HEADER HYDROLASE 10-MAR-03 1HKJ TITLE CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX WITH METHYLALLOSAMIDIN CAVEAT 1HKJ NA1 B 2 HAS WRONG CHIRALITY AT ATOM C1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHITOTRIOSIDASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CHITOTRIOSIDASE, RESIDUES 22-386; COMPND 5 SYNONYM: ENDOCHITINASE; COMPND 6 EC: 3.2.1.14; COMPND 7 OTHER_DETAILS: METHYLALLOSAMIDIN (CHITINASE INHBITOR) SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 CELL: MACROPHAGE KEYWDS HUMAN CHITINASE, HYDROLASE, ALLOSAMIDIN, METHYLALLOSAMIDIN EXPDTA X-RAY DIFFRACTION AUTHOR F.V.RAO,D.R.HOUSTON,R.G.BOOT,J.M.F.G.AERTS,S.SAKUDA,D.M.F.VAN AALTEN REVDAT 6 13-NOV-24 1HKJ 1 REMARK REVDAT 5 13-DEC-23 1HKJ 1 REMARK HETSYN LINK REVDAT 4 29-JUL-20 1HKJ 1 CAVEAT COMPND REMARK HETNAM REVDAT 4 2 1 LINK SITE ATOM REVDAT 3 24-JUL-19 1HKJ 1 REMARK LINK REVDAT 2 24-FEB-09 1HKJ 1 VERSN REVDAT 1 11-MAR-04 1HKJ 0 JRNL AUTH F.V.RAO,D.R.HOUSTON,R.G.BOOT,J.M.F.G.AERTS,S.SAKUDA, JRNL AUTH 2 D.M.F.VAN AALTEN JRNL TITL CRYSTAL STRUCTURES OF ALLOSAMIDIN DERIVATIVES IN COMPLEX JRNL TITL 2 WITH HUMAN MACROPHAGE CHITINASE JRNL REF J.BIOL.CHEM. V. 278 20110 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12639956 JRNL DOI 10.1074/JBC.M300362200 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.37 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1637975.240 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 12478 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 SET) : 0.211 REMARK 3 FREE R VALUE : 0.258 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 245 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.016 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1993 REMARK 3 BIN R VALUE (WORKING SET) : 0.3210 REMARK 3 BIN FREE R VALUE : 0.4120 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 1.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 37 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.068 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2877 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 46 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 53.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 45.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.46000 REMARK 3 B22 (A**2) : 7.46000 REMARK 3 B33 (A**2) : -14.92000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.43 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.47 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.62 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.980 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.550 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.570 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.280 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.400 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 38.60 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : METHYL.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : METHYL.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1HKJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-MAR-03. REMARK 100 THE DEPOSITION ID IS D_1290012340. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-02 REMARK 200 TEMPERATURE (KELVIN) : 113.0 REMARK 200 PH : 6.50 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 : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.811 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 54650 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 4.400 REMARK 200 R MERGE (I) : 0.09400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.30 REMARK 200 R MERGE FOR SHELL (I) : 0.64500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1GUV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25 % PEG 550 MME 0.01 M ZNSO4, 0.1 M REMARK 280 MES PH 6.5, PH 6.50 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 43.54300 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 46.99500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 46.99500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 65.31450 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 46.99500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 46.99500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 21.77150 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 46.99500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 46.99500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 65.31450 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 46.99500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 46.99500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 21.77150 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 43.54300 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, 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLU A 176 CG CD OE1 OE2 REMARK 480 GLN A 232 CB CG CD OE1 NE2 REMARK 480 SER A 277 CB OG REMARK 480 LYS A 296 CE NZ REMARK 480 SER A 308 CA C O CB OG REMARK 480 TRP A 309 N REMARK 480 GLN A 349 CG CD OE1 NE2 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 OD2 ASP A 108 O HOH A 2021 2.09 REMARK 500 OG1 THR A 107 OD2 ASP A 151 2.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 2021 O HOH A 2021 7465 1.44 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 ASP A 361 CB ASP A 361 CG -0.127 REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 361 N - CA - CB ANGL. DEV. = -12.6 DEGREES REMARK 500 ASP A 361 CB - CG - OD2 ANGL. DEV. = -5.6 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 THR A 69 -8.75 -140.19 REMARK 500 ASN A 87 86.91 -153.60 REMARK 500 GLN A 104 -73.39 -34.00 REMARK 500 SER A 131 38.77 78.38 REMARK 500 SER A 217 3.01 -68.43 REMARK 500 GLU A 233 13.50 -69.02 REMARK 500 LEU A 241 54.38 -64.26 REMARK 500 GLN A 252 -4.44 -55.11 REMARK 500 TRP A 309 95.19 -66.19 REMARK 500 GLN A 318 -48.09 -25.47 REMARK 500 ASP A 328 -116.63 74.87 REMARK 500 SER A 369 -46.70 -154.25 REMARK 500 TYR A 375 60.80 63.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: DSSP REMARK 700 THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS REMARK 700 BELOW IS ACTUALLY AN 10-STRANDED BARREL THIS IS REPRESENTED BY REMARK 700 A 11-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: 1GUV RELATED DB: PDB REMARK 900 STRUCTURE OF HUMAN CHITOTRIOSIDASE REMARK 900 RELATED ID: 1HKI RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX WITH REMARK 900 GLUCOALLOSAMIDIN B REMARK 900 RELATED ID: 1HKK RELATED DB: PDB REMARK 900 HIGH RESOULTION CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX REMARK 900 WITH ALLOSAMIDIN REMARK 900 RELATED ID: 1HKM RELATED DB: PDB REMARK 900 HIGH RESOULTION CRYSTAL STRUCTURE OF HUMAN CHITINASE IN COMPLEX REMARK 900 WITH DEMETHYLALLOSAMIDIN REMARK 900 RELATED ID: 1LG1 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITOTRIOSIDASE IN COMPLEX WITHCHITOBIOSE REMARK 900 RELATED ID: 1LG2 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF HUMAN CHITOTRIOSIDASE IN COMPLEX WITHETHYLENE REMARK 900 GLYCOL DBREF 1HKJ A 22 386 UNP Q13231 Q13231 22 386 SEQADV 1HKJ GLN A 234 UNP Q13231 GLU 234 CONFLICT SEQRES 1 A 365 ALA LYS LEU VAL CYS TYR PHE THR ASN TRP ALA GLN TYR SEQRES 2 A 365 ARG GLN GLY GLU ALA ARG PHE LEU PRO LYS ASP LEU ASP SEQRES 3 A 365 PRO SER LEU CYS THR HIS LEU ILE TYR ALA PHE ALA GLY SEQRES 4 A 365 MET THR ASN HIS GLN LEU SER THR THR GLU TRP ASN ASP SEQRES 5 A 365 GLU THR LEU TYR GLN GLU PHE ASN GLY LEU LYS LYS MET SEQRES 6 A 365 ASN PRO LYS LEU LYS THR LEU LEU ALA ILE GLY GLY TRP SEQRES 7 A 365 ASN PHE GLY THR GLN LYS PHE THR ASP MET VAL ALA THR SEQRES 8 A 365 ALA ASN ASN ARG GLN THR PHE VAL ASN SER ALA ILE ARG SEQRES 9 A 365 PHE LEU ARG LYS TYR SER PHE ASP GLY LEU ASP LEU ASP SEQRES 10 A 365 TRP GLU TYR PRO GLY SER GLN GLY SER PRO ALA VAL ASP SEQRES 11 A 365 LYS GLU ARG PHE THR THR LEU VAL GLN ASP LEU ALA ASN SEQRES 12 A 365 ALA PHE GLN GLN GLU ALA GLN THR SER GLY LYS GLU ARG SEQRES 13 A 365 LEU LEU LEU SER ALA ALA VAL PRO ALA GLY GLN THR TYR SEQRES 14 A 365 VAL ASP ALA GLY TYR GLU VAL ASP LYS ILE ALA GLN ASN SEQRES 15 A 365 LEU ASP PHE VAL ASN LEU MET ALA TYR ASP PHE HIS GLY SEQRES 16 A 365 SER TRP GLU LYS VAL THR GLY HIS ASN SER PRO LEU TYR SEQRES 17 A 365 LYS ARG GLN GLU GLN SER GLY ALA ALA ALA SER LEU ASN SEQRES 18 A 365 VAL ASP ALA ALA VAL GLN GLN TRP LEU GLN LYS GLY THR SEQRES 19 A 365 PRO ALA SER LYS LEU ILE LEU GLY MET PRO THR TYR GLY SEQRES 20 A 365 ARG SER PHE THR LEU ALA SER SER SER ASP THR ARG VAL SEQRES 21 A 365 GLY ALA PRO ALA THR GLY SER GLY THR PRO GLY PRO PHE SEQRES 22 A 365 THR LYS GLU GLY GLY MET LEU ALA TYR TYR GLU VAL CYS SEQRES 23 A 365 SER TRP LYS GLY ALA THR LYS GLN ARG ILE GLN ASP GLN SEQRES 24 A 365 LYS VAL PRO TYR ILE PHE ARG ASP ASN GLN TRP VAL GLY SEQRES 25 A 365 PHE ASP ASP VAL GLU SER PHE LYS THR LYS VAL SER TYR SEQRES 26 A 365 LEU LYS GLN LYS GLY LEU GLY GLY ALA MET VAL TRP ALA SEQRES 27 A 365 LEU ASP LEU ASP ASP PHE ALA GLY PHE SER CYS ASN GLN SEQRES 28 A 365 GLY ARG TYR PRO LEU ILE GLN THR LEU ARG GLN GLU LEU SEQRES 29 A 365 SER HET NAA B 1 14 HET NA1 B 2 15 HET AMI A1389 15 HETNAM NAA 2-ACETAMIDO-2-DEOXY-BETA-D-ALLOPYRANOSE HETNAM NA1 2-ACETAMIDO-2-DEOXY-6-O-METHYL-ALPHA-D-ALLOPYRANOSE HETNAM AMI ALLOSAMIZOLINE HETSYN NAA N-ACETYL-BETA-D-ALLOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-D- HETSYN 2 NAA ALLOSE; 2-ACETAMIDO-2-DEOXY-D-ALLOSE; 2-ACETAMIDO-2- HETSYN 3 NAA DEOXY-ALLOSE; N-ACETYL-D-ALLOSAMINE HETSYN NA1 METHYL N-ACETYL ALLOSAMINE; 2-(ACETYLAMINO)-2-DEOXY-6- HETSYN 2 NA1 O-METHYL-ALPHA-D-ALLOPYRANOSE; 2-ACETAMIDO-2-DEOXY-6- HETSYN 3 NA1 O-METHYL-ALPHA-D-ALLOSE; 2-ACETAMIDO-2-DEOXY-6-O- HETSYN 4 NA1 METHYL-D-ALLOSE; 2-ACETAMIDO-2-DEOXY-6-O-METHYL-ALLOSE FORMUL 2 NAA C8 H15 N O6 FORMUL 2 NA1 C9 H17 N O6 FORMUL 3 AMI C9 H16 N2 O4 FORMUL 4 HOH *46(H2 O) HELIX 1 1 TRP A 31 ARG A 35 5 5 HELIX 2 2 GLN A 36 ARG A 40 5 5 HELIX 3 3 LEU A 42 LEU A 46 5 5 HELIX 4 4 ASN A 72 ASN A 87 1 16 HELIX 5 5 TRP A 99 GLY A 102 5 4 HELIX 6 6 THR A 103 VAL A 110 1 8 HELIX 7 7 THR A 112 SER A 131 1 20 HELIX 8 8 VAL A 150 GLY A 174 1 25 HELIX 9 9 GLY A 187 TYR A 195 1 9 HELIX 10 10 GLU A 196 GLN A 202 1 7 HELIX 11 11 GLY A 236 LEU A 241 1 6 HELIX 12 12 ASN A 242 GLN A 252 1 11 HELIX 13 13 PRO A 256 SER A 258 5 3 HELIX 14 14 TYR A 304 VAL A 306 5 3 HELIX 15 15 ASP A 336 GLY A 351 1 16 HELIX 16 16 ALA A 359 ASP A 363 5 5 HELIX 17 17 TYR A 375 SER A 386 1 12 SHEET 1 AA11 LYS A 23 THR A 29 0 SHEET 2 AA11 GLY A 354 TRP A 358 1 O ALA A 355 N VAL A 25 SHEET 3 AA11 LEU A 260 PRO A 265 1 O LEU A 262 N MET A 356 SHEET 4 AA11 PHE A 206 LEU A 209 1 O VAL A 207 N ILE A 261 SHEET 5 AA11 LEU A 179 VAL A 184 1 O ALA A 182 N ASN A 208 SHEET 6 AA11 GLY A 134 ASP A 138 1 O LEU A 135 N SER A 181 SHEET 7 AA11 LYS A 91 GLY A 97 1 O LEU A 94 N ASP A 136 SHEET 8 AA11 HIS A 53 MET A 61 1 O LEU A 54 N LEU A 93 SHEET 9 AA11 LYS A 23 THR A 29 1 O LEU A 24 N HIS A 53 SHEET 10 AA11 GLY A 354 TRP A 358 1 O ALA A 355 N VAL A 25 SHEET 11 AA11 LYS A 23 THR A 29 1 O LYS A 23 N ALA A 355 SHEET 1 AB 8 ALA A 285 SER A 288 0 SHEET 2 AB 8 TYR A 267 LEU A 273 -1 O THR A 272 N THR A 286 SHEET 3 AB 8 LEU A 301 ALA A 302 -1 O LEU A 301 N GLY A 268 SHEET 4 AB 8 TYR A 267 LEU A 273 -1 O GLY A 268 N LEU A 301 SHEET 5 AB 8 THR A 313 ARG A 316 0 SHEET 6 AB 8 PRO A 323 ARG A 327 -1 O TYR A 324 N GLN A 315 SHEET 7 AB 8 GLN A 330 GLY A 333 -1 O GLN A 330 N ARG A 327 SHEET 8 AB 8 TYR A 267 LEU A 273 -1 O ARG A 269 N GLY A 333 SSBOND 1 CYS A 26 CYS A 51 1555 1555 2.04 SSBOND 2 CYS A 307 CYS A 370 1555 1555 2.04 LINK O4 AMI A1389 C1 NAA B 1 1555 1555 1.43 LINK O4 NAA B 1 C1 NA1 B 2 1555 1555 1.42 CISPEP 1 ALA A 57 PHE A 58 0 1.20 CISPEP 2 GLU A 140 TYR A 141 0 -1.07 CISPEP 3 TRP A 358 ALA A 359 0 -0.99 CRYST1 93.990 93.990 87.086 90.00 90.00 90.00 P 43 21 2 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 0.010639 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010639 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011483 0.00000