HEADER HYDROLASE 02-SEP-94 1XYS TITLE CATALYTIC CORE OF XYLANASE A E246C MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: XYLANASE A; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.2.1.8; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CELLVIBRIO JAPONICUS; SOURCE 3 ORGANISM_TAXID: 155077; SOURCE 4 STRAIN: CELLULOSA; SOURCE 5 GENE: TRUNCATED XYNA (CODONS 264-611); SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET3A; SOURCE 9 EXPRESSION_SYSTEM_GENE: TRUNCATED XYNA (CODONS 264-611) KEYWDS FAMILY F XYLANASE, FAMILY 10 OF GLYCOSYL-HYDROLASE, HYDROLASE EXPDTA X-RAY DIFFRACTION MDLTYP CA ATOMS ONLY, CHAIN A, B AUTHOR G.W.HARRIS,J.A.JENKINS,I.CONNERTON,R.W.PICKERSGILL REVDAT 4 14-FEB-24 1XYS 1 SEQADV REVDAT 3 24-FEB-09 1XYS 1 VERSN REVDAT 2 13-NOV-02 1XYS 1 COMPND SOURCE REVDAT 1 10-JUL-95 1XYS 0 JRNL AUTH G.W.HARRIS,J.A.JENKINS,I.CONNERTON,N.CUMMINGS,L.LO LEGGIO, JRNL AUTH 2 M.SCOTT,G.P.HAZLEWOOD,J.I.LAURIE,H.J.GILBERT,R.W.PICKERSGILL JRNL TITL STRUCTURE OF THE CATALYTIC CORE OF THE FAMILY F XYLANASE JRNL TITL 2 FROM PSEUDOMONAS FLUORESCENS AND IDENTIFICATION OF THE JRNL TITL 3 XYLOPENTAOSE-BINDING SITES. JRNL REF STRUCTURE V. 2 1107 1994 JRNL REFN ISSN 0969-2126 JRNL PMID 7881909 JRNL DOI 10.1016/S0969-2126(94)00112-X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.JENKINS,L.LO LEGGIO,G.HARRIS,R.PICKERSGILL REMARK 1 TITL BETA-GLUCOSIDASE, BETA-GALACTOSIDASE, FAMILY A CELLULASES, REMARK 1 TITL 2 FAMILY F XYLANASES AND TWO BARLEY GLYCANASES FORM A REMARK 1 TITL 3 SUPERFAMILY OF ENZYMES WITH 8-FOLD BETA-ALPHA ARCHITECTURE REMARK 1 TITL 4 AND WITH TWO CONSERVED GLUTAMATES NEAR THE CARBOXY-TERMINAL REMARK 1 TITL 5 ENDS OF BETA-STRANDS FOUR AND SEVEN REMARK 1 REF FEBS LETT. V. 362 281 1995 REMARK 1 REFN ISSN 0014-5793 REMARK 1 REFERENCE 2 REMARK 1 AUTH R.W.PICKERSGILL,J.A.JENKINS,M.SCOTT,I.CONNERTON, REMARK 1 AUTH 2 G.P.HAZLEWOOD,H.J.GILBERT REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY ANALYSIS OF THE REMARK 1 TITL 2 CATALYTIC DOMAIN OF XYLANASE A FROM PSEUDOMONAS FLUORESCENS REMARK 1 TITL 3 SUBSPECIES CELLULOSA REMARK 1 REF J.MOL.BIOL. V. 229 246 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : RESTRAIN REMARK 3 AUTHORS : MOSS,DRIESSEN,HANEEF,HOWLIN,HARRIS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 24996 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.200 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 690 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.40 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.017 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.027 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.014 ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.011 ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.019 ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL 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) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XYS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000177335. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-DEC-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL 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 : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25370 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 35.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.07800 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 47.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 76.15000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 48.75000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 48.75000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 114.22500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 48.75000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 48.75000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 38.07500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 48.75000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 48.75000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 114.22500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 48.75000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 48.75000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 38.07500 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 76.15000 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 300 REMARK: MTRIX REMARK 300 THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW REMARK 300 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE REMARK 300 VARIOUS DOMAINS IN THIS ENTRY. APPLYING THE APPROPRIATE REMARK 300 MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED REMARK 300 SECOND. REMARK 300 REMARK 300 APPLIED TO TRANSFORMED TO REMARK 300 MTRIX RESIDUES RESIDUES RMSD REMARK 300 M1 1 .. 345 1 .. 345 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 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 400 REMARK 400 COMPOUND REMARK 400 COMPND REMARK 400 MOLECULE: XYLANASE A. CATALYTIC DOMAIN. 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 346 REMARK 465 ARG A 347 REMARK 465 GLY B 346 REMARK 465 ARG B 347 REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 CALCIUM 348 IS BOUND TO ASP 256, ASN 261, ASN 253, AND REMARK 600 ASN 258. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: C REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: D REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE DBREF 1XYS A 1 347 UNP P14768 XYNA_PSEFL 265 611 DBREF 1XYS B 1 347 UNP P14768 XYNA_PSEFL 265 611 SEQADV 1XYS CYS A 246 UNP P14768 GLU 510 CONFLICT SEQADV 1XYS CYS B 246 UNP P14768 GLU 510 CONFLICT SEQRES 1 A 347 GLY LEU ALA SER LEU ALA ASP PHE PRO ILE GLY VAL ALA SEQRES 2 A 347 VAL ALA ALA SER GLY GLY ASN ALA ASP ILE PHE THR SER SEQRES 3 A 347 SER ALA ARG GLN ASN ILE VAL ARG ALA GLU PHE ASN GLN SEQRES 4 A 347 ILE THR ALA GLU ASN ILE MET LYS MET SER TYR MET TYR SEQRES 5 A 347 SER GLY SER ASN PHE SER PHE THR ASN SER ASP ARG LEU SEQRES 6 A 347 VAL SER TRP ALA ALA GLN ASN GLY GLN THR VAL HIS GLY SEQRES 7 A 347 HIS ALA LEU VAL TRP HIS PRO SER TYR GLN LEU PRO ASN SEQRES 8 A 347 TRP ALA SER ASP SER ASN ALA ASN PHE ARG GLN ASP PHE SEQRES 9 A 347 ALA ARG HIS ILE ASP THR VAL ALA ALA HIS PHE ALA GLY SEQRES 10 A 347 GLN VAL LYS SER TRP ASP VAL VAL ASN GLU ALA LEU PHE SEQRES 11 A 347 ASP SER ALA ASP ASP PRO ASP GLY ARG GLY SER ALA ASN SEQRES 12 A 347 GLY TYR ARG GLN SER VAL PHE TYR ARG GLN PHE GLY GLY SEQRES 13 A 347 PRO GLU TYR ILE ASP GLU ALA PHE ARG ARG ALA ARG ALA SEQRES 14 A 347 ALA ASP PRO THR ALA GLU LEU TYR TYR ASN ASP PHE ASN SEQRES 15 A 347 THR GLU GLU ASN GLY ALA LYS THR THR ALA LEU VAL ASN SEQRES 16 A 347 LEU VAL GLN ARG LEU LEU ASN ASN GLY VAL PRO ILE ASP SEQRES 17 A 347 GLY VAL GLY PHE GLN MET HIS VAL MET ASN ASP TYR PRO SEQRES 18 A 347 SER ILE ALA ASN ILE ARG GLN ALA MET GLN LYS ILE VAL SEQRES 19 A 347 ALA LEU SER PRO THR LEU LYS ILE LYS ILE THR CYS LEU SEQRES 20 A 347 ASP VAL ARG LEU ASN ASN PRO TYR ASP GLY ASN SER SER SEQRES 21 A 347 ASN ASP TYR THR ASN ARG ASN ASP CYS ALA VAL SER CYS SEQRES 22 A 347 ALA GLY LEU ASP ARG GLN LYS ALA ARG TYR LYS GLU ILE SEQRES 23 A 347 VAL GLN ALA TYR LEU GLU VAL VAL PRO PRO GLY ARG ARG SEQRES 24 A 347 GLY GLY ILE THR VAL TRP GLY ILE ALA ASP PRO ASP SER SEQRES 25 A 347 TRP LEU TYR THR HIS GLN ASN LEU PRO ASP TRP PRO LEU SEQRES 26 A 347 LEU PHE ASN ASP ASN LEU GLN PRO LYS PRO ALA TYR GLN SEQRES 27 A 347 GLY VAL VAL GLU ALA LEU SER GLY ARG SEQRES 1 B 347 GLY LEU ALA SER LEU ALA ASP PHE PRO ILE GLY VAL ALA SEQRES 2 B 347 VAL ALA ALA SER GLY GLY ASN ALA ASP ILE PHE THR SER SEQRES 3 B 347 SER ALA ARG GLN ASN ILE VAL ARG ALA GLU PHE ASN GLN SEQRES 4 B 347 ILE THR ALA GLU ASN ILE MET LYS MET SER TYR MET TYR SEQRES 5 B 347 SER GLY SER ASN PHE SER PHE THR ASN SER ASP ARG LEU SEQRES 6 B 347 VAL SER TRP ALA ALA GLN ASN GLY GLN THR VAL HIS GLY SEQRES 7 B 347 HIS ALA LEU VAL TRP HIS PRO SER TYR GLN LEU PRO ASN SEQRES 8 B 347 TRP ALA SER ASP SER ASN ALA ASN PHE ARG GLN ASP PHE SEQRES 9 B 347 ALA ARG HIS ILE ASP THR VAL ALA ALA HIS PHE ALA GLY SEQRES 10 B 347 GLN VAL LYS SER TRP ASP VAL VAL ASN GLU ALA LEU PHE SEQRES 11 B 347 ASP SER ALA ASP ASP PRO ASP GLY ARG GLY SER ALA ASN SEQRES 12 B 347 GLY TYR ARG GLN SER VAL PHE TYR ARG GLN PHE GLY GLY SEQRES 13 B 347 PRO GLU TYR ILE ASP GLU ALA PHE ARG ARG ALA ARG ALA SEQRES 14 B 347 ALA ASP PRO THR ALA GLU LEU TYR TYR ASN ASP PHE ASN SEQRES 15 B 347 THR GLU GLU ASN GLY ALA LYS THR THR ALA LEU VAL ASN SEQRES 16 B 347 LEU VAL GLN ARG LEU LEU ASN ASN GLY VAL PRO ILE ASP SEQRES 17 B 347 GLY VAL GLY PHE GLN MET HIS VAL MET ASN ASP TYR PRO SEQRES 18 B 347 SER ILE ALA ASN ILE ARG GLN ALA MET GLN LYS ILE VAL SEQRES 19 B 347 ALA LEU SER PRO THR LEU LYS ILE LYS ILE THR CYS LEU SEQRES 20 B 347 ASP VAL ARG LEU ASN ASN PRO TYR ASP GLY ASN SER SER SEQRES 21 B 347 ASN ASP TYR THR ASN ARG ASN ASP CYS ALA VAL SER CYS SEQRES 22 B 347 ALA GLY LEU ASP ARG GLN LYS ALA ARG TYR LYS GLU ILE SEQRES 23 B 347 VAL GLN ALA TYR LEU GLU VAL VAL PRO PRO GLY ARG ARG SEQRES 24 B 347 GLY GLY ILE THR VAL TRP GLY ILE ALA ASP PRO ASP SER SEQRES 25 B 347 TRP LEU TYR THR HIS GLN ASN LEU PRO ASP TRP PRO LEU SEQRES 26 B 347 LEU PHE ASN ASP ASN LEU GLN PRO LYS PRO ALA TYR GLN SEQRES 27 B 347 GLY VAL VAL GLU ALA LEU SER GLY ARG HET CA A 348 1 HET CA B 348 1 HETNAM CA CALCIUM ION FORMUL 3 CA 2(CA 2+) SITE 1 C 2 GLU A 127 CYS A 246 SITE 1 D 2 GLU B 127 CYS B 246 CRYST1 97.500 97.500 152.300 90.00 90.00 90.00 P 43 21 2 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 0.010256 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010256 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006566 0.00000 MTRIX1 1 -0.997100 0.058900 0.047500 148.60699 1 MTRIX2 1 0.057600 0.184200 0.981200 -44.49200 1 MTRIX3 1 0.049000 0.981100 -0.187000 44.84100 1