HEADER HYDROLASE 29-JUN-09 2WLZ TITLE CHITINASE A FROM SERRATIA MARCESCENS ATCC990 IN COMPLEX WITH CHITOBIO- TITLE 2 THIAZOLINE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHITINASE A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 2-520; COMPND 5 SYNONYM: SMCHI18A; COMPND 6 EC: 3.2.1.14; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS; SOURCE 3 ORGANISM_TAXID: 615; SOURCE 4 ATCC: 990; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET22B (NOVAGEN) KEYWDS HYDROLASE A, HYDROLASE, THIAZOLINES, CHITINASE A, GLYCOSIDASE, CHITIN KEYWDS 2 HYDROLYSIS, CHITIN DEGRADATION, POLYSACCHARIDE DEGRADATION, FAMILY KEYWDS 3 18 CHITINASES, CARBOHYDRATE METABOLISM EXPDTA X-RAY DIFFRACTION AUTHOR E.J.TAYLOR,R.J.DENNIS,J.M.MACDONALD,C.A.TARLING,S.KNAPP,S.G.WITHERS, AUTHOR 2 G.J.DAVIES REVDAT 4 13-DEC-23 2WLZ 1 HETSYN REVDAT 3 29-JUL-20 2WLZ 1 COMPND REMARK HETNAM LINK REVDAT 3 2 1 SITE REVDAT 2 12-OCT-11 2WLZ 1 JRNL REMARK FORMUL VERSN REVDAT 1 16-MAR-10 2WLZ 0 JRNL AUTH J.M.MACDONALD,C.A.TARLING,E.J.TAYLOR,R.J.DENNIS,D.S.MYERS, JRNL AUTH 2 S.KNAPP,G.J.DAVIES,S.G.WITHERS JRNL TITL CHITINASE INHIBITION BY CHITOBIOSE AND CHITOTRIOSE JRNL TITL 2 THIAZOLINES. JRNL REF ANGEW.CHEM.INT.ED.ENGL. V. 49 2599 2010 JRNL REFN ISSN 1433-7851 JRNL PMID 20209544 JRNL DOI 10.1002/ANIE.200906644 REMARK 2 REMARK 2 RESOLUTION. 1.82 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0097 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) : 1.82 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 109.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 65222 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) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3456 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) : 1.83 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.87 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3960 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.32 REMARK 3 BIN R VALUE (WORKING SET) : 0.3690 REMARK 3 BIN FREE R VALUE SET COUNT : 203 REMARK 3 BIN FREE R VALUE : 0.3880 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4123 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 72 REMARK 3 SOLVENT ATOMS : 443 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 0.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.64 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.04000 REMARK 3 B22 (A**2) : -0.24000 REMARK 3 B33 (A**2) : 0.20000 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): 0.109 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.109 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.083 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.914 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.956 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.938 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4312 ; 0.019 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5857 ; 1.737 ; 1.949 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 547 ; 6.387 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 193 ;39.679 ;25.492 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 683 ;13.577 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;20.062 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 626 ; 0.129 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3313 ; 0.009 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 2674 ; 0.908 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4276 ; 1.567 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1638 ; 2.839 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1578 ; 4.458 ; 4.500 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 : 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS. U VALUES REFINED INDIVIDUALLY. REMARK 4 REMARK 4 2WLZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 29-JUN-09. REMARK 100 THE DEPOSITION ID IS D_1290040099. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-DEC-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.93100 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69869 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.810 REMARK 200 RESOLUTION RANGE LOW (A) : 43.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : 0.17000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.81 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.91 REMARK 200 COMPLETENESS FOR SHELL (%) : 81.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 1.06000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1EDQ REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.0M SODIUM CITRATE 10MM SODIUM BORATE REMARK 280 PH8 DIOXANE 20%, PH 8.0 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z 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 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 29.63650 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 29.63650 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 65.32150 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 100.63600 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 65.32150 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 100.63600 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 29.63650 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 65.32150 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 100.63600 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 29.63650 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 65.32150 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 100.63600 REMARK 290 SMTRY3 8 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: PISA 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 VAL A 562 REMARK 465 GLN A 563 REMARK 465 LEU A 564 REMARK 465 GLU A 565 REMARK 465 HIS A 566 REMARK 465 HIS A 567 REMARK 465 HIS A 568 REMARK 465 HIS A 569 REMARK 465 HIS A 570 REMARK 465 HIS A 571 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 GLU A 147 -125.82 44.51 REMARK 500 TYR A 170 -108.72 -94.32 REMARK 500 GLU A 208 124.09 -39.70 REMARK 500 LYS A 250 -158.56 -129.13 REMARK 500 ASP A 313 70.34 -116.99 REMARK 500 THR A 405 25.25 -146.65 REMARK 500 MET A 443 31.16 -98.45 REMARK 500 GLU A 500 68.28 67.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ALA A 560 GLY A 561 148.90 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 A2028 DISTANCE = 6.46 ANGSTROMS REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: DSSP REMARK 700 THE SHEETS PRESENTED AS "AD" IN EACH CHAIN ON SHEET RECORDS REMARK 700 BELOW IS ACTUALLY AN 8-STRANDED BARREL THIS IS REPRESENTED BY REMARK 700 A 9-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS REMARK 700 ARE IDENTICAL. REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EHN RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHITINASE A MUTANT E315Q COMPLEXED WITH OCTA-N- REMARK 900 ACETYLCHITOOCTAOSE (NAG)8. REMARK 900 RELATED ID: 1NH6 RELATED DB: PDB REMARK 900 STRUCTURE OF S. MARCESCENS CHITINASE A, E315L, COMPLEX REMARK 900 WITHHEXASACCHARIDE REMARK 900 RELATED ID: 1FFQ RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHITINASE A COMPLEXED WITH ALLOSAMIDIN REMARK 900 RELATED ID: 1X6N RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF S. MARCESCENS CHITINASE A MUTANT W167AIN REMARK 900 COMPLEX WITH ALLOSAMIDIN REMARK 900 RELATED ID: 1CTN RELATED DB: PDB REMARK 900 CHITINASE A (PH 5.5, 4 DEGREES C) REMARK 900 RELATED ID: 1EIB RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHITINASE A MUTANT D313A COMPLEXED WITH OCTA-N- REMARK 900 ACETYLCHITOOCTAOSE (NAG)8. REMARK 900 RELATED ID: 1RD6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF S. MARCESCENS CHITINASE A MUTANT W167A REMARK 900 RELATED ID: 1X6L RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF S. MARCESCENS CHITINASE A MUTANT W167A REMARK 900 RELATED ID: 1K9T RELATED DB: PDB REMARK 900 CHITINASE A COMPLEXED WITH TETRA-N- ACETYLCHITOTRIOSE REMARK 900 RELATED ID: 1FFR RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CHITINASE A MUTANT Y390F COMPLEXEDWITH HEXA-N- REMARK 900 ACETYLCHITOHEXAOSE ( NAG)6 REMARK 900 RELATED ID: 2WK2 RELATED DB: PDB REMARK 900 CHITINASE A FROM SERRATIA MARCESCENS ATCC990 IN COMPLEX WITH REMARK 900 CHITOTRIO-THIAZOLINE DITHIOAMIDE. REMARK 900 RELATED ID: 2WLY RELATED DB: PDB REMARK 900 CHITINASE A FROM SERRATIA MARCESCENS ATCC990 IN COMPLEX WITH REMARK 900 CHITOTRIO-THIAZOLINE. REMARK 900 RELATED ID: 2WM0 RELATED DB: PDB REMARK 900 CHITINASE A FROM SERRATIA MARCESCENS ATCC990 IN COMPLEX WITH REMARK 900 CHITOBIO-THIAZOLINE THIOAMIDE REMARK 999 REMARK 999 SEQUENCE REMARK 999 THERE ARE KNOWN DISCREPANCIES IN THE SEQUENCE DEPENDING ON REMARK 999 WHICH STRAIN OF SERRATIA MARCESCENS THE CLONE WAS DERIVED FROM. REMARK 999 THE BEST MATCH IS USING SEQUENCE ABI58232.1. THIS WAS DERIVED REMARK 999 FROM ATCC 990. WE HAVE SEQUENCED THIS GENE FROM TWO INDEPENDENT REMARK 999 PCR REACTIONS USING A GENOMIC DNA TEMPLATE AND FOUND THEM TO BE REMARK 999 IDENTICAL. THE STRAINS 2170, 27117, BJL200, ATCC990 AND QMB1466 REMARK 999 ARE SAID TO BE IDENTICAL THIS MAY NOT BE THE CASE. REMARK 999 THE ORIGINAL SEQUENCE HAD A N-TERMINAL SIGNAL PEPTIDE WHICH REMARK 999 IS DERIVED FROM THE EXPRESSION VECTOR PET 22B. THIS IS REMARK 999 CLEAVED OFF. THERE IS A C-TERMINAL HISTIDINE TAG WHICH IS REMARK 999 DISORDERED IN THE STRUCTURE. DBREF 2WLZ A 24 542 UNP A6XFF7 A6XFF7_SERMA 2 520 DBREF 2WLZ A 543 571 PDB 2WLZ 2WLZ 543 571 SEQRES 1 A 548 ALA ALA PRO GLY LYS PRO THR ILE ALA TRP GLY ASN THR SEQRES 2 A 548 LYS PHE ALA ILE VAL GLU VAL ASP GLN ALA ALA THR ALA SEQRES 3 A 548 TYR ASN ASN LEU VAL LYS VAL LYS ASN ALA ALA ASP VAL SEQRES 4 A 548 SER VAL SER TRP ASN LEU TRP ASN GLY ASP THR GLY THR SEQRES 5 A 548 THR ALA LYS ILE LEU LEU ASN GLY LYS GLU ALA TRP SER SEQRES 6 A 548 GLY PRO SER THR GLY SER SER GLY THR ALA ASN PHE LYS SEQRES 7 A 548 VAL ASN LYS GLY GLY ARG TYR GLN MET GLN VAL ALA LEU SEQRES 8 A 548 CYS ASN ALA ASP GLY CYS THR ALA SER ASP ALA THR GLU SEQRES 9 A 548 ILE VAL VAL ALA ASP THR ASP GLY SER HIS LEU ALA PRO SEQRES 10 A 548 LEU LYS GLU PRO LEU LEU GLU LYS ASN LYS PRO TYR LYS SEQRES 11 A 548 GLN ASN SER GLY LYS VAL VAL GLY SER TYR PHE VAL GLU SEQRES 12 A 548 TRP GLY VAL TYR GLY ARG ASN PHE THR VAL ASP LYS ILE SEQRES 13 A 548 PRO ALA GLN ASN LEU THR HIS LEU LEU TYR GLY PHE ILE SEQRES 14 A 548 PRO ILE CYS GLY GLY ASN GLY ILE ASN ASP SER LEU LYS SEQRES 15 A 548 GLU ILE GLU GLY SER PHE GLN ALA LEU GLN ARG SER CYS SEQRES 16 A 548 GLN GLY ARG GLU ASP PHE LYS VAL SER ILE HIS ASP PRO SEQRES 17 A 548 PHE ALA ALA LEU GLN LYS ALA GLN LYS GLY VAL THR ALA SEQRES 18 A 548 TRP ASP ASP PRO TYR LYS GLY ASN PHE GLY GLN LEU MET SEQRES 19 A 548 ALA LEU LYS GLN ALA HIS PRO ASP LEU LYS ILE LEU PRO SEQRES 20 A 548 SER ILE GLY GLY TRP THR LEU SER ASP PRO PHE PHE PHE SEQRES 21 A 548 MET GLY ASP LYS VAL LYS ARG ASP ARG PHE VAL GLY SER SEQRES 22 A 548 VAL LYS GLU PHE LEU GLN THR TRP LYS PHE PHE ASP GLY SEQRES 23 A 548 VAL ASP ILE ASP TRP GLU PHE PRO GLY GLY LYS GLY ALA SEQRES 24 A 548 ASN PRO ASN LEU GLY SER PRO GLN ASP GLY GLU THR TYR SEQRES 25 A 548 VAL LEU LEU MET LYS GLU LEU ARG ALA MET LEU ASP GLN SEQRES 26 A 548 LEU SER ALA GLU THR GLY ARG LYS TYR GLU LEU THR SER SEQRES 27 A 548 ALA ILE SER ALA GLY LYS ASP LYS ILE ASP LYS VAL ALA SEQRES 28 A 548 TYR ASN VAL ALA GLN ASN SER MET ASP HIS ILE PHE LEU SEQRES 29 A 548 MET SER TYR ASP PHE TYR GLY ALA PHE ASP LEU LYS ASN SEQRES 30 A 548 LEU GLY HIS GLN THR ALA LEU ASN ALA PRO ALA TRP LYS SEQRES 31 A 548 PRO ASP THR ALA TYR THR THR VAL ASN GLY VAL ASN ALA SEQRES 32 A 548 LEU LEU THR GLN GLY VAL LYS PRO GLY LYS ILE VAL VAL SEQRES 33 A 548 GLY THR ALA MET TYR GLY ARG GLY TRP THR GLY VAL ASN SEQRES 34 A 548 GLY TYR GLN ASN ASN ILE PRO PHE THR GLY THR ALA THR SEQRES 35 A 548 GLY PRO VAL LYS GLY THR TRP GLU ASN GLY ILE VAL ASP SEQRES 36 A 548 TYR ARG GLN ILE ALA SER GLN PHE MET SER GLY GLU TRP SEQRES 37 A 548 GLN TYR THR TYR ASP ALA THR ALA GLU ALA PRO TYR VAL SEQRES 38 A 548 PHE LYS PRO SER THR GLY ASP LEU ILE THR PHE ASP ASP SEQRES 39 A 548 ALA ARG SER VAL GLN ALA LYS GLY LYS TYR VAL LEU ASP SEQRES 40 A 548 LYS GLN LEU GLY GLY LEU PHE SER TRP GLU ILE ASP ALA SEQRES 41 A 548 ASP ASN GLY ASP ILE LEU ASN SER MET ASN ALA SER LEU SEQRES 42 A 548 GLY ASN SER ALA GLY VAL GLN LEU GLU HIS HIS HIS HIS SEQRES 43 A 548 HIS HIS HET DIO A1562 6 HET DIO A1563 6 HET DIO A1564 6 HET DIO A1565 6 HET DIO A1566 6 HET PEG A1567 7 HET PEG A1568 7 HET NGT A1569 14 HET NAG A1570 14 HETNAM DIO 1,4-DIETHYLENE DIOXIDE HETNAM PEG DI(HYDROXYETHYL)ETHER HETNAM NGT 3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A- HETNAM 2 NGT TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 2 DIO 5(C4 H8 O2) FORMUL 7 PEG 2(C4 H10 O3) FORMUL 9 NGT C8 H13 N O4 S FORMUL 10 NAG C8 H15 N O6 FORMUL 11 HOH *443(H2 O) HELIX 1 1 ALA A 49 LEU A 53 1 5 HELIX 2 2 TRP A 167 TYR A 170 5 4 HELIX 3 3 THR A 175 ILE A 179 5 5 HELIX 4 4 PRO A 180 LEU A 184 5 5 HELIX 5 5 ASN A 201 ILE A 207 5 7 HELIX 6 6 GLY A 209 CYS A 218 1 10 HELIX 7 7 ASP A 230 GLN A 236 1 7 HELIX 8 8 LYS A 250 HIS A 263 1 14 HELIX 9 9 SER A 278 MET A 284 5 7 HELIX 10 10 ASP A 286 TRP A 304 1 19 HELIX 11 11 GLN A 330 GLY A 354 1 25 HELIX 12 12 GLY A 366 ASP A 371 1 6 HELIX 13 13 ALA A 374 GLN A 379 1 6 HELIX 14 14 ASN A 380 MET A 382 5 3 HELIX 15 15 THR A 419 GLY A 431 1 13 HELIX 16 16 LYS A 433 GLY A 435 5 3 HELIX 17 17 ILE A 458 GLY A 462 5 5 HELIX 18 18 TYR A 479 PHE A 486 1 8 HELIX 19 19 ASP A 517 GLN A 532 1 16 HELIX 20 20 GLU A 540 ASP A 544 5 5 HELIX 21 21 GLY A 546 LEU A 556 1 11 SHEET 1 AA 3 THR A 30 ILE A 31 0 SHEET 2 AA 3 ALA A 60 ASN A 67 -1 O ASN A 67 N THR A 30 SHEET 3 AA 3 SER A 95 VAL A 102 -1 O GLY A 96 N TRP A 66 SHEET 1 AB 5 LYS A 37 ALA A 39 0 SHEET 2 AB 5 THR A 126 ALA A 131 1 O VAL A 129 N PHE A 38 SHEET 3 AB 5 GLY A 106 ASN A 116 -1 O GLY A 106 N VAL A 130 SHEET 4 AB 5 THR A 76 LEU A 81 -1 O THR A 76 N CYS A 115 SHEET 5 AB 5 LYS A 84 PRO A 90 -1 O LYS A 84 N LEU A 81 SHEET 1 AC 4 LYS A 37 ALA A 39 0 SHEET 2 AC 4 THR A 126 ALA A 131 1 O VAL A 129 N PHE A 38 SHEET 3 AC 4 GLY A 106 ASN A 116 -1 O GLY A 106 N VAL A 130 SHEET 4 AC 4 GLY A 119 ALA A 122 -1 O GLY A 119 N ASN A 116 SHEET 1 AD 2 VAL A 41 VAL A 43 0 SHEET 2 AD 2 VAL A 54 VAL A 56 -1 O LYS A 55 N GLU A 42 SHEET 1 AE 9 VAL A 159 VAL A 165 0 SHEET 2 AE 9 GLY A 535 TRP A 539 1 O LEU A 536 N GLY A 161 SHEET 3 AE 9 ILE A 437 ALA A 442 1 O VAL A 439 N PHE A 537 SHEET 4 AE 9 HIS A 384 MET A 388 1 O ILE A 385 N VAL A 438 SHEET 5 AE 9 GLU A 358 SER A 364 1 O SER A 361 N PHE A 386 SHEET 6 AE 9 GLY A 309 ASP A 313 1 O VAL A 310 N THR A 360 SHEET 7 AE 9 LYS A 267 GLY A 273 1 O PRO A 270 N ASP A 311 SHEET 8 AE 9 HIS A 186 ILE A 192 1 O LEU A 187 N LEU A 269 SHEET 9 AE 9 VAL A 159 VAL A 165 1 O SER A 162 N LEU A 188 SHEET 1 AF 8 GLY A 466 PRO A 467 0 SHEET 2 AF 8 TYR A 444 THR A 449 -1 N THR A 449 O GLY A 466 SHEET 3 AF 8 ILE A 476 ASP A 478 -1 O VAL A 477 N GLY A 445 SHEET 4 AF 8 TYR A 444 THR A 449 -1 O GLY A 445 N VAL A 477 SHEET 5 AF 8 GLN A 492 ASP A 496 0 SHEET 6 AF 8 ALA A 501 LYS A 506 -1 O ALA A 501 N ASP A 496 SHEET 7 AF 8 ASP A 511 THR A 514 -1 O ASP A 511 N LYS A 506 SHEET 8 AF 8 TYR A 444 THR A 449 -1 O ARG A 446 N THR A 514 SSBOND 1 CYS A 115 CYS A 120 1555 1555 2.42 SSBOND 2 CYS A 195 CYS A 218 1555 1555 2.11 LINK O4 NGT A1569 C1 NAG A1570 1555 1555 1.44 CISPEP 1 GLY A 190 PHE A 191 0 -1.11 CISPEP 2 GLU A 315 PHE A 316 0 1.54 CISPEP 3 TRP A 539 GLU A 540 0 -6.74 CRYST1 130.643 201.272 59.273 90.00 90.00 90.00 C 2 2 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 0.007654 0.000000 0.000000 0.00000 SCALE2 0.000000 0.004968 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016871 0.00000