HEADER HYDROLASE 04-JUN-09 2WK2 TITLE CHITINASE A FROM SERRATIA MARCESCENS ATCC990 IN COMPLEX WITH TITLE 2 CHITOTRIO-THIAZOLINE DITHIOAMIDE. 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 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SERRATIA MARCESCENS; SOURCE 3 ORGANISM_TAXID: 615; SOURCE 4 ATCC: 990 KEYWDS HYDROLASE, THIAZOLINES, CHITINASE A, GLYCOSIDASE, CHITIN HYDROLYSIS, KEYWDS 2 CHITIN DEGRADATION, POLYSACCHARIDE DEGRADATION, FAMILY 18 KEYWDS 3 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 5 16-OCT-24 2WK2 1 REMARK REVDAT 4 13-DEC-23 2WK2 1 HETSYN REVDAT 3 29-JUL-20 2WK2 1 COMPND REMARK LINK SITE REVDAT 3 2 1 ATOM REVDAT 2 12-OCT-11 2WK2 1 JRNL REMARK FORMUL VERSN REVDAT 1 16-MAR-10 2WK2 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. 2.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0088 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) : 2.05 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 109.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 47209 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) : 0.168 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.215 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2522 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) : 2.05 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.10 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3364 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.28 REMARK 3 BIN R VALUE (WORKING SET) : 0.2140 REMARK 3 BIN FREE R VALUE SET COUNT : 186 REMARK 3 BIN FREE R VALUE : 0.2680 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4126 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 470 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 0.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.82 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.28000 REMARK 3 B22 (A**2) : -0.21000 REMARK 3 B33 (A**2) : -0.07000 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): 0.142 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.142 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.094 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.469 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.956 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.927 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4397 ; 0.020 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5980 ; 1.713 ; 1.960 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 556 ; 6.068 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 192 ;39.381 ;25.417 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 689 ;13.028 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;19.796 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 647 ; 0.134 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3372 ; 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): 2709 ; 0.984 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4337 ; 1.673 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1688 ; 2.991 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1642 ; 4.576 ; 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 2WK2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-JUN-09. REMARK 100 THE DEPOSITION ID IS D_1290040038. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-SEP-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 : ID14-2 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 QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49743 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.050 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.43000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.800 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 (%): 64.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.0 M SODIUM CITRATE, 10 MM SODIUM REMARK 280 BORATE PH 8.0, DIOXANE 10 % 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 29.71850 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 29.71850 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 65.60700 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 100.48500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 65.60700 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 100.48500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 29.71850 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 65.60700 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 100.48500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 29.71850 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 65.60700 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 100.48500 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, B, 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 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 GLN A 563 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 LYS A 142 CG CD CE NZ 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 OH TYR A 493 OD2 ASP A 517 2.03 REMARK 500 O5 SN5 B 1 O4 NGT A 1565 2.03 REMARK 500 C4 SN5 C 1 C1 SN5 C 2 2.09 REMARK 500 O4 SN5 B 1 O5 SN5 B 2 2.09 REMARK 500 O4 SN5 C 1 C2 SN5 C 2 2.11 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 TYR A 50 CE2 TYR A 50 CD2 0.096 REMARK 500 TYR A 249 CE2 TYR A 249 CD2 -0.090 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 GLU A 147 -131.13 43.40 REMARK 500 TYR A 170 -105.03 -97.44 REMARK 500 SER A 227 -158.51 -137.91 REMARK 500 LYS A 250 -157.09 -124.90 REMARK 500 ASP A 313 77.02 -108.43 REMARK 500 THR A 405 27.27 -145.38 REMARK 500 LYS A 413 69.79 -160.70 REMARK 500 GLU A 500 71.59 66.38 REMARK 500 ALA A 501 119.64 -166.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 PEG A 1569 REMARK 610 PEG A 1570 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: 1NH6 RELATED DB: PDB REMARK 900 STRUCTURE OF S. MARCESCENS CHITINASE A, E315L, COMPLEX REMARK 900 WITHHEXASACCHARIDE 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: 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 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 2WK2 A 24 542 UNP A6XFF7 A6XFF7_SERMA 2 520 DBREF 2WK2 A 543 563 PDB 2WK2 2WK2 543 563 SEQRES 1 A 540 ALA ALA PRO GLY LYS PRO THR ILE ALA TRP GLY ASN THR SEQRES 2 A 540 LYS PHE ALA ILE VAL GLU VAL ASP GLN ALA ALA THR ALA SEQRES 3 A 540 TYR ASN ASN LEU VAL LYS VAL LYS ASN ALA ALA ASP VAL SEQRES 4 A 540 SER VAL SER TRP ASN LEU TRP ASN GLY ASP THR GLY THR SEQRES 5 A 540 THR ALA LYS ILE LEU LEU ASN GLY LYS GLU ALA TRP SER SEQRES 6 A 540 GLY PRO SER THR GLY SER SER GLY THR ALA ASN PHE LYS SEQRES 7 A 540 VAL ASN LYS GLY GLY ARG TYR GLN MET GLN VAL ALA LEU SEQRES 8 A 540 CYS ASN ALA ASP GLY CYS THR ALA SER ASP ALA THR GLU SEQRES 9 A 540 ILE VAL VAL ALA ASP THR ASP GLY SER HIS LEU ALA PRO SEQRES 10 A 540 LEU LYS GLU PRO LEU LEU GLU LYS ASN LYS PRO TYR LYS SEQRES 11 A 540 GLN ASN SER GLY LYS VAL VAL GLY SER TYR PHE VAL GLU SEQRES 12 A 540 TRP GLY VAL TYR GLY ARG ASN PHE THR VAL ASP LYS ILE SEQRES 13 A 540 PRO ALA GLN ASN LEU THR HIS LEU LEU TYR GLY PHE ILE SEQRES 14 A 540 PRO ILE CYS GLY GLY ASN GLY ILE ASN ASP SER LEU LYS SEQRES 15 A 540 GLU ILE GLU GLY SER PHE GLN ALA LEU GLN ARG SER CYS SEQRES 16 A 540 GLN GLY ARG GLU ASP PHE LYS VAL SER ILE HIS ASP PRO SEQRES 17 A 540 PHE ALA ALA LEU GLN LYS ALA GLN LYS GLY VAL THR ALA SEQRES 18 A 540 TRP ASP ASP PRO TYR LYS GLY ASN PHE GLY GLN LEU MET SEQRES 19 A 540 ALA LEU LYS GLN ALA HIS PRO ASP LEU LYS ILE LEU PRO SEQRES 20 A 540 SER ILE GLY GLY TRP THR LEU SER ASP PRO PHE PHE PHE SEQRES 21 A 540 MET GLY ASP LYS VAL LYS ARG ASP ARG PHE VAL GLY SER SEQRES 22 A 540 VAL LYS GLU PHE LEU GLN THR TRP LYS PHE PHE ASP GLY SEQRES 23 A 540 VAL ASP ILE ASP TRP GLU PHE PRO GLY GLY LYS GLY ALA SEQRES 24 A 540 ASN PRO ASN LEU GLY SER PRO GLN ASP GLY GLU THR TYR SEQRES 25 A 540 VAL LEU LEU MET LYS GLU LEU ARG ALA MET LEU ASP GLN SEQRES 26 A 540 LEU SER ALA GLU THR GLY ARG LYS TYR GLU LEU THR SER SEQRES 27 A 540 ALA ILE SER ALA GLY LYS ASP LYS ILE ASP LYS VAL ALA SEQRES 28 A 540 TYR ASN VAL ALA GLN ASN SER MET ASP HIS ILE PHE LEU SEQRES 29 A 540 MET SER TYR ASP PHE TYR GLY ALA PHE ASP LEU LYS ASN SEQRES 30 A 540 LEU GLY HIS GLN THR ALA LEU ASN ALA PRO ALA TRP LYS SEQRES 31 A 540 PRO ASP THR ALA TYR THR THR VAL ASN GLY VAL ASN ALA SEQRES 32 A 540 LEU LEU THR GLN GLY VAL LYS PRO GLY LYS ILE VAL VAL SEQRES 33 A 540 GLY THR ALA MET TYR GLY ARG GLY TRP THR GLY VAL ASN SEQRES 34 A 540 GLY TYR GLN ASN ASN ILE PRO PHE THR GLY THR ALA THR SEQRES 35 A 540 GLY PRO VAL LYS GLY THR TRP GLU ASN GLY ILE VAL ASP SEQRES 36 A 540 TYR ARG GLN ILE ALA SER GLN PHE MET SER GLY GLU TRP SEQRES 37 A 540 GLN TYR THR TYR ASP ALA THR ALA GLU ALA PRO TYR VAL SEQRES 38 A 540 PHE LYS PRO SER THR GLY ASP LEU ILE THR PHE ASP ASP SEQRES 39 A 540 ALA ARG SER VAL GLN ALA LYS GLY LYS TYR VAL LEU ASP SEQRES 40 A 540 LYS GLN LEU GLY GLY LEU PHE SER TRP GLU ILE ASP ALA SEQRES 41 A 540 ASP ASN GLY ASP ILE LEU ASN SER MET ASN ALA SER LEU SEQRES 42 A 540 GLY ASN SER ALA GLY VAL GLN HET SN5 B 1 14 HET SN5 B 2 14 HET SN5 C 1 15 HET SN5 C 2 14 HET NGT A1565 14 HET PEG A1568 7 HET PEG A1569 4 HET PEG A1570 4 HETNAM SN5 2-DEOXY-2-(ETHANETHIOYLAMINO)-BETA-D-GLUCOPYRANOSE 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 PEG DI(HYDROXYETHYL)ETHER HETSYN SN5 N-ETHANETHIOYL-BETA-D-GLUCOSAMINE; 2-DEOXY-2- HETSYN 2 SN5 (ETHANETHIOYLAMINO)-BETA-D-GLUCOSE; 2-DEOXY-2- HETSYN 3 SN5 (ETHANETHIOYLAMINO)-D-GLUCOSE; 2-DEOXY-2- HETSYN 4 SN5 (ETHANETHIOYLAMINO)-GLUCOSE FORMUL 2 SN5 4(C8 H15 N O5 S) FORMUL 4 NGT C8 H13 N O4 S FORMUL 5 PEG 3(C4 H10 O3) FORMUL 8 HOH *470(H2 O) HELIX 1 1 ALA A 49 LEU A 53 1 5 HELIX 2 2 THR A 175 ILE A 179 5 5 HELIX 3 3 PRO A 180 LEU A 184 5 5 HELIX 4 4 ASN A 201 ILE A 207 5 7 HELIX 5 5 SER A 210 CYS A 218 1 9 HELIX 6 6 ASP A 230 GLN A 236 1 7 HELIX 7 7 GLN A 255 HIS A 263 1 9 HELIX 8 8 SER A 278 MET A 284 5 7 HELIX 9 9 ASP A 286 VAL A 294 1 9 HELIX 10 10 SER A 296 TRP A 304 1 9 HELIX 11 11 GLU A 333 THR A 353 1 21 HELIX 12 12 LYS A 369 VAL A 373 5 5 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 VAL A 424 GLN A 430 1 7 HELIX 16 16 ASP A 478 PHE A 486 1 9 HELIX 17 17 ASP A 517 LYS A 524 1 8 HELIX 18 18 LYS A 526 GLN A 532 1 7 HELIX 19 19 GLU A 540 ASP A 544 5 5 HELIX 20 20 ASP A 547 LEU A 556 1 10 SHEET 1 AA 2 THR A 30 ILE A 31 0 SHEET 2 AA 2 TRP A 66 ASN A 67 -1 O ASN A 67 N THR A 30 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 TYR A 108 CYS A 115 -1 O TYR A 108 N ILE A 128 SHEET 4 AB 5 THR A 76 LEU A 81 -1 O THR A 76 N CYS A 115 SHEET 5 AB 5 GLU A 85 TRP A 87 -1 N ALA A 86 O ILE A 79 SHEET 1 AC 3 LYS A 37 ALA A 39 0 SHEET 2 AC 3 THR A 126 ALA A 131 1 O VAL A 129 N PHE A 38 SHEET 3 AC 3 TYR A 108 CYS A 115 -1 O TYR A 108 N ILE A 128 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 2 ALA A 60 VAL A 64 0 SHEET 2 AE 2 ALA A 98 VAL A 102 -1 O ALA A 98 N VAL A 64 SHEET 1 AF 6 HIS A 186 PHE A 191 0 SHEET 2 AF 6 LYS A 267 ILE A 272 1 O LYS A 267 N LEU A 187 SHEET 3 AF 6 ASP A 311 ILE A 312 1 O ASP A 311 N ILE A 272 SHEET 4 AF 6 THR A 360 SER A 364 1 O THR A 360 N ILE A 312 SHEET 5 AF 6 HIS A 384 MET A 388 1 O HIS A 384 N SER A 361 SHEET 6 AF 6 ILE A 437 VAL A 438 1 O VAL A 438 N LEU A 387 SHEET 1 AG 3 GLN A 492 ASP A 496 0 SHEET 2 AG 3 ALA A 501 PHE A 505 -1 O ALA A 501 N ASP A 496 SHEET 3 AG 3 LEU A 512 THR A 514 -1 O ILE A 513 N VAL A 504 SSBOND 1 CYS A 115 CYS A 120 1555 1555 2.09 SSBOND 2 CYS A 195 CYS A 218 1555 1555 2.08 LINK O4 NGT A1565 C1 SN5 B 1 1555 1555 1.11 LINK O4 SN5 B 1 C1 SN5 B 2 1555 1555 1.16 LINK O4 SN5 C 1 C1 SN5 C 2 1555 1555 1.11 CISPEP 1 GLY A 190 PHE A 191 0 3.67 CISPEP 2 GLU A 315 PHE A 316 0 2.67 CISPEP 3 TRP A 539 GLU A 540 0 -7.98 CRYST1 131.214 200.970 59.437 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 0.007621 0.000000 0.000000 0.00000 SCALE2 0.000000 0.004976 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016825 0.00000