HEADER TRANSPORT PROTEIN 01-DEC-04 1Y50 TITLE X-RAY CRYSTAL STRUCTURE OF BACILLUS STEAROTHERMOPHILUS HISTIDINE TITLE 2 PHOSPHOCARRIER PROTEIN (HPR) F29W MUTANT DOMAIN_SWAPPED DIMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOCARRIER PROTEIN HPR; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HISTIDINE-CONTAINING PROTEIN, HISTIDINE PHOSPHOCARRIER COMPND 5 PROTEIN; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GEOBACILLUS STEAROTHERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 1422; SOURCE 4 GENE: PTSH; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: ES7R; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS BACILLUS STEAROTHERMOPHILUS F29W MUTANT DOMAIN-SWAPPED DIMER, KEYWDS 2 TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.SRIDHARAN,A.RAZVI,J.M.SCHOLTZ,J.C.SACCHETTINI REVDAT 6 03-APR-24 1Y50 1 REMARK REVDAT 5 14-FEB-24 1Y50 1 REMARK REVDAT 4 20-OCT-21 1Y50 1 REMARK SEQADV REVDAT 3 13-JUL-11 1Y50 1 VERSN REVDAT 2 24-FEB-09 1Y50 1 VERSN REVDAT 1 22-FEB-05 1Y50 0 JRNL AUTH S.SRIDHARAN,A.RAZVI,J.M.SCHOLTZ,J.C.SACCHETTINI JRNL TITL THE HPR PROTEINS FROM THE THERMOPHILE BACILLUS JRNL TITL 2 STEAROTHERMOPHILUS CAN FORM DOMAIN-SWAPPED DIMERS. JRNL REF J.MOL.BIOL. V. 346 919 2005 JRNL REFN ISSN 0022-2836 JRNL PMID 15713472 JRNL DOI 10.1016/J.JMB.2004.12.008 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 3 NUMBER OF REFLECTIONS : 5866 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) : 0.219 REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.298 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 290 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 317 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2840 REMARK 3 BIN FREE R VALUE SET COUNT : 10 REMARK 3 BIN FREE R VALUE : 0.3710 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 635 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 73 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 48.92 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.71000 REMARK 3 B22 (A**2) : 1.84000 REMARK 3 B33 (A**2) : -0.13000 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): 0.223 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.218 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.186 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 6.918 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.952 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.914 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 663 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 895 ; 1.388 ; 1.993 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 86 ; 5.271 ; 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): 108 ; 0.086 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 457 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 216 ; 0.220 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 20 ; 0.111 ; 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): 91 ; 0.230 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 14 ; 0.168 ; 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): 431 ; 2.617 ; 5.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 688 ; 3.862 ; 7.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 232 ; 5.521 ; 9.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 207 ; 7.561 ;11.000 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: NULL REMARK 4 REMARK 4 1Y50 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-DEC-04. REMARK 100 THE DEPOSITION ID IS D_1000031123. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 6.3 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) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6174 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05200 REMARK 200 FOR THE DATA SET : 31.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 70.9 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.24400 REMARK 200 FOR SHELL : 2.000 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: WILD-TYPE BSTHPR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 68-74 % AMMONIUM SULFATE, PH 6.3, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 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+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 0.00000 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 0.00000 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 17.43050 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.72700 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 41.43950 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 17.43050 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.72700 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 41.43950 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 17.43050 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 31.72700 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 41.43950 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 17.43050 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 31.72700 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 41.43950 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7860 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -108.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 34.86100 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 82.87900 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 18200 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14780 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -247.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 34.86100 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 63.45400 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 34.86100 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 -1.000000 82.87900 REMARK 350 BIOMT1 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 63.45400 REMARK 350 BIOMT3 4 0.000000 0.000000 -1.000000 82.87900 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 MET A 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 405 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Y4Y RELATED DB: PDB REMARK 900 X-RAY CRYSTAL STRUCTURE OF BACILLUS STEAROTHERMOPHILUS HISTIDINE REMARK 900 PHOSPHOCARRIER PROTEIN (HPR) DBREF 1Y50 A 1 88 UNP P42013 PTHP_BACST 1 88 SEQADV 1Y50 TRP A 29 UNP P42013 PHE 29 ENGINEERED MUTATION SEQRES 1 A 88 MET ALA GLU LYS THR PHE LYS VAL VAL SER ASP SER GLY SEQRES 2 A 88 ILE HIS ALA ARG PRO ALA THR ILE LEU VAL GLN THR ALA SEQRES 3 A 88 SER LYS TRP ASN SER GLU ILE GLN LEU GLU TYR ASN GLY SEQRES 4 A 88 LYS THR VAL ASN LEU LYS SER ILE MET GLY VAL MET SER SEQRES 5 A 88 LEU GLY ILE PRO LYS GLY ALA THR ILE LYS ILE THR ALA SEQRES 6 A 88 GLU GLY ALA ASP ALA ALA GLU ALA MET ALA ALA LEU THR SEQRES 7 A 88 ASP THR LEU ALA LYS GLU GLY LEU ALA GLU HET SO4 A 403 5 HET SO4 A 404 5 HET SO4 A 405 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 HOH *73(H2 O) HELIX 1 1 HIS A 15 LYS A 28 1 14 HELIX 2 2 SER A 46 MET A 51 1 6 HELIX 3 3 ASP A 69 GLU A 84 1 16 SHEET 1 A 2 GLN A 34 TYR A 37 0 SHEET 2 A 2 LYS A 40 ASN A 43 -1 O LYS A 40 N TYR A 37 SITE 1 AC1 3 LYS A 4 THR A 5 LYS A 83 SITE 1 AC2 5 ARG A 17 GLU A 32 ASN A 43 LYS A 45 SITE 2 AC2 5 HOH A 430 SITE 1 AC3 5 SER A 12 HIS A 15 ARG A 17 PRO A 18 SITE 2 AC3 5 HOH A 412 CRYST1 34.861 63.454 82.879 90.00 90.00 90.00 I 2 2 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 0.028685 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015759 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012066 0.00000