200 FOR SHELL : 3.370 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: CTY30S FORM 3 STRUCTURE (PDB ID 1S5B) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, SODIUM CITRATE, GALACTOSE, REMARK 280 VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 30.02750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.32800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 55.95200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.32800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 30.02750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 55.95200 REMARK 290 SMTRY3 4 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 19500 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26780 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -52.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, D, E, F, G, H 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 GLU A 29 REMARK 465 SER A 30 REMARK 465 PHE A 31 REMARK 465 ASP A 32 REMARK 465 ARG A 33 REMARK 465 GLY A 34 REMARK 465 THR A 35 REMARK 465 GLN A 49 REMARK 465 ASN A 189 REMARK 465 ALA A 190 REMARK 465 PRO A 191 REMARK 465 ARG A 192 REMARK 465 SER A 193 REMARK 465 SER A 194 REMARK 465 MET A 195 REMARK 465 SER A 196 REMARK 465 ASN A 197 REMARK 465 ILE A 236 REMARK 465 LYS A 237 REMARK 465 ASP A 238 REMARK 465 GLU A 239 REMARK 465 LEU A 240 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLN A 18 CD OE1 NE2 REMARK 470 ARG A 25 NE CZ NH1 NH2 REMARK 470 SER A 28 OG REMARK 470 GLN A 36 CG CD OE1 NE2 REMARK 470 THR A 48 OG1 CG2 REMARK 470 ARG A 67 NE CZ NH1 NH2 REMARK 470 LEU A 71 CD1 CD2 REMARK 470 ILE A 76 CD1 REMARK 470 GLU A 110 CD OE1 OE2 REMARK 470 ARG A 129 CG CD NE CZ NH1 NH2 REMARK 470 HIS A 131 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 137 CB CG CD OE1 OE2 REMARK 470 GLN A 138 CD OE1 NE2 REMARK 470 ARG A 141 NE CZ NH1 NH2 REMARK 470 ARG A 172 CD NE CZ NH1 NH2 REMARK 470 ARG A 175 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 201 CG CD OE1 OE2 REMARK 470 LYS A 202 CD CE NZ REMARK 470 LYS A 209 CD CE NZ REMARK 470 LYS A 217 NZ REMARK 470 ASN A 234 CG OD1 ND2 REMARK 470 LYS D 34 CD CE NZ REMARK 470 LYS D 63 CG CD CE NZ REMARK 470 LYS D 81 CE NZ REMARK 470 LYS E 62 CD CE NZ REMARK 470 LYS E 63 CG CD CE NZ REMARK 470 LYS E 81 NZ REMARK 470 ASN E 103 CB CG OD1 ND2 REMARK 470 HIS F 13 CG ND1 CD2 CE1 NE2 REMARK 470 LYS F 34 CE NZ REMARK 470 LYS F 62 CE NZ REMARK 470 LYS F 81 CE NZ REMARK 470 LYS G 34 CD CE NZ REMARK 470 LYS G 62 CD CE NZ REMARK 470 ASN G 103 CB CG OD1 ND2 REMARK 470 LYS H 34 CD CE NZ REMARK 470 LYS H 43 NZ REMARK 470 LYS H 63 CE NZ 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 ALA E 102 O HOH E 792 1.91 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 ARG A 54 124.25 -38.93 REMARK 500 HIS A 55 23.52 -151.65 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 241 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 1 O REMARK 620 2 THR A 90 O 172.0 REMARK 620 3 THR A 90 OG1 95.9 76.7 REMARK 620 4 TYR A 150 O 95.3 92.1 168.8 REMARK 620 5 LEU A 153 O 82.9 94.2 91.9 89.8 REMARK 620 6 HOH A 289 O 79.9 102.0 83.5 98.2 161.6 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1XTC RELATED DB: PDB REMARK 900 CHOLERA HOLOTOXIN REMARK 900 RELATED ID: 1LTS RELATED DB: PDB REMARK 900 HEAT-LABILE ENTEROTOXIN REMARK 900 RELATED ID: 1LTG RELATED DB: PDB REMARK 900 HEAT-LABILE ENTEROTOXIN WITH AN A-SUBUNIT R7K MUTATION REMARK 900 RELATED ID: 1LTA RELATED DB: PDB REMARK 900 HEAT-LABILE ENTEROTOXIN COMPLEXED WITH GALACTOSE DBREF 1S5D A 1 240 UNP P01555 CHTA_VIBCH 19 258 DBREF 1S5D D 1 103 UNP P01556 CHTB_VIBCH 22 124 DBREF 1S5D E 1 103 UNP P01556 CHTB_VIBCH 22 124 DBREF 1S5D F 1 103 UNP P01556 CHTB_VIBCH 22 124 DBREF 1S5D G 1 103 UNP P01556 CHTB_VIBCH 22 124 DBREF 1S5D H 1 103 UNP P01556 CHTB_VIBCH 22 124 SEQADV 1S5D SER A 30 UNP P01555 TYR 30 ENGINEERED MUTATION SEQRES 1 A 240 ASN ASP ASP LYS LEU TYR ARG ALA ASP SER ARG PRO PRO SEQRES 2 A 240 ASP GLU ILE LYS GLN SER GLY GLY LEU MET PRO ARG GLY SEQRES 3 A 240 GLN SER GLU SER PHE ASP ARG GLY THR GLN MET ASN ILE SEQRES 4 A 240 ASN LEU TYR ASP HIS ALA ARG GLY THR GLN THR GLY PHE SEQRES 5 A 240 VAL ARG HIS ASP ASP GLY TYR VAL SER THR SER ILE SER SEQRES 6 A 240 LEU ARG SER ALA HIS LEU VAL GLY GLN THR ILE LEU SER SEQRES 7 A 240 GLY HIS SER THR TYR TYR ILE TYR VAL ILE ALA THR ALA SEQRES 8 A 240 PRO ASN MET PHE ASN VAL ASN ASP VAL LEU GLY ALA TYR SEQRES 9 A 240 SER PRO HIS PRO ASP GLU GLN GLU VAL SER ALA LEU GLY SEQRES 10 A 240 GLY ILE PRO TYR SER GLN ILE TYR GLY TRP TYR ARG VAL SEQRES 11 A 240 HIS PHE GLY VAL LEU ASP GLU GLN LEU HIS ARG ASN ARG SEQRES 12 A 240 GLY TYR ARG ASP ARG TYR TYR SER ASN LEU ASP ILE ALA SEQRES 13 A 240 PRO ALA ALA ASP GLY TYR GLY LEU ALA GLY PHE PRO PRO SEQRES 14 A 240 GLU HIS ARG ALA TRP ARG GLU GLU PRO TRP ILE HIS HIS SEQRES 15 A 240 ALA PRO PRO GLY CYS GLY ASN ALA PRO ARG SER SER MET SEQRES 16 A 240 SER ASN THR CYS ASP GLU LYS THR GLN SER LEU GLY VAL SEQRES 17 A 240 LYS PHE LEU ASP GLU TYR GLN SER LYS VAL LYS ARG GLN SEQRES 18 A 240 ILE PHE SER GLY TYR GLN SER ASP ILE ASP THR HIS ASN SEQRES 19 A 240 ARG ILE LYS ASP GLU LEU SEQRES 1 D 103 THR PRO GLN ASN ILE THR ASP LEU CYS ALA GLU TYR HIS SEQRES 2 D 103 ASN THR GLN ILE HIS THR LEU ASN ASP LYS ILE PHE SER SEQRES 3 D 103 TYR THR GLU SER LEU ALA GLY LYS ARG GLU MET ALA ILE SEQRES 4 D 103 ILE THR PHE LYS ASN GLY ALA THR PHE GLN VAL GLU VAL SEQRES 5 D 103 PRO GLY SER GLN HIS ILE ASP SER GLN LYS LYS ALA ILE SEQRES 6 D 103 GLU ARG MET LYS ASP THR LEU ARG ILE ALA TYR LEU THR SEQRES 7 D 103 GLU ALA LYS VAL GLU LYS LEU CYS VAL TRP ASN ASN LYS SEQRES 8 D 103 THR PRO HIS ALA ILE ALA ALA ILE SER MET ALA ASN SEQRES 1 E 103 THR PRO GLN ASN ILE THR ASP LEU CYS ALA GLU TYR HIS SEQRES 2 E 103 ASN THR GLN ILE HIS THR LEU ASN ASP LYS ILE PHE SER SEQRES 3 E 103 TYR THR GLU SER LEU ALA GLY LYS ARG GLU MET ALA ILE SEQRES 4 E 103 ILE THR PHE LYS ASN GLY ALA THR PHE GLN VAL GLU VAL SEQRES 5 E 103 PRO GLY SER GLN HIS ILE ASP SER GLN LYS LYS ALA ILE SEQRES 6 E 103 GLU ARG MET LYS ASP THR LEU ARG ILE ALA TYR LEU THR SEQRES 7 E 103 GLU ALA LYS VAL GLU LYS LEU CYS VAL TRP ASN ASN LYS SEQRES 8 E 103 THR PRO HIS ALA ILE ALA ALA ILE SER MET ALA ASN SEQRES 1 F 103 THR PRO GLN ASN ILE THR ASP LEU CYS ALA GLU TYR HIS SEQRES 2 F 103 ASN THR GLN ILE HIS THR LEU ASN ASP LYS ILE PHE SER SEQRES 3 F 103 TYR THR GLU SER LEU ALA GLY LYS ARG GLU MET ALA ILE SEQRES 4 F 103 ILE THR PHE LYS ASN GLY ALA THR PHE GLN VAL GLU VAL SEQRES 5 F 103 PRO GLY SER GLN HIS ILE ASP SER GLN LYS LYS ALA ILE SEQRES 6 F 103 GLU ARG MET LYS ASP THR LEU ARG ILE ALA TYR LEU THR SEQRES 7 F 103 GLU ALA LYS VAL GLU LYS LEU CYS VAL TRP ASN ASN LYS SEQRES 8 F 103 THR PRO HIS ALA ILE ALA ALA ILE SER MET ALA ASN SEQRES 1 G 103 THR PRO GLN ASN ILE THR ASP LEU CYS ALA GLU TYR HIS SEQRES 2 G 103 ASN THR GLN ILE HIS THR LEU ASN ASP LYS ILE PHE SER SEQRES 3 G 103 TYR THR GLU SER LEU ALA GLY LYS ARG GLU MET ALA ILE SEQRES 4 G 103 ILE THR PHE LYS ASN GLY ALA THR PHE GLN VAL GLU VAL SEQRES 5 G 103 PRO GLY SER GLN HIS ILE ASP SER GLN LYS LYS ALA ILE SEQRES 6 G 103 GLU ARG MET LYS ASP THR LEU ARG ILE ALA TYR LEU THR SEQRES 7 G 103 GLU ALA LYS VAL GLU LYS LEU CYS VAL TRP ASN ASN LYS SEQRES 8 G 103 THR PRO HIS ALA ILE ALA ALA ILE SER MET ALA ASN SEQRES 1 H 103 THR PRO GLN ASN ILE THR ASP LEU CYS ALA GLU TYR HIS SEQRES 2 H 103 ASN THR GLN ILE HIS THR LEU ASN ASP LYS ILE PHE SER SEQRES 3 H 103 TYR THR GLU SER LEU ALA GLY LYS ARG GLU MET ALA ILE SEQRES 4 H 103 ILE THR PHE LYS ASN GLY ALA THR PHE GLN VAL GLU VAL SEQRES 5 H 103 PRO GLY SER GLN HIS ILE ASP SER GLN LYS LYS ALA ILE SEQRES 6 H 103 GLU ARG MET LYS ASP THR LEU ARG ILE ALA TYR LEU THR SEQRES 7 H 103 GLU ALA LYS VAL GLU LYS LEU CYS VAL TRP ASN ASN LYS SEQRES 8 H 103 THR PRO HIS ALA ILE ALA ALA ILE SER MET ALA ASN HET NA A 241 1 HET GOL A 242 6 HET GAL D 704 12 HET GOL D 705 6 HET GAL E 705 12 HET GOL E 706 6 HET GAL F 706 12 HET GOL F 707 6 HET GAL G 707 12 HET GOL G 708 6 HET GAL H 708 12 HETNAM NA SODIUM ION HETNAM GOL GLYCEROL HETNAM GAL BETA-D-GALACTOPYRANOSE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL HETSYN GAL BETA-D-GALACTOSE; D-GALACTOSE; GALACTOSE FORMUL 7 NA NA 1+ FORMUL 8 GOL 5(C3 H8 O3) FORMUL 9 GAL 5(C6 H12 O6) FORMUL 18 HOH *603(H2 O) HELIX 1 1 PRO A 12 GLY A 20 1 9 HELIX 2 2 PRO A 24 SER A 28 5 5 HELIX 3 3 ASN A 40 GLY A 47 1 8 HELIX 4 4 SER A 65 LEU A 77 1 13 HELIX 5 5 VAL A 97 GLY A 102 1 6 HELIX 6 6 ALA A 103 SER A 105 5 3 HELIX 7 7 HIS A 107 GLN A 111 5 5 HELIX 8 8 ARG A 146 ASN A 152 1 7 HELIX 9 9 PRO A 157 ALA A 165 5 9 HELIX 10 10 HIS A 171 GLU A 176 5 6 HELIX 11 11 PRO A 178 ALA A 183 5 6 HELIX 12 12 THR A 198 GLN A 227 1 30 HELIX 13 13 ASN D 4 ALA D 10 1 7 HELIX 14 14 SER D 60 GLU D 79 1 20 HELIX 15 15 ASN E 4 ALA E 10 1 7 HELIX 16 16 ILE E 58 GLU E 79 1 22 HELIX 17 17 ASN F 4 ALA F 10 1 7 HELIX 18 18 ILE F 58 SER F 60 5 3 HELIX 19 19 GLN F 61 THR F 78 1 18 HELIX 20 20 ASN G 4 ALA G 10 1 7 HELIX 21 21 SER G 60 THR G 78 1 19 HELIX 22 22 ASN H 4 ALA H 10 1 7 HELIX 23 23 ILE H 58 SER H 60 5 3 HELIX 24 24 GLN H 61 GLU H 79 1 19 SHEET 1 A 4 LYS A 4 ASP A 9 0 SHEET 2 A 4 THR A 82 ALA A 89 -1 O ILE A 88 N LEU A 5 SHEET 3 A 4 ILE A 124 HIS A 131 -1 O VAL A 130 N TYR A 83 SHEET 4 A 4 VAL A 134 LEU A 135 -1 O VAL A 134 N HIS A 131 SHEET 1 B 4 LYS A 4 ASP A 9 0 SHEET 2 B 4 THR A 82 ALA A 89 -1 O ILE A 88 N LEU A 5 SHEET 3 B 4 ILE A 124 HIS A 131 -1 O VAL A 130 N TYR A 83 SHEET 4 B 4 HIS A 140 ARG A 141 -1 O HIS A 140 N TRP A 127 SHEET 1 C 2 GLY A 21 LEU A 22 0 SHEET 2 C 2 ILE A 119 PRO A 120 -1 O ILE A 119 N LEU A 22 SHEET 1 D 3 TYR A 59 THR A 62 0 SHEET 2 D 3 VAL A 113 LEU A 116 -1 O ALA A 115 N VAL A 60 SHEET 3 D 3 MET A 94 ASN A 96 -1 N PHE A 95 O SER A 114 SHEET 1 E20 THR H 15 ASP H 22 0 SHEET 2 E20 VAL H 82 TRP H 88 -1 O LEU H 85 N HIS H 18 SHEET 3 E20 HIS H 94 ALA H 102 -1 O ALA H 97 N CYS H 86 SHEET 4 E20 SER D 26 SER D 30 -1 N TYR D 27 O MET H 101 SHEET 5 E20 ALA D 38 THR D 41 -1 O ILE D 39 N THR D 28 SHEET 6 E20 THR D 47 VAL D 50 -1 O PHE D 48 N ILE D 40 SHEET 7 E20 HIS D 94 ALA D 102 1 O ILE D 96 N GLN D 49 SHEET 8 E20 VAL D 82 TRP D 88 -1 N CYS D 86 O ALA D 97 SHEET 9 E20 THR D 15 ASP D 22 -1 N ASP D 22 O VAL D 82 SHEET 10 E20 VAL D 82 TRP D 88 -1 O VAL D 82 N ASP D 22 SHEET 11 E20 HIS D 94 ALA D 102 -1 O ALA D 97 N CYS D 86 SHEET 12 E20 SER E 26 SER E 30 -1 O TYR E 27 N MET D 101 SHEET 13 E20 ALA E 38 THR E 41 -1 O ILE E 39 N THR E 28 SHEET 14 E20 THR E 47 VAL E 50 -1 O PHE E 48 N ILE E 40 SHEET 15 E20 HIS E 94 ALA E 102 1 O ILE E 96 N GLN E 49 SHEET 16 E20 VAL E 82 TRP E 88 -1 N CYS E 86 O ALA E 97 SHEET 17 E20 THR E 15 ASP E 22 -1 N HIS E 18 O LEU E 85 SHEET 18 E20 VAL E 82 TRP E 88 -1 O LEU E 85 N HIS E 18 SHEET 19 E20 HIS E 94 ALA E 102 -1 O ALA E 97 N CYS E 86 SHEET 20 E20 SER F 26 SER F 30 -1 O TYR F 27 N MET E 101 SHEET 1 F16 ALA F 38 THR F 41 0 SHEET 2 F16 THR F 47 VAL F 50 -1 O PHE F 48 N ILE F 40 SHEET 3 F16 HIS F 94 ALA F 102 1 O ILE F 96 N GLN F 49 SHEET 4 F16 VAL F 82 TRP F 88 -1 N CYS F 86 O ALA F 97 SHEET 5 F16 THR F 15 ASP F 22 -1 N HIS F 18 O LEU F 85 SHEET 6 F16 VAL F 82 TRP F 88 -1 O LEU F 85 N HIS F 18 SHEET 7 F16 HIS F 94 ALA F 102 -1 O ALA F 97 N CYS F 86 SHEET 8 F16 SER G 26 SER G 30 -1 O TYR G 27 N MET F 101 SHEET 9 F16 MET G 37 THR G 41 -1 O ILE G 39 N THR G 28 SHEET 10 F16 THR G 47 VAL G 50 -1 O PHE G 48 N ILE G 40 SHEET 11 F16 HIS G 94 ALA G 102 1 O ILE G 96 N GLN G 49 SHEET 12 F16 VAL G 82 TRP G 88 -1 N CYS G 86 O ALA G 97 SHEET 13 F16 THR G 15 ASP G 22 -1 N HIS G 18 O LEU G 85 SHEET 14 F16 VAL G 82 TRP G 88 -1 O LEU G 85 N HIS G 18 SHEET 15 F16 HIS G 94 ALA G 102 -1 O ALA G 97 N CYS G 86 SHEET 16 F16 SER H 26 SER H 30 -1 O TYR H 27 N MET G 101 SHEET 1 G 3 ALA H 38 THR H 41 0 SHEET 2 G 3 THR H 47 VAL H 50 -1 O PHE H 48 N ILE H 40 SHEET 3 G 3 HIS H 94 ALA H 102 1 O ILE H 96 N GLN H 49 SSBOND 1 CYS A 187 CYS A 199 1555 1555 2.03 SSBOND 2 CYS E 9 CYS E 86 1555 1555 2.38 SSBOND 3 CYS G 9 CYS G 86 1555 1555 2.86 SSBOND 4 CYS H 9 CYS H 86 1555 1555 2.05 LINK O ASN A 1 NA NA A 241 1555 1555 2.52 LINK O THR A 90 NA NA A 241 1555 1555 2.53 LINK OG1 THR A 90 NA NA A 241 1555 1555 2.47 LINK O TYR A 150 NA NA A 241 1555 1555 2.38 LINK O LEU A 153 NA NA A 241 1555 1555 2.30 LINK NA NA A 241 O HOH A 289 1555 1555 2.39 CISPEP 1 GLU A 177 PRO A 178 0 2.83 CISPEP 2 THR D 92 PRO D 93 0 -4.41 CISPEP 3 THR E 92 PRO E 93 0 -2.24 CISPEP 4 ALA E 102 ASN E 103 0 -2.16 CISPEP 5 THR F 92 PRO F 93 0 -2.47 CISPEP 6 THR G 92 PRO G 93 0 -6.09 CISPEP 7 THR H 92 PRO H 93 0 -2.05 CRYST1 60.055 111.904 124.656 90.00 90.00 90.00 P 21 21 21 20 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 0.016651 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008936 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008022 0.00000