1UKR - Header Asymmetric Unit

HEADER HYDROLASE 23-AUG-96 1UKR

TITLE STRUCTURE OF ENDO-1,4-BETA-XYLANASE C

COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDO-1,4-B-XYLANASE I; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: XYLANASE; COMPND 5 EC: 3.2.1.8; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ASPERGILLUS NIGER; SOURCE 3 ORGANISM_TAXID: 5061; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS XYLAN DEGRADATION, HYDROLASE, GLYCOSIDASE, SIGNAL

EXPDTA X-RAY DIFFRACTION

AUTHOR U.KRENGEL,B.W.DIJKSTRA

REVDAT 2 24-FEB-09 1UKR 1 VERSN REVDAT 1 24-DEC-97 1UKR 0

JRNL AUTH U.KRENGEL,B.W.DIJKSTRA JRNL TITL THREE-DIMENSIONAL STRUCTURE OF JRNL TITL 2 ENDO-1,4-BETA-XYLANASE I FROM ASPERGILLUS NIGER: JRNL TITL 3 MOLECULAR BASIS FOR ITS LOW PH OPTIMUM. JRNL REF J.MOL.BIOL. V. 263 70 1996 JRNL REFN ISSN 0022-2836 JRNL PMID 8890913 JRNL DOI 10.1006/JMBI.1996.0556

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH U.KRENGEL,H.J.ROZEBOOM,K.H.KALK,B.W.DIJKSTRA REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC REMARK 1 TITL 2 ANALYSIS OF ENDO-1,4-BETA-XYALANASE I FROM REMARK 1 TITL 3 ASPERGILLUS NIGER REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 52 571 1996 REMARK 1 REFN ISSN 0907-4449

REMARK 2 REMARK 2 RESOLUTION. 2.40 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 28728 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 SET) : 0.179 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 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 : 5556 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 288 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.20 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) : 0.24 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 2.29 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.88 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: REFINEMENT INCLUDED NCS-RESTRAINTS REMARK 3 AT PLACES WITHOUT CRYSTAL CONTACTS. ONLY IN THE FINAL REMARK 3 REFINEMENT CYCLE ALL DATA WERE INCLUDED. IN THE EARLIER STAGES REMARK 3 OF REFINEMENT, 10% OF THE DATA WERE TAKEN TO CALCULATE A FREE REMARK 3 R-FACTOR (R=17.7 AND RFREE=21.9 %, RESPECTIVELY).

REMARK 4 REMARK 4 1UKR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-OCT-94 REMARK 200 TEMPERATURE (KELVIN) : 295 REMARK 200 PH : 4.7 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) : 0.99 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33131 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 38.060 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08200 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) : 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: BRUTE REMARK 200 STARTING MODEL: TRICHODERMA HARZIANUM XYLANASE, PDB ENTRY 1XND. REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SITTING DROP SETUP USING REMARK 280 SILICONIZED GLASS WELLS USING 15 MICROLITER DROPS AT ROOM REMARK 280 TEMPERATURE AND MACROSEEDING. PROTEIN SOLUTION: 4.5 MG/ML IN REMARK 280 10 MM NA ACETATE PH 4.7. RESERVOIR SOLUTION: 1.5 ML 1.8 M REMARK 280 NA2S2O3 (PH 8.0)., VAPOR DIFFUSION - SITTING DROP - REMARK 280 MACROSEEDING

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 42.15000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 56.90000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.65000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 56.90000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 42.15000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.65000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4 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 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C 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: 4 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: D 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 SER A 1 REMARK 465 ALA A 2 REMARK 465 SER A 184 REMARK 465 SER B 1 REMARK 465 ALA B 2 REMARK 465 SER B 184 REMARK 465 SER C 1 REMARK 465 ALA C 2 REMARK 465 SER C 184 REMARK 465 SER D 1 REMARK 465 ALA D 2 REMARK 465 SER D 184

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 VAL A 34 CG1 - CB - CG2 ANGL. DEV. = -11.4 DEGREES REMARK 500 ARG A 134 CD - NE - CZ ANGL. DEV. = 8.7 DEGREES REMARK 500 ARG A 134 NE - CZ - NH1 ANGL. DEV. = 5.4 DEGREES REMARK 500 ARG A 134 NE - CZ - NH2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ARG A 138 NE - CZ - NH1 ANGL. DEV. = 4.9 DEGREES REMARK 500 VAL B 34 CG1 - CB - CG2 ANGL. DEV. = -12.1 DEGREES REMARK 500 ARG B 134 NE - CZ - NH1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ARG B 134 NE - CZ - NH2 ANGL. DEV. = -7.7 DEGREES REMARK 500 ARG B 138 NE - CZ - NH1 ANGL. DEV. = 4.8 DEGREES REMARK 500 VAL C 34 CG1 - CB - CG2 ANGL. DEV. = -11.3 DEGREES REMARK 500 ARG C 134 CD - NE - CZ ANGL. DEV. = 8.6 DEGREES REMARK 500 ARG C 134 NE - CZ - NH1 ANGL. DEV. = 6.0 DEGREES REMARK 500 ARG C 134 NE - CZ - NH2 ANGL. DEV. = -7.5 DEGREES REMARK 500 ARG C 138 NE - CZ - NH1 ANGL. DEV. = 4.3 DEGREES REMARK 500 VAL D 34 CG1 - CB - CG2 ANGL. DEV. = -11.5 DEGREES REMARK 500 ARG D 134 CD - NE - CZ ANGL. DEV. = 8.7 DEGREES REMARK 500 ARG D 134 NE - CZ - NH1 ANGL. DEV. = 5.7 DEGREES REMARK 500 ARG D 134 NE - CZ - NH2 ANGL. DEV. = -7.5 DEGREES REMARK 500 ARG D 138 NE - CZ - NH1 ANGL. DEV. = 4.3 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 ALA A 60 37.16 -148.36 REMARK 500 ASN A 163 -143.48 -97.29 REMARK 500 ALA B 60 30.95 -145.01 REMARK 500 ASN B 163 -143.31 -97.43 REMARK 500 ALA C 60 45.71 -146.56 REMARK 500 ASN C 163 -143.81 -97.23 REMARK 500 ALA D 60 30.83 -146.42 REMARK 500 ASN D 117 63.48 36.21 REMARK 500 ASN D 163 -143.61 -97.92 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 HOH A1261 DISTANCE = 5.37 ANGSTROMS REMARK 525 HOH A1264 DISTANCE = 10.33 ANGSTROMS REMARK 525 HOH A1268 DISTANCE = 7.16 ANGSTROMS REMARK 525 HOH A1271 DISTANCE = 8.38 ANGSTROMS REMARK 525 HOH A1276 DISTANCE = 9.23 ANGSTROMS REMARK 525 HOH A1284 DISTANCE = 12.25 ANGSTROMS REMARK 525 HOH A1285 DISTANCE = 5.51 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: EA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: GLU A 79 AND GLU A 170 REFER TO THE CATALYTIC REMARK 800 ACIDIC RESIDUES. REMARK 800 SITE_IDENTIFIER: EB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: GLU B 79 AND GLU B 170 REFER TO THE CATALYTIC REMARK 800 ACIDIC RESIDUES. REMARK 800 SITE_IDENTIFIER: EC REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: GLU C 79 AND GLU C 170 REFER TO THE CATALYTIC REMARK 800 ACIDIC RESIDUES. REMARK 800 SITE_IDENTIFIER: ED REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: GLU D 79 AND GLU D 170 REFER TO THE CATALYTIC REMARK 800 ACIDIC RESIDUES.

DBREF 1UKR A 1 184 UNP P55329 XYN1_ASPNG 28 211 DBREF 1UKR B 1 184 UNP P55329 XYN1_ASPNG 28 211 DBREF 1UKR C 1 184 UNP P55329 XYN1_ASPNG 28 211 DBREF 1UKR D 1 184 UNP P55329 XYN1_ASPNG 28 211

SEQRES 1 A 184 SER ALA GLY ILE ASN TYR VAL GLN ASN TYR ASN GLY ASN SEQRES 2 A 184 LEU GLY ASP PHE THR TYR ASP GLU SER ALA GLY THR PHE SEQRES 3 A 184 SER MET TYR TRP GLU ASP GLY VAL SER SER ASP PHE VAL SEQRES 4 A 184 VAL GLY LEU GLY TRP THR THR GLY SER SER ASN ALA ILE SEQRES 5 A 184 THR TYR SER ALA GLU TYR SER ALA SER GLY SER ALA SER SEQRES 6 A 184 TYR LEU ALA VAL TYR GLY TRP VAL ASN TYR PRO GLN ALA SEQRES 7 A 184 GLU TYR TYR ILE VAL GLU ASP TYR GLY ASP TYR ASN PRO SEQRES 8 A 184 CYS SER SER ALA THR SER LEU GLY THR VAL TYR SER ASP SEQRES 9 A 184 GLY SER THR TYR GLN VAL CYS THR ASP THR ARG THR ASN SEQRES 10 A 184 GLU PRO SER ILE THR GLY THR SER THR PHE THR GLN TYR SEQRES 11 A 184 PHE SER VAL ARG GLU SER THR ARG THR SER GLY THR VAL SEQRES 12 A 184 THR VAL ALA ASN HIS PHE ASN PHE TRP ALA HIS HIS GLY SEQRES 13 A 184 PHE GLY ASN SER ASP PHE ASN TYR GLN VAL VAL ALA VAL SEQRES 14 A 184 GLU ALA TRP SER GLY ALA GLY SER ALA SER VAL THR ILE SEQRES 15 A 184 SER SER SEQRES 1 B 184 SER ALA GLY ILE ASN TYR VAL GLN ASN TYR ASN GLY ASN SEQRES 2 B 184 LEU GLY ASP PHE THR TYR ASP GLU SER ALA GLY THR PHE SEQRES 3 B 184 SER MET TYR TRP GLU ASP GLY VAL SER SER ASP PHE VAL SEQRES 4 B 184 VAL GLY LEU GLY TRP THR THR GLY SER SER ASN ALA ILE SEQRES 5 B 184 THR TYR SER ALA GLU TYR SER ALA SER GLY SER ALA SER SEQRES 6 B 184 TYR LEU ALA VAL TYR GLY TRP VAL ASN TYR PRO GLN ALA SEQRES 7 B 184 GLU TYR TYR ILE VAL GLU ASP TYR GLY ASP TYR ASN PRO SEQRES 8 B 184 CYS SER SER ALA THR SER LEU GLY THR VAL TYR SER ASP SEQRES 9 B 184 GLY SER THR TYR GLN VAL CYS THR ASP THR ARG THR ASN SEQRES 10 B 184 GLU PRO SER ILE THR GLY THR SER THR PHE THR GLN TYR SEQRES 11 B 184 PHE SER VAL ARG GLU SER THR ARG THR SER GLY THR VAL SEQRES 12 B 184 THR VAL ALA ASN HIS PHE ASN PHE TRP ALA HIS HIS GLY SEQRES 13 B 184 PHE GLY ASN SER ASP PHE ASN TYR GLN VAL VAL ALA VAL SEQRES 14 B 184 GLU ALA TRP SER GLY ALA GLY SER ALA SER VAL THR ILE SEQRES 15 B 184 SER SER SEQRES 1 C 184 SER ALA GLY ILE ASN TYR VAL GLN ASN TYR ASN GLY ASN SEQRES 2 C 184 LEU GLY ASP PHE THR TYR ASP GLU SER ALA GLY THR PHE SEQRES 3 C 184 SER MET TYR TRP GLU ASP GLY VAL SER SER ASP PHE VAL SEQRES 4 C 184 VAL GLY LEU GLY TRP THR THR GLY SER SER ASN ALA ILE SEQRES 5 C 184 THR TYR SER ALA GLU TYR SER ALA SER GLY SER ALA SER SEQRES 6 C 184 TYR LEU ALA VAL TYR GLY TRP VAL ASN TYR PRO GLN ALA SEQRES 7 C 184 GLU TYR TYR ILE VAL GLU ASP TYR GLY ASP TYR ASN PRO SEQRES 8 C 184 CYS SER SER ALA THR SER LEU GLY THR VAL TYR SER ASP SEQRES 9 C 184 GLY SER THR TYR GLN VAL CYS THR ASP THR ARG THR ASN SEQRES 10 C 184 GLU PRO SER ILE THR GLY THR SER THR PHE THR GLN TYR SEQRES 11 C 184 PHE SER VAL ARG GLU SER THR ARG THR SER GLY THR VAL SEQRES 12 C 184 THR VAL ALA ASN HIS PHE ASN PHE TRP ALA HIS HIS GLY SEQRES 13 C 184 PHE GLY ASN SER ASP PHE ASN TYR GLN VAL VAL ALA VAL SEQRES 14 C 184 GLU ALA TRP SER GLY ALA GLY SER ALA SER VAL THR ILE SEQRES 15 C 184 SER SER SEQRES 1 D 184 SER ALA GLY ILE ASN TYR VAL GLN ASN TYR ASN GLY ASN SEQRES 2 D 184 LEU GLY ASP PHE THR TYR ASP GLU SER ALA GLY THR PHE SEQRES 3 D 184 SER MET TYR TRP GLU ASP GLY VAL SER SER ASP PHE VAL SEQRES 4 D 184 VAL GLY LEU GLY TRP THR THR GLY SER SER ASN ALA ILE SEQRES 5 D 184 THR TYR SER ALA GLU TYR SER ALA SER GLY SER ALA SER SEQRES 6 D 184 TYR LEU ALA VAL TYR GLY TRP VAL ASN TYR PRO GLN ALA SEQRES 7 D 184 GLU TYR TYR ILE VAL GLU ASP TYR GLY ASP TYR ASN PRO SEQRES 8 D 184 CYS SER SER ALA THR SER LEU GLY THR VAL TYR SER ASP SEQRES 9 D 184 GLY SER THR TYR GLN VAL CYS THR ASP THR ARG THR ASN SEQRES 10 D 184 GLU PRO SER ILE THR GLY THR SER THR PHE THR GLN TYR SEQRES 11 D 184 PHE SER VAL ARG GLU SER THR ARG THR SER GLY THR VAL SEQRES 12 D 184 THR VAL ALA ASN HIS PHE ASN PHE TRP ALA HIS HIS GLY SEQRES 13 D 184 PHE GLY ASN SER ASP PHE ASN TYR GLN VAL VAL ALA VAL SEQRES 14 D 184 GLU ALA TRP SER GLY ALA GLY SER ALA SER VAL THR ILE SEQRES 15 D 184 SER SER

FORMUL 5 HOH *288(H2 O)

HELIX 1 1 GLY A 12 LEU A 14 5 3 HELIX 2 2 PRO A 91 SER A 94 1 4 HELIX 3 3 VAL A 145 HIS A 155 1 11 HELIX 4 4 GLY B 12 LEU B 14 5 3 HELIX 5 5 PRO B 91 SER B 93 5 3 HELIX 6 6 VAL B 145 HIS B 155 1 11 HELIX 7 7 GLY C 12 LEU C 14 5 3 HELIX 8 8 PRO C 91 SER C 94 1 4 HELIX 9 9 VAL C 145 HIS C 155 1 11 HELIX 10 10 GLY D 12 LEU D 14 5 3 HELIX 11 11 PRO D 91 SER D 94 1 4 HELIX 12 12 VAL D 145 HIS D 155 1 11

SHEET 1 A 8 TYR A 6 TYR A 10 0 SHEET 2 A 8 PHE A 38 TRP A 44 -1 N GLY A 43 O TYR A 6 SHEET 3 A 8 GLN A 165 SER A 173 -1 N ALA A 171 O PHE A 38 SHEET 4 A 8 ALA A 64 VAL A 73 -1 N TYR A 70 O VAL A 166 SHEET 5 A 8 ALA A 78 TYR A 86 -1 N ASP A 85 O LEU A 67 SHEET 6 A 8 PHE A 127 ARG A 134 1 N THR A 128 O GLU A 79 SHEET 7 A 8 SER A 106 ARG A 115 -1 N ARG A 115 O PHE A 127 SHEET 8 A 8 THR A 96 SER A 103 -1 N SER A 103 O SER A 106 SHEET 1 B 5 ASP A 16 ASP A 20 0 SHEET 2 B 5 THR A 25 TYR A 29 -1 N TYR A 29 O ASP A 16 SHEET 3 B 5 SER A 177 ILE A 182 -1 N VAL A 180 O PHE A 26 SHEET 4 B 5 ILE A 52 SER A 59 -1 N SER A 59 O SER A 177 SHEET 5 B 5 SER A 140 VAL A 143 -1 N VAL A 143 O ILE A 52 SHEET 1 C 2 GLU A 118 SER A 120 0 SHEET 2 C 2 GLY A 123 SER A 125 -1 N SER A 125 O GLU A 118 SHEET 1 D 8 TYR B 6 TYR B 10 0 SHEET 2 D 8 PHE B 38 TRP B 44 -1 N GLY B 43 O TYR B 6 SHEET 3 D 8 GLN B 165 ALA B 171 -1 N ALA B 171 O PHE B 38 SHEET 4 D 8 SER B 65 VAL B 73 -1 N TYR B 70 O VAL B 166 SHEET 5 D 8 ALA B 78 TYR B 86 -1 N ASP B 85 O LEU B 67 SHEET 6 D 8 PHE B 127 ARG B 134 1 N THR B 128 O GLU B 79 SHEET 7 D 8 SER B 106 ARG B 115 -1 N ARG B 115 O PHE B 127 SHEET 8 D 8 THR B 96 SER B 103 -1 N SER B 103 O SER B 106 SHEET 1 E 5 ASP B 16 ASP B 20 0 SHEET 2 E 5 THR B 25 TYR B 29 -1 N TYR B 29 O ASP B 16 SHEET 3 E 5 SER B 177 ILE B 182 -1 N VAL B 180 O PHE B 26 SHEET 4 E 5 ILE B 52 SER B 59 -1 N SER B 59 O SER B 177 SHEET 5 E 5 SER B 140 VAL B 143 -1 N VAL B 143 O ILE B 52 SHEET 1 F 2 GLU B 118 SER B 120 0 SHEET 2 F 2 GLY B 123 SER B 125 -1 N SER B 125 O GLU B 118 SHEET 1 G 8 TYR C 6 TYR C 10 0 SHEET 2 G 8 PHE C 38 TRP C 44 -1 N GLY C 43 O TYR C 6 SHEET 3 G 8 GLN C 165 SER C 173 -1 N ALA C 171 O PHE C 38 SHEET 4 G 8 ALA C 64 VAL C 73 -1 N TYR C 70 O VAL C 166 SHEET 5 G 8 ALA C 78 TYR C 86 -1 N ASP C 85 O LEU C 67 SHEET 6 G 8 PHE C 127 ARG C 134 1 N THR C 128 O GLU C 79 SHEET 7 G 8 SER C 106 ARG C 115 -1 N ARG C 115 O PHE C 127 SHEET 8 G 8 THR C 96 SER C 103 -1 N SER C 103 O SER C 106 SHEET 1 H 5 ASP C 16 ASP C 20 0 SHEET 2 H 5 THR C 25 TYR C 29 -1 N TYR C 29 O ASP C 16 SHEET 3 H 5 SER C 177 ILE C 182 -1 N VAL C 180 O PHE C 26 SHEET 4 H 5 ILE C 52 SER C 59 -1 N SER C 59 O SER C 177 SHEET 5 H 5 SER C 140 VAL C 143 -1 N VAL C 143 O ILE C 52 SHEET 1 I 2 GLU C 118 SER C 120 0 SHEET 2 I 2 GLY C 123 SER C 125 -1 N SER C 125 O GLU C 118 SHEET 1 J 8 TYR D 6 TYR D 10 0 SHEET 2 J 8 PHE D 38 TRP D 44 -1 N GLY D 43 O TYR D 6 SHEET 3 J 8 GLN D 165 SER D 173 -1 N ALA D 171 O PHE D 38 SHEET 4 J 8 ALA D 64 VAL D 73 -1 N TYR D 70 O VAL D 166 SHEET 5 J 8 ALA D 78 TYR D 86 -1 N ASP D 85 O LEU D 67 SHEET 6 J 8 PHE D 127 ARG D 134 1 N THR D 128 O GLU D 79 SHEET 7 J 8 SER D 106 ARG D 115 -1 N ARG D 115 O PHE D 127 SHEET 8 J 8 THR D 96 SER D 103 -1 N SER D 103 O SER D 106 SHEET 1 K 5 ASP D 16 ASP D 20 0 SHEET 2 K 5 THR D 25 TYR D 29 -1 N TYR D 29 O ASP D 16 SHEET 3 K 5 SER D 177 ILE D 182 -1 N VAL D 180 O PHE D 26 SHEET 4 K 5 ILE D 52 SER D 59 -1 N SER D 59 O SER D 177 SHEET 5 K 5 SER D 140 VAL D 143 -1 N VAL D 143 O ILE D 52 SHEET 1 L 2 GLU D 118 SER D 120 0 SHEET 2 L 2 GLY D 123 SER D 125 -1 N SER D 125 O GLU D 118

SSBOND 1 CYS A 92 CYS A 111 1555 1555 2.02 SSBOND 2 CYS B 92 CYS B 111 1555 1555 1.99 SSBOND 3 CYS C 92 CYS C 111 1555 1555 2.02 SSBOND 4 CYS D 92 CYS D 111 1555 1555 2.01

CISPEP 1 TYR A 75 PRO A 76 0 -16.01 CISPEP 2 TYR B 75 PRO B 76 0 -16.05 CISPEP 3 TYR C 75 PRO C 76 0 -15.96 CISPEP 4 TYR D 75 PRO D 76 0 -15.62

SITE 1 EA 2 GLU A 79 GLU A 170 SITE 1 EB 2 GLU B 79 GLU B 170 SITE 1 EC 2 GLU C 79 GLU C 170 SITE 1 ED 2 GLU D 79 GLU D 170

CRYST1 84.300 85.300 113.800 90.00 90.00 90.00 P 21 21 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 0.011862 0.000000 0.000000 0.00000

SCALE2 0.000000 0.011723 0.000000 0.00000

SCALE3 0.000000 0.000000 0.008787 0.00000