HEADER UNKNOWN FUNCTION 19-SEP-04 1WQ2 TITLE NEUTRON CRYSTAL STRUCTURE OF DISSIMILATORY SULFITE REDUCTASE D (DSRD) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN DSVD; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: DISSIMILATORY SULFITE REDUCTASE D; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO VULGARIS; SOURCE 3 ORGANISM_TAXID: 881; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS NEUTRON HYDROGEN HYDRATION PROTEIN, UNKNOWN FUNCTION EXPDTA NEUTRON DIFFRACTION AUTHOR T.CHATAKE,N.MIZUNO,G.VOORDOUW,Y.HIGUCHI,S.ARAI,I.TANAKA,N.NIIMURA REVDAT 6 25-OCT-23 1WQ2 1 REMARK REVDAT 5 07-MAR-18 1WQ2 1 REMARK ATOM REVDAT 4 13-JUL-11 1WQ2 1 VERSN REVDAT 3 24-FEB-09 1WQ2 1 VERSN REVDAT 2 26-JUN-07 1WQ2 1 REMARK REVDAT 1 19-SEP-05 1WQ2 0 JRNL AUTH T.CHATAKE,N.MIZUNO,G.VOORDOUW,Y.HIGUCHI,S.ARAI,I.TANAKA, JRNL AUTH 2 N.NIIMURA JRNL TITL CRYSTALLIZATION AND PRELIMINARY NEUTRON ANALYSIS OF THE JRNL TITL 2 DISSIMILATORY SULFITE REDUCTASE D (DSRD) PROTEIN FROM THE JRNL TITL 3 SULFATE-REDUCING BACTERIUM DESULFOVIBRIO VULGARIS. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 59 2306 2003 JRNL REFN ISSN 0907-4449 JRNL PMID 14646103 JRNL DOI 10.1107/S0907444903020596 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.CHATAKE,A.OSTERMANN,K.KURIHARA,F.G.PARAK,N.MIZUNO, REMARK 1 AUTH 2 G.VOORDOUW,Y.HIGUCHI,I.TANAKA,N.NIIMURA REMARK 1 TITL HYDRATION STRUCTURES IN PROTEINS AND NEUTRON DIFFRACTION REMARK 1 TITL 2 EXPERIMENT ON DISSIMILATORY SUL TE REDUCTASE D (DSRD) REMARK 1 REF J.SYNCHROTRON RADIAT. V. 11 72 2004 REMARK 1 REFN ISSN 0909-0495 REMARK 1 PMID 14646138 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 6481 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 SET) : 0.229 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 767 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 : 976 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 99 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.30 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) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.36 REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.39 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.44 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.200 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1WQ2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-SEP-04. REMARK 100 THE DEPOSITION ID IS D_1000023869. REMARK 230 REMARK 230 EXPERIMENTAL DETAILS REMARK 230 EXPERIMENT TYPE : NEUTRON DIFFRACTION REMARK 230 DATE OF DATA COLLECTION : 05-MAY-03 REMARK 230 TEMPERATURE (KELVIN) : 293.0 REMARK 230 PH : 5.30 REMARK 230 NUMBER OF CRYSTALS USED : 1 REMARK 230 REMARK 230 NEUTRON SOURCE : NULL REMARK 230 BEAMLINE : NULL REMARK 230 WAVELENGTH OR RANGE (A) : 2.88 REMARK 230 MONOCHROMATOR : ELLASTICALLY BENT SILICON REMARK 230 OPTICS : MONOCHROMATOR BIX-3 REMARK 230 REMARK 230 DETECTOR TYPE : IMAGE PLATE REMARK 230 DETECTOR MANUFACTURER : NULL REMARK 230 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 230 DATA SCALING SOFTWARE : SCALEPACK REMARK 230 REMARK 230 NUMBER OF UNIQUE REFLECTIONS : 7001 REMARK 230 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 230 RESOLUTION RANGE LOW (A) : 100.000 REMARK 230 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 230 REMARK 230 OVERALL. REMARK 230 COMPLETENESS FOR RANGE (%) : 92.5 REMARK 230 DATA REDUNDANCY : NULL REMARK 230 R MERGE (I) : 0.14300 REMARK 230 R SYM (I) : NULL REMARK 230 FOR THE DATA SET : NULL REMARK 230 REMARK 230 IN THE HIGHEST RESOLUTION SHELL. REMARK 230 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 230 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 230 COMPLETENESS FOR SHELL (%) : 82.1 REMARK 230 DATA REDUNDANCY IN SHELL : NULL REMARK 230 R MERGE FOR SHELL (I) : 0.39500 REMARK 230 R SYM FOR SHELL (I) : NULL REMARK 230 FOR SHELL : 2.300 REMARK 230 REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 230 SOFTWARE USED : CNS REMARK 230 STARTING MODEL: PDB ENTRY 1UCR REMARK 230 REMARK 230 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DEUTERATED AMMONIU SULFATE, DEUTERATED REMARK 280 TRIS-HCL, PH 5.3, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 30.25000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 23.25000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.55000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 23.25000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 30.25000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.55000 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: 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 LYS A 15 REMARK 465 SER A 16 REMARK 465 GLY A 17 REMARK 465 SER A 18 REMARK 465 LYS A 19 REMARK 465 GLN A 71 REMARK 465 ALA A 72 REMARK 465 ALA A 73 REMARK 465 ALA A 74 REMARK 465 GLU A 75 REMARK 465 HIS A 76 REMARK 465 GLU A 77 REMARK 465 ASP A 78 REMARK 465 SER B 16 REMARK 465 GLY B 17 REMARK 465 GLY B 69 REMARK 465 LYS B 70 REMARK 465 GLN B 71 REMARK 465 ALA B 72 REMARK 465 ALA B 73 REMARK 465 ALA B 74 REMARK 465 GLU B 75 REMARK 465 HIS B 76 REMARK 465 GLU B 77 REMARK 465 ASP B 78 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 MET A 1 CB CG SD CE REMARK 470 GLU A 2 CB CG CD OE1 OE2 REMARK 470 GLU A 3 CB CG CD OE1 OE2 REMARK 470 SER A 20 CB OG REMARK 470 LYS A 21 CB CG CD CE NZ REMARK 470 ASP A 33 CB CG OD1 OD2 REMARK 470 MET A 34 CB CG SD CE REMARK 470 LYS A 35 CB CG CD CE NZ REMARK 470 GLU A 38 CB CG CD OE1 OE2 REMARK 470 LYS A 70 CB CG CD CE NZ REMARK 470 MET B 1 CB CG SD CE REMARK 470 GLU B 3 CB CG CD OE1 OE2 REMARK 470 LYS B 7 CB CG CD CE NZ REMARK 470 LYS B 15 CB CG CD CE NZ REMARK 470 SER B 20 CB OG REMARK 470 ASP B 33 CB CG OD1 OD2 REMARK 470 MET B 34 CB CG SD CE REMARK 470 LYS B 35 CB CG CD CE NZ REMARK 470 LYS B 41 CB CG CD CE NZ REMARK 470 MET B 62 CB CG SD CE 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 D1 DOD B 262 D2 DOD B 263 1.33 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 DD22 ASN A 48 HB3 LYS B 19 4445 1.35 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 THR A 60 -153.68 -152.69 REMARK 500 THR B 60 -160.16 -128.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 DOD A 266 DISTANCE = 9.56 ANGSTROMS REMARK 525 DOD A 278 DISTANCE = 6.84 ANGSTROMS REMARK 525 DOD A 291 DISTANCE = 7.29 ANGSTROMS REMARK 525 DOD A 292 DISTANCE = 7.34 ANGSTROMS REMARK 525 DOD A 296 DISTANCE = 6.85 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 200 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1UCR RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE SAME PROTEIN DBREF 1WQ2 A 1 78 UNP Q46582 DSVD_DESVH 1 78 DBREF 1WQ2 B 1 78 UNP Q46582 DSVD_DESVH 1 78 SEQRES 1 A 78 MET GLU GLU ALA LYS GLN LYS VAL VAL ASP PHE LEU ASN SEQRES 2 A 78 SER LYS SER GLY SER LYS SER LYS PHE TYR PHE ASN ASP SEQRES 3 A 78 PHE THR ASP LEU PHE PRO ASP MET LYS GLN ARG GLU VAL SEQRES 4 A 78 LYS LYS ILE LEU THR ALA LEU VAL ASN ASP GLU VAL LEU SEQRES 5 A 78 GLU TYR TRP SER SER GLY SER THR THR MET TYR GLY LEU SEQRES 6 A 78 LYS GLY ALA GLY LYS GLN ALA ALA ALA GLU HIS GLU ASP SEQRES 1 B 78 MET GLU GLU ALA LYS GLN LYS VAL VAL ASP PHE LEU ASN SEQRES 2 B 78 SER LYS SER GLY SER LYS SER LYS PHE TYR PHE ASN ASP SEQRES 3 B 78 PHE THR ASP LEU PHE PRO ASP MET LYS GLN ARG GLU VAL SEQRES 4 B 78 LYS LYS ILE LEU THR ALA LEU VAL ASN ASP GLU VAL LEU SEQRES 5 B 78 GLU TYR TRP SER SER GLY SER THR THR MET TYR GLY LEU SEQRES 6 B 78 LYS GLY ALA GLY LYS GLN ALA ALA ALA GLU HIS GLU ASP HET SO4 B 200 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 O4 S 2- FORMUL 4 DOD *99(D2 O) HELIX 1 1 GLU A 2 ASN A 13 1 12 HELIX 2 2 PHE A 24 ASP A 29 1 6 HELIX 3 3 LYS A 35 ASP A 49 1 15 HELIX 4 4 GLU B 2 ASN B 13 1 12 HELIX 5 5 PHE B 24 PHE B 31 1 8 HELIX 6 6 LYS B 35 ASP B 49 1 15 SHEET 1 A 3 PHE A 22 TYR A 23 0 SHEET 2 A 3 THR A 60 LEU A 65 -1 O TYR A 63 N PHE A 22 SHEET 3 A 3 LEU A 52 SER A 57 -1 N GLU A 53 O GLY A 64 SHEET 1 B 3 PHE B 22 TYR B 23 0 SHEET 2 B 3 THR B 60 LEU B 65 -1 O TYR B 63 N PHE B 22 SHEET 3 B 3 LEU B 52 SER B 57 -1 N TRP B 55 O MET B 62 SITE 1 AC1 3 GLN B 36 ARG B 37 DOD B 268 CRYST1 60.500 65.100 46.500 90.00 90.00 90.00 P 21 21 21 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 0.016529 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015361 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021505 0.00000