HEADER IMMUNE SYSTEM 08-OCT-98 1BXT TITLE STREPTOCOCCAL SUPERANTIGEN (SSA) FROM STREPTOCOCCUS PYOGENES COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (STREPTOCOCCAL SUPERANTIGEN); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PYOGENES; SOURCE 3 ORGANISM_TAXID: 1314; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PGEX-2T; SOURCE 7 EXPRESSION_SYSTEM_GENE: SSA KEYWDS BACTERIAL SUPERANTIGEN, MHC CLASS II INTERACTION, T CELL ACTIVATION, KEYWDS 2 TOXIC SHOCK-LIKE SYNDROME, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR E.SUNDBERG,T.JARDETZKY REVDAT 6 20-NOV-24 1BXT 1 REMARK REVDAT 5 03-APR-24 1BXT 1 SSBOND REVDAT 4 24-FEB-09 1BXT 1 VERSN REVDAT 3 01-APR-03 1BXT 1 JRNL REVDAT 2 22-DEC-99 1BXT 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 14-OCT-98 1BXT 0 JRNL AUTH E.SUNDBERG,T.S.JARDETZKY JRNL TITL STRUCTURAL BASIS FOR HLA-DQ BINDING BY THE STREPTOCOCCAL JRNL TITL 2 SUPERANTIGEN SSA. JRNL REF NAT.STRUCT.BIOL. V. 6 123 1999 JRNL REFN ISSN 1072-8368 JRNL PMID 10048922 JRNL DOI 10.1038/5809 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.9 REMARK 3 NUMBER OF REFLECTIONS : 35601 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : SHELL REMARK 3 R VALUE (WORKING SET) : 0.237 REMARK 3 FREE R VALUE : 0.263 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3596 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 374 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.676 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BXT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008139. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.009 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35601 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.0 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.08300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL 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: SEC3 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 72.00500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 72.00500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 40.95000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.27500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 40.95000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.27500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 72.00500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 40.95000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.27500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 72.00500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 40.95000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.27500 REMARK 290 SMTRY3 8 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 TYR A 94 REMARK 465 TYR A 95 REMARK 465 SER A 96 REMARK 465 GLU A 97 REMARK 465 GLY A 98 REMARK 465 ASN A 99 REMARK 465 SER A 100 REMARK 465 CYS A 101 REMARK 465 LYS A 102 REMARK 465 ASN A 103 REMARK 465 ALA A 104 REMARK 465 LYS A 105 REMARK 465 SER B 96 REMARK 465 GLU B 97 REMARK 465 GLY B 98 REMARK 465 ASN B 99 REMARK 465 SER B 100 REMARK 465 CYS B 101 REMARK 465 LYS B 102 REMARK 465 ASN B 103 REMARK 465 ALA B 104 REMARK 465 LYS B 105 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 LYS A 57 CG CD CE NZ REMARK 470 THR A 75 OG1 CG2 REMARK 470 TYR A 91 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS B 54 CG CD CE NZ REMARK 470 LYS B 57 CG CD CE NZ REMARK 470 THR B 75 OG1 CG2 REMARK 470 ASN B 92 CG OD1 ND2 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 NZ LYS A 59 O HOH A 399 1.42 REMARK 500 CE MET B 109 O HOH B 258 1.56 REMARK 500 OD1 ASN A 30 O HOH A 380 1.84 REMARK 500 CD2 LEU A 140 O HOH A 423 1.93 REMARK 500 N SER B 1 O HOH B 301 2.09 REMARK 500 O HOH A 324 O HOH A 361 2.14 REMARK 500 NZ LYS B 233 O HOH B 350 2.15 REMARK 500 OD2 ASP A 29 O HOH A 407 2.18 REMARK 500 OD1 ASN A 37 O HOH A 406 2.19 REMARK 500 O HOH A 289 O HOH A 318 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 CD2 TYR B 91 CD2 TYR B 91 3555 1.37 REMARK 500 CG TYR B 91 CE2 TYR B 91 3555 1.38 REMARK 500 CD1 TYR B 91 CZ TYR B 91 3555 1.41 REMARK 500 CE1 TYR B 91 CE1 TYR B 91 3555 1.43 REMARK 500 CE1 TYR B 91 CZ TYR B 91 3555 1.67 REMARK 500 CD1 TYR B 91 OH TYR B 91 3555 1.76 REMARK 500 CD2 TYR B 91 CE2 TYR B 91 3555 1.83 REMARK 500 O HOH A 261 O HOH B 409 3655 1.85 REMARK 500 OG SER A 1 O HOH B 276 3655 1.88 REMARK 500 CD1 TYR B 91 CE2 TYR B 91 3555 1.89 REMARK 500 N SER B 1 O HOH A 271 7555 1.91 REMARK 500 OH TYR B 91 O HOH B 383 3555 2.01 REMARK 500 OH TYR B 94 CZ PHE B 173 3555 2.01 REMARK 500 CG TYR B 91 CZ TYR B 91 3555 2.06 REMARK 500 CG TYR B 91 CD2 TYR B 91 3555 2.08 REMARK 500 O HOH A 253 O HOH A 414 3655 2.13 REMARK 500 OG SER B 1 O HOH A 290 7555 2.16 REMARK 500 N SER A 1 O HOH B 276 3655 2.19 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 TYR B 95 C TYR B 95 O 0.195 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 CYS A 93 CA - C - O ANGL. DEV. = -31.5 DEGREES REMARK 500 MET A 109 CG - SD - CE ANGL. DEV. = 9.8 DEGREES REMARK 500 TYR B 95 CA - C - O ANGL. DEV. = -44.3 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 ASN A 30 -140.46 -148.39 REMARK 500 ASN A 92 53.62 -106.82 REMARK 500 MET A 109 -164.22 -163.71 REMARK 500 ARG A 118 -3.35 71.43 REMARK 500 ASN A 138 97.75 -67.51 REMARK 500 ASN A 175 -140.62 -140.88 REMARK 500 ALA A 224 49.54 -142.28 REMARK 500 ASN B 30 -133.76 -107.49 REMARK 500 LEU B 45 -166.64 -121.45 REMARK 500 ASN B 92 56.10 98.83 REMARK 500 ARG B 118 -0.08 75.84 REMARK 500 ASN B 174 -70.36 -83.18 REMARK 500 ASN B 175 -140.55 -135.59 REMARK 500 ALA B 224 49.29 -142.00 REMARK 500 REMARK 500 REMARK: NULL DBREF 1BXT A 1 234 UNP Q54971 Q54971_STRPY 27 260 DBREF 1BXT B 1 234 UNP Q54971 Q54971_STRPY 27 260 SEQRES 1 A 234 SER SER GLN PRO ASP PRO THR PRO GLU GLN LEU ASN LYS SEQRES 2 A 234 SER SER GLN PHE THR GLY VAL MET GLY ASN LEU ARG CYS SEQRES 3 A 234 LEU TYR ASP ASN HIS PHE VAL GLU GLY THR ASN VAL ARG SEQRES 4 A 234 SER THR GLY GLN LEU LEU GLN HIS ASP LEU ILE PHE PRO SEQRES 5 A 234 ILE LYS ASP LEU LYS LEU LYS ASN TYR ASP SER VAL LYS SEQRES 6 A 234 THR GLU PHE ASN SER LYS ASP LEU ALA THR LYS TYR LYS SEQRES 7 A 234 ASN LYS ASP VAL ASP ILE PHE GLY SER ASN TYR TYR TYR SEQRES 8 A 234 ASN CYS TYR TYR SER GLU GLY ASN SER CYS LYS ASN ALA SEQRES 9 A 234 LYS LYS THR CYS MET TYR GLY GLY VAL THR GLU HIS HIS SEQRES 10 A 234 ARG ASN GLN ILE GLU GLY LYS PHE PRO ASN ILE THR VAL SEQRES 11 A 234 LYS VAL TYR GLU ASP ASN GLU ASN ILE LEU SER PHE ASP SEQRES 12 A 234 ILE THR THR ASN LYS LYS GLN VAL THR VAL GLN GLU LEU SEQRES 13 A 234 ASP CYS LYS THR ARG LYS ILE LEU VAL SER ARG LYS ASN SEQRES 14 A 234 LEU TYR GLU PHE ASN ASN SER PRO TYR GLU THR GLY TYR SEQRES 15 A 234 ILE LYS PHE ILE GLU SER SER GLY ASP SER PHE TRP TYR SEQRES 16 A 234 ASP MET MET PRO ALA PRO GLY ALA ILE PHE ASP GLN SER SEQRES 17 A 234 LYS TYR LEU MET LEU TYR ASN ASP ASN LYS THR VAL SER SEQRES 18 A 234 SER SER ALA ILE ALA ILE GLU VAL HIS LEU THR LYS LYS SEQRES 1 B 234 SER SER GLN PRO ASP PRO THR PRO GLU GLN LEU ASN LYS SEQRES 2 B 234 SER SER GLN PHE THR GLY VAL MET GLY ASN LEU ARG CYS SEQRES 3 B 234 LEU TYR ASP ASN HIS PHE VAL GLU GLY THR ASN VAL ARG SEQRES 4 B 234 SER THR GLY GLN LEU LEU GLN HIS ASP LEU ILE PHE PRO SEQRES 5 B 234 ILE LYS ASP LEU LYS LEU LYS ASN TYR ASP SER VAL LYS SEQRES 6 B 234 THR GLU PHE ASN SER LYS ASP LEU ALA THR LYS TYR LYS SEQRES 7 B 234 ASN LYS ASP VAL ASP ILE PHE GLY SER ASN TYR TYR TYR SEQRES 8 B 234 ASN CYS TYR TYR SER GLU GLY ASN SER CYS LYS ASN ALA SEQRES 9 B 234 LYS LYS THR CYS MET TYR GLY GLY VAL THR GLU HIS HIS SEQRES 10 B 234 ARG ASN GLN ILE GLU GLY LYS PHE PRO ASN ILE THR VAL SEQRES 11 B 234 LYS VAL TYR GLU ASP ASN GLU ASN ILE LEU SER PHE ASP SEQRES 12 B 234 ILE THR THR ASN LYS LYS GLN VAL THR VAL GLN GLU LEU SEQRES 13 B 234 ASP CYS LYS THR ARG LYS ILE LEU VAL SER ARG LYS ASN SEQRES 14 B 234 LEU TYR GLU PHE ASN ASN SER PRO TYR GLU THR GLY TYR SEQRES 15 B 234 ILE LYS PHE ILE GLU SER SER GLY ASP SER PHE TRP TYR SEQRES 16 B 234 ASP MET MET PRO ALA PRO GLY ALA ILE PHE ASP GLN SER SEQRES 17 B 234 LYS TYR LEU MET LEU TYR ASN ASP ASN LYS THR VAL SER SEQRES 18 B 234 SER SER ALA ILE ALA ILE GLU VAL HIS LEU THR LYS LYS FORMUL 3 HOH *374(H2 O) HELIX 1 1 PRO A 8 GLN A 10 5 3 HELIX 2 2 SER A 14 GLN A 16 5 3 HELIX 3 3 MET A 21 LEU A 27 5 7 HELIX 4 4 LYS A 71 TYR A 77 1 7 HELIX 5 5 VAL A 153 LYS A 168 1 16 HELIX 6 6 GLN A 207 TYR A 214 1 8 HELIX 7 7 PRO B 8 GLN B 10 5 3 HELIX 8 8 SER B 14 GLN B 16 5 3 HELIX 9 9 MET B 21 LEU B 27 5 7 HELIX 10 10 LYS B 71 TYR B 77 1 7 HELIX 11 11 VAL B 153 LYS B 168 1 16 HELIX 12 12 GLN B 207 TYR B 214 1 8 SHEET 1 A 3 VAL A 33 GLY A 35 0 SHEET 2 A 3 VAL A 82 GLY A 86 -1 N GLY A 86 O VAL A 33 SHEET 3 A 3 VAL A 113 GLU A 115 -1 N THR A 114 O ASP A 83 SHEET 1 B 3 ASP A 48 PHE A 51 0 SHEET 2 B 3 VAL A 64 GLU A 67 -1 N THR A 66 O LEU A 49 SHEET 3 B 3 THR A 107 TYR A 110 1 N THR A 107 O LYS A 65 SHEET 1 C 5 GLU A 137 ILE A 144 0 SHEET 2 C 5 ILE A 128 GLU A 134 -1 N GLU A 134 O GLU A 137 SHEET 3 C 5 ILE A 225 LYS A 233 1 N ILE A 227 O LYS A 131 SHEET 4 C 5 TYR A 178 GLU A 187 -1 N ILE A 186 O ALA A 226 SHEET 5 C 5 SER A 192 ASP A 196 -1 N TYR A 195 O ILE A 183 SHEET 1 D 2 GLN A 150 THR A 152 0 SHEET 2 D 2 THR A 219 SER A 221 -1 N VAL A 220 O VAL A 151 SHEET 1 E 3 VAL B 33 GLY B 35 0 SHEET 2 E 3 VAL B 82 GLY B 86 -1 N GLY B 86 O VAL B 33 SHEET 3 E 3 VAL B 113 GLU B 115 -1 N THR B 114 O ASP B 83 SHEET 1 F 3 ASP B 48 PHE B 51 0 SHEET 2 F 3 VAL B 64 GLU B 67 -1 N THR B 66 O LEU B 49 SHEET 3 F 3 CYS B 108 TYR B 110 1 N MET B 109 O LYS B 65 SHEET 1 G 5 GLU B 137 ILE B 144 0 SHEET 2 G 5 ILE B 128 GLU B 134 -1 N GLU B 134 O GLU B 137 SHEET 3 G 5 ILE B 225 LYS B 233 1 N ILE B 227 O LYS B 131 SHEET 4 G 5 TYR B 178 GLU B 187 -1 N ILE B 186 O ALA B 226 SHEET 5 G 5 SER B 192 ASP B 196 -1 N TYR B 195 O ILE B 183 SHEET 1 H 2 GLN B 150 THR B 152 0 SHEET 2 H 2 THR B 219 SER B 221 -1 N VAL B 220 O VAL B 151 SSBOND 1 CYS A 93 CYS A 108 1555 1555 2.65 SSBOND 2 CYS B 93 CYS B 108 1555 1555 2.49 CRYST1 81.900 84.550 144.010 90.00 90.00 90.00 C 2 2 21 16 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 0.012210 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011827 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006944 0.00000 MTRIX1 1 0.030400 0.999400 0.017500 41.45350 1 MTRIX2 1 -0.999100 0.030900 -0.028200 1.18980 1 MTRIX3 1 -0.028700 -0.016600 0.999500 -35.91800 1