HEADER TOXIN 07-JAN-08 3BVZ TITLE MANIPULATING THE COUPLED FOLDING AND BINDING PROCESS DRIVES AFFINITY TITLE 2 MATURATION IN A PROTEIN-PROTEIN COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENTEROTOXIN TYPE C-3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SEC3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 GENE: ENTC3; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS N-TERMINAL OLIGOSACCHARIDE/OLIGONUCLEOTIDE FOLD (OB FOLD), KEYWDS 2 ENTEROTOXIN, SECRETED, SUPERANTIGEN, TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR S.CHO REVDAT 2 06-NOV-24 3BVZ 1 REMARK SEQADV REVDAT 1 12-MAY-09 3BVZ 0 JRNL AUTH S.CHO,C.P.SWAMINATHAN,M.C.KERZIC,R.GUAN,J.YANG,M.C.KIEKE, JRNL AUTH 2 P.S.ANDERSEN,D.M.KRANTZ,R.A.MARIUZZA,S.J.ERIC JRNL TITL MANIPULATING THE COUPLED FOLDING AND BINDING PROCESS DRIVES JRNL TITL 2 AFFINITY MATURATION IN A PROTEIN-PROTEIN COMPLEX JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.2 REMARK 3 NUMBER OF REFLECTIONS : 11546 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) : 0.198 REMARK 3 R VALUE (WORKING SET) : 0.194 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 548 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) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 368 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 42.80 REMARK 3 BIN R VALUE (WORKING SET) : 0.2370 REMARK 3 BIN FREE R VALUE SET COUNT : 30 REMARK 3 BIN FREE R VALUE : 0.3400 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1866 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 141 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 31.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.21 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.29000 REMARK 3 B22 (A**2) : 0.29000 REMARK 3 B33 (A**2) : -0.59000 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): 0.385 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.286 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.156 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.200 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.930 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.866 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1900 ; 0.021 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2560 ; 1.809 ; 1.952 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 226 ; 7.578 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 97 ;36.045 ;25.876 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 351 ;16.835 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ;13.702 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 270 ; 0.140 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1443 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 840 ; 0.235 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1267 ; 0.300 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 153 ; 0.217 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.054 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 30 ; 0.276 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 4 ; 0.253 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): 1 ; 0.098 ; 0.200 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): 1170 ; 1.279 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1836 ; 2.150 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 844 ; 3.013 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 724 ; 4.766 ; 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 : 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: NULL REMARK 4 REMARK 4 3BVZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JAN-08. REMARK 100 THE DEPOSITION ID IS D_1000046024. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAY-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11716 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS-CL, PH 8.5, 2.4 M AMMONIUM REMARK 280 SULFATE, 2.25% POLYETHYLENE GLYCOL (PEG) 400 AND 2.25% TWEEN 20, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 143.70900 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 21.29800 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 21.29800 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 215.56350 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 21.29800 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 21.29800 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 71.85450 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 21.29800 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 21.29800 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 215.56350 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 21.29800 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 21.29800 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 71.85450 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 143.70900 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 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 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 SER A 96 REMARK 465 SER A 97 REMARK 465 LYS A 98 REMARK 465 ASP A 99 REMARK 465 ASN A 100 REMARK 465 LYS A 103 REMARK 465 TRP A 104 REMARK 465 TRP A 105 REMARK 465 HIS A 106 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 HOH A 241 O HOH A 378 1.42 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 GLU A 71 CB GLU A 71 CG 0.122 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 TYR A 32 146.32 -171.53 REMARK 500 PHE A 44 -83.63 -111.15 REMARK 500 LYS A 57 -101.88 -50.06 REMARK 500 LYS A 59 65.94 14.42 REMARK 500 ASN A 125 18.42 52.33 REMARK 500 SER A 178 -141.36 -148.59 REMARK 500 ASN A 238 -83.63 -95.37 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 ZN A 240 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 83 OD2 REMARK 620 2 HIS A 118 ND1 120.4 REMARK 620 3 HIS A 122 NE2 99.8 111.5 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 240 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BVG RELATED DB: PDB REMARK 900 A VARIANT OF STAPHYLOCOCCAL ENTEROTOXIN C3 REMARK 900 RELATED ID: 3BVM RELATED DB: PDB REMARK 900 A VARIANT OF STAPHYLOCOCCAL ENTEROTOXIN C3 REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES 128-133 (VGKVTG) OF UNP ENTRY P0A0L5 WERE REPLACED WITH REMARK 999 RESIDUES 103-106 (KWWH) IN THE CRYSTALLIZED SEQUENCE. DBREF 3BVZ A 1 239 UNP P0A0L5 ENTC3_STAAU 28 266 SEQADV 3BVZ A UNP P0A0L5 VAL 128 VARIANT SEQADV 3BVZ A UNP P0A0L5 GLY 129 VARIANT SEQADV 3BVZ TRP A 104 UNP P0A0L5 VAL 131 VARIANT SEQADV 3BVZ TRP A 105 UNP P0A0L5 THR 132 VARIANT SEQADV 3BVZ HIS A 106 UNP P0A0L5 GLY 133 VARIANT SEQRES 1 A 237 GLU SER GLN PRO ASP PRO MET PRO ASP ASP LEU HIS LYS SEQRES 2 A 237 SER SER GLU PHE THR GLY THR MET GLY ASN MET LYS TYR SEQRES 3 A 237 LEU TYR ASP ASP HIS TYR VAL SER ALA THR LYS VAL LYS SEQRES 4 A 237 SER VAL ASP LYS PHE LEU ALA HIS ASP LEU ILE TYR ASN SEQRES 5 A 237 ILE SER ASP LYS LYS LEU LYS ASN TYR ASP LYS VAL LYS SEQRES 6 A 237 THR GLU LEU LEU ASN GLU ASP LEU ALA LYS LYS TYR LYS SEQRES 7 A 237 ASP GLU VAL VAL ASP VAL TYR GLY SER ASN TYR TYR VAL SEQRES 8 A 237 ASN CYS TYR PHE SER SER LYS ASP ASN LYS TRP TRP HIS SEQRES 9 A 237 GLY LYS THR CYS MET TYR GLY GLY ILE THR LYS HIS GLU SEQRES 10 A 237 GLY ASN HIS PHE ASP ASN GLY ASN LEU GLN ASN VAL LEU SEQRES 11 A 237 VAL ARG VAL TYR GLU ASN LYS ARG ASN THR ILE SER PHE SEQRES 12 A 237 GLU VAL GLN THR ASP LYS LYS SER VAL THR ALA GLN GLU SEQRES 13 A 237 LEU ASP ILE LYS ALA ARG ASN PHE LEU ILE ASN LYS LYS SEQRES 14 A 237 ASN LEU TYR GLU PHE ASN SER SER PRO TYR GLU THR GLY SEQRES 15 A 237 TYR ILE LYS PHE ILE GLU ASN ASN GLY ASN THR PHE TRP SEQRES 16 A 237 TYR ASP MET MET PRO ALA PRO GLY ASP LYS PHE ASP GLN SEQRES 17 A 237 SER LYS TYR LEU MET MET TYR ASN ASP ASN LYS THR VAL SEQRES 18 A 237 ASP SER LYS SER VAL LYS ILE GLU VAL HIS LEU THR THR SEQRES 19 A 237 LYS ASN GLY HET ZN A 240 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *141(H2 O) HELIX 1 1 MET A 7 LEU A 11 5 5 HELIX 2 2 LYS A 13 PHE A 17 5 5 HELIX 3 3 MET A 21 ASP A 29 1 9 HELIX 4 4 ASN A 70 LYS A 78 1 9 HELIX 5 5 ALA A 156 ASN A 172 1 17 HELIX 6 6 ASP A 209 MET A 215 1 7 HELIX 7 7 MET A 216 ASN A 220 5 5 SHEET 1 A 3 VAL A 33 VAL A 38 0 SHEET 2 A 3 VAL A 82 GLY A 86 -1 O GLY A 86 N VAL A 33 SHEET 3 A 3 ILE A 115 LYS A 117 -1 O THR A 116 N ASP A 83 SHEET 1 B 3 ASP A 48 ASN A 52 0 SHEET 2 B 3 LYS A 63 GLU A 67 -1 O VAL A 64 N TYR A 51 SHEET 3 B 3 LYS A 108 TYR A 112 1 O THR A 109 N LYS A 65 SHEET 1 C 5 ARG A 140 THR A 149 0 SHEET 2 C 5 GLN A 129 GLU A 137 -1 N VAL A 133 O PHE A 145 SHEET 3 C 5 LYS A 229 THR A 236 1 O VAL A 232 N TYR A 136 SHEET 4 C 5 TYR A 181 ILE A 189 -1 N LYS A 187 O GLU A 231 SHEET 5 C 5 THR A 195 ASP A 199 -1 O PHE A 196 N PHE A 188 SHEET 1 D 2 SER A 153 THR A 155 0 SHEET 2 D 2 THR A 222 ASP A 224 -1 O VAL A 223 N VAL A 154 SSBOND 1 CYS A 93 CYS A 110 1555 1555 2.09 LINK OD2 ASP A 83 ZN ZN A 240 1555 1555 2.13 LINK ND1 HIS A 118 ZN ZN A 240 1555 1555 2.32 LINK NE2 HIS A 122 ZN ZN A 240 1555 1555 2.01 SITE 1 AC1 4 ASP A 9 ASP A 83 HIS A 118 HIS A 122 CRYST1 42.596 42.596 287.418 90.00 90.00 90.00 P 43 21 2 8 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 0.023477 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023477 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003479 0.00000