PDB Short entry for 1E0W HEADER HYDROLASE 10-APR-00 1E0W TITLE XYLANASE 10A FROM SREPTOMYCES LIVIDANS. NATIVE STRUCTURE AT TITLE 2 1.2 ANGSTROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDO-1,4-BETA-XYLANASE A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC MODULE, RESIDUES 42-343; COMPND 5 SYNONYM: XYLANASE A, 1,4-BETA-D-XYLAN XYLANOHYDROLASE A, XYLANASE A; COMPND 6 EC: 3.2.1.8; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 3 ORGANISM_TAXID: 1916; SOURCE 4 EXPRESSION_SYSTEM: STREPTOMYCES LIVIDANS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 1916; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: IAF 19 KEYWDS XYLAN DEGRADATION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR V.DUCROS,S.J.CHARNOCK,U.DEREWENDA,Z.S.DEREWENDA,Z.DAUTER,C.DUPONT, AUTHOR 2 F.SHARECK,R.MOROSOLI,D.KLUEPFEL,G.J.DAVIES REVDAT 4 05-FEB-14 1E0W 1 HEADER COMPND KEYWDS AUTHOR REVDAT 4 2 JRNL REMARK VERSN FORMUL REVDAT 4 3 MASTER REVDAT 3 24-FEB-09 1E0W 1 VERSN REVDAT 2 25-MAY-01 1E0W 1 JRNL REVDAT 1 05-APR-01 1E0W 0 JRNL AUTH V.DUCROS,S.J.CHARNOCK,U.DEREWENDA,Z.S.DEREWENDA,Z.DAUTER, JRNL AUTH 2 C.DUPONT,F.SHARECK,R.MOROSOLI,D.KLUEPFEL,G.J.DAVIES JRNL TITL SUBSTRATE SPECIFICITY IN GLYCOSIDE HYDROLASE FAMILY 10. JRNL TITL 2 STRUCTURAL AND KINETIC ANALYSIS OF THE STREPTOMYCES JRNL TITL 3 LIVIDANS XYLANASE 10A JRNL REF J.BIOL.CHEM. V. 275 23020 2000 JRNL REFN ISSN 0021-9258 JRNL PMID 10930426 JRNL DOI 10.1074/JBC.M00012900 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.R.ANDREWS,S.J.CHARNOCK,J.H.LAKEY,G.J.DAVIES,M.CLAEYSSENS, REMARK 1 AUTH 2 W.NERINCKX,M.UNDERWOOD,M.L.SINNOTT,R.A.WARREN,H.J.GILBERT REMARK 1 TITL SUBSTRATE SPECIFICITY IN GLYCOSIDE HYDROLASE FAMILY 10. REMARK 1 TITL 2 TYROSINE 87 AND LEUCINE 314 PLAY A PIVOTAL ROLE IN REMARK 1 TITL 3 DISCRIMINATING BETWEEN GLUCOSE AND XYLOSE BINDING IN THE REMARK 1 TITL 4 PROXIMAL ACTIVE SITE OF PSEUDOMONAS CELLULOSA XYLANASE 10A. REMARK 1 REF J.BIOL.CHEM. V. 275 23027 2000 REMARK 1 REFN ISSN 0021-9258 REMARK 1 PMID 10767281 REMARK 1 DOI 10.1074/JBC.M000128200 REMARK 1 REFERENCE 2 REMARK 1 AUTH U.DEREWENDA,L.SWENSON,R.GREEN,Y.WEI,R.MOROSOLI,F.SHARECK, REMARK 1 AUTH 2 D.KLUEPFEL,Z.S.DEREWENDA REMARK 1 TITL CRYSTAL STRUCTURE, AT 2.6 A RESOLUTION, OF THE STREPTOMYCES REMARK 1 TITL 2 LIVIDANS XYLANASE A, A MEMBER OF THE F FAMILY OF REMARK 1 TITL 3 B-1,4-D-GLYCANASES REMARK 1 REF J.BIOL.CHEM. V. 269 20811 1994 REMARK 1 REFN ISSN 0021-9258 REMARK 1 PMID 8063693 REMARK 2 REMARK 2 RESOLUTION. 1.2 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.2 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.0 REMARK 3 COMPLETENESS FOR RANGE (%) : 96 REMARK 3 NUMBER OF REFLECTIONS : 81581 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.098 REMARK 3 FREE R VALUE : 0.124 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.0 REMARK 3 FREE R VALUE TEST SET COUNT : 4292 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2385 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 438 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.010 ; 0.02 REMARK 3 ANGLE DISTANCE (A) : 0.025 ; 0.04 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.031 ; 0.05 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.028 ; 0.03 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.098 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.15 ; 0.30 REMARK 3 MULTIPLE TORSION (A) : 0.24 ; 0.30 REMARK 3 H-BOND (X...Y) (A) : 0.13 ; 0.30 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 5.2 ; 7.0 REMARK 3 STAGGERED (DEGREES) : 11.9 ; 15.0 REMARK 3 TRANSVERSE (DEGREES) : 27.3 ; 20.0 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.452 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.270 ; 5.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.499 ; 4.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.741 ; 6.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DOUBLY CONFIGURATED DISULPHIDE BOND REMARK 3 BETWEEN CYS168 AND CYS201 REMARK 4 REMARK 4 1E0W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-APR-00. REMARK 100 THE PDBE ID CODE IS EBI-4838. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-NOV-97 REMARK 200 TEMPERATURE (KELVIN) : 297.0 REMARK 200 PH : 4.60 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X31 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.87 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 84936 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 4.300 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 23.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.35000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.3 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.2 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN 60MG/ML WAS CRYSTALLISED REMARK 280 WITH 5% PEG 4000, 100MM SODIUM ACETATE PH 4.6 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 35.12500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.19500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.46500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.19500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.12500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.46500 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 GLY A 303 REMARK 465 ASP A 304 REMARK 465 SER A 305 REMARK 465 SER A 306 REMARK 465 GLU A 307 REMARK 465 PRO A 308 REMARK 465 PRO A 309 REMARK 465 ALA A 310 REMARK 465 ASP A 311 REMARK 465 GLY A 312 REMARK 465 GLY A 313 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 ARG A 14 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 102 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 145 NE - CZ - NH1 ANGL. DEV. = 3.2 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 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 GLU A 236 42.08 -143.27 REMARK 500 VAL A 268 -77.11 -99.61 REMARK 500 THR A 279 65.27 31.33 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACI REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC ACID/BASE REMARK 800 REMARK 800 SITE_IDENTIFIER: NUC REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC NUCLEOPHILE REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1XAS RELATED DB: PDB REMARK 900 XYLANASE A REMARK 900 RELATED ID: 1E0V RELATED DB: PDB REMARK 900 XYLANASE 10A FROM SREPTOMYCES LIVIDANS. CELLOBIOSYL-ENZYME REMARK 900 INTERMEDIATE AT 1.7 A REMARK 900 RELATED ID: 1E0X RELATED DB: PDB REMARK 900 XYLANASE 10A FROM SREPTOMYCES LIVIDANS. XYLOBIOSYL-ENZYME REMARK 900 INTERMEDIATE AT 1.65 A REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE FIRST 41 RESIDUES IN THE DATABASE CORRESPOND REMARK 999 TO THE SIGNAL PEPTIDE. THE NUMBERING USED IN THE PDB FILE REMARK 999 IF AFTER CLEAVAGE OF THE SIGNAL PEPTIDE. REMARK 999 THE LAST 11 AMINO ACIDS ARE TOO DISORDERED REMARK 999 TO BE BUILT IN DENSITY DBREF 1E0W A 1 302 UNP P26514 XYNA_STRLI 42 343 SEQRES 1 A 313 ALA GLU SER THR LEU GLY ALA ALA ALA ALA GLN SER GLY SEQRES 2 A 313 ARG TYR PHE GLY THR ALA ILE ALA SER GLY ARG LEU SER SEQRES 3 A 313 ASP SER THR TYR THR SER ILE ALA GLY ARG GLU PHE ASN SEQRES 4 A 313 MET VAL THR ALA GLU ASN GLU MET LYS ILE ASP ALA THR SEQRES 5 A 313 GLU PRO GLN ARG GLY GLN PHE ASN PHE SER SER ALA ASP SEQRES 6 A 313 ARG VAL TYR ASN TRP ALA VAL GLN ASN GLY LYS GLN VAL SEQRES 7 A 313 ARG GLY HIS THR LEU ALA TRP HIS SER GLN GLN PRO GLY SEQRES 8 A 313 TRP MET GLN SER LEU SER GLY SER ALA LEU ARG GLN ALA SEQRES 9 A 313 MET ILE ASP HIS ILE ASN GLY VAL MET ALA HIS TYR LYS SEQRES 10 A 313 GLY LYS ILE VAL GLN TRP ASP VAL VAL ASN GLU ALA PHE SEQRES 11 A 313 ALA ASP GLY SER SER GLY ALA ARG ARG ASP SER ASN LEU SEQRES 12 A 313 GLN ARG SER GLY ASN ASP TRP ILE GLU VAL ALA PHE ARG SEQRES 13 A 313 THR ALA ARG ALA ALA ASP PRO SER ALA LYS LEU CYS TYR SEQRES 14 A 313 ASN ASP TYR ASN VAL GLU ASN TRP THR TRP ALA LYS THR SEQRES 15 A 313 GLN ALA MET TYR ASN MET VAL ARG ASP PHE LYS GLN ARG SEQRES 16 A 313 GLY VAL PRO ILE ASP CYS VAL GLY PHE GLN SER HIS PHE SEQRES 17 A 313 ASN SER GLY SER PRO TYR ASN SER ASN PHE ARG THR THR SEQRES 18 A 313 LEU GLN ASN PHE ALA ALA LEU GLY VAL ASP VAL ALA ILE SEQRES 19 A 313 THR GLU LEU ASP ILE GLN GLY ALA PRO ALA SER THR TYR SEQRES 20 A 313 ALA ASN VAL THR ASN ASP CYS LEU ALA VAL SER ARG CYS SEQRES 21 A 313 LEU GLY ILE THR VAL TRP GLY VAL ARG ASP SER ASP SER SEQRES 22 A 313 TRP ARG SER GLU GLN THR PRO LEU LEU PHE ASN ASN ASP SEQRES 23 A 313 GLY SER LYS LYS ALA ALA TYR THR ALA VAL LEU ASP ALA SEQRES 24 A 313 LEU ASN GLY GLY ASP SER SER GLU PRO PRO ALA ASP GLY SEQRES 25 A 313 GLY FORMUL 2 HOH *438(H2 O) HELIX 1 1 THR A 4 GLN A 11 1 8 HELIX 2 2 ALA A 21 LEU A 25 5 5 HELIX 3 3 ASP A 27 PHE A 38 1 12 HELIX 4 4 LYS A 48 GLU A 53 1 6 HELIX 5 5 PHE A 61 ASN A 74 1 14 HELIX 6 6 PRO A 90 SER A 95 1 6 HELIX 7 7 SER A 97 TYR A 116 1 20 HELIX 8 8 SER A 141 SER A 146 1 6 HELIX 9 9 ASP A 149 ASP A 162 1 14 HELIX 10 10 TRP A 179 GLY A 196 1 18 HELIX 11 11 ASN A 217 ALA A 227 1 11 HELIX 12 12 PRO A 243 ALA A 256 1 14 HELIX 13 13 ASP A 270 SER A 273 5 4 HELIX 14 14 ARG A 275 THR A 279 5 5 HELIX 15 15 LYS A 290 GLY A 302 1 13 SHEET 1 A 4 GLY A 262 VAL A 265 0 SHEET 2 A 4 TYR A 15 ILE A 20 1 N TYR A 15 O ILE A 263 SHEET 3 A 4 MET A 40 ALA A 43 1 N MET A 40 O THR A 18 SHEET 4 A 4 GLN A 77 ARG A 79 1 N GLN A 77 O VAL A 41 SHEET 1 B 4 ASP A 231 ILE A 234 0 SHEET 2 B 4 CYS A 201 PHE A 204 1 N VAL A 202 O ASP A 231 SHEET 3 B 4 LYS A 166 ASP A 171 1 N TYR A 169 O CYS A 201 SHEET 4 B 4 GLN A 122 ASN A 127 1 N TRP A 123 O LYS A 166 SSBOND 1 CYS A 168 CYS A 201 1555 1555 2.08 SSBOND 2 CYS A 168 CYS A 201 1555 1555 1.98 SSBOND 3 CYS A 254 CYS A 260 1555 1555 2.05 CISPEP 1 HIS A 81 THR A 82 0 4.39 SITE 1 ACI 1 GLU A 128 SITE 1 NUC 1 GLU A 236 CRYST1 70.250 46.930 86.390 90.00 90.00 90.00 P 21 21 21 4 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 0.014235 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021308 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011575 0.00000