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2YBU

Crystal structure of human acidic chitinase in complex with bisdionin F

Functional Information from GO Data
ChainGOidnamespacecontents
A0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
A0005975biological_processcarbohydrate metabolic process
A0008061molecular_functionchitin binding
B0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
B0005975biological_processcarbohydrate metabolic process
B0008061molecular_functionchitin binding
C0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
C0005975biological_processcarbohydrate metabolic process
C0008061molecular_functionchitin binding
D0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
D0005975biological_processcarbohydrate metabolic process
D0008061molecular_functionchitin binding
E0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
E0005975biological_processcarbohydrate metabolic process
E0008061molecular_functionchitin binding
F0004553molecular_functionhydrolase activity, hydrolyzing O-glycosyl compounds
F0005975biological_processcarbohydrate metabolic process
F0008061molecular_functionchitin binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 1397
ChainResidue
ATRP31
AARG35
AGLU297
ATRP360
ACX91398
AHOH2008

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL B 1397
ChainResidue
BILE300
BTRP360
BCX91398
BHOH2211
BTRP31
BARG35
BGLU297

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL C 1397
ChainResidue
CTRP31
CARG35
CTRP360
CCX91398
CHOH2197

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL D 1397
ChainResidue
DTRP31
DARG35
DGLU297
DTRP360
DCX91398
DHOH2158

site_idAC5
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL E 1397
ChainResidue
ETRP31
EARG35
EGLU297
ETRP360
ELEU364
ECX91398
EHOH2168

site_idAC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL F 1397
ChainResidue
FTRP31
FARG35
FGLU297
FILE300
FTRP360
FLEU364
FCX91398
FHOH2113

site_idAC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE CX9 A 1398
ChainResidue
ATRP31
APHE58
AGLY98
ATRP99
AASN100
AASP138
AGLU140
AMET210
ATYR212
ATYR267
ATRP360
AGOL1397
AHOH2057
AHOH2129
AHOH2213

site_idAC8
Number of Residues14
DetailsBINDING SITE FOR RESIDUE CX9 B 1398
ChainResidue
BTRP31
BPHE58
BGLY98
BTRP99
BASN100
BASP138
BGLU140
BMET210
BTYR212
BTYR267
BTRP360
BGOL1397
BHOH2059
BHOH2220

site_idAC9
Number of Residues13
DetailsBINDING SITE FOR RESIDUE CX9 C 1398
ChainResidue
CTRP31
CPHE58
CGLY98
CTRP99
CASN100
CASP138
CGLU140
CMET210
CTYR212
CTYR267
CTRP360
CGOL1397
CHOH2198

site_idBC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE CX9 D 1398
ChainResidue
DTRP31
DPHE58
DGLY98
DTRP99
DASN100
DASP138
DGLU140
DMET210
DTYR212
DTYR267
DTRP360
DGOL1397
DHOH2042
DHOH2170
DHOH2171

site_idBC2
Number of Residues13
DetailsBINDING SITE FOR RESIDUE CX9 E 1398
ChainResidue
ETRP99
EASN100
EASP138
EGLU140
EMET210
ETYR212
ETYR267
ETRP360
EGOL1397
EHOH2193
ETRP31
EPHE58
EGLY98

site_idBC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE CX9 F 1398
ChainResidue
FTRP31
FPHE58
FGLY98
FTRP99
FASN100
FASP138
FGLU140
FMET210
FTYR212
FTYR267
FTRP360
FGOL1397
FHOH2090
FHOH2123

site_idBC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CX9 A 1399
ChainResidue
ATRP99
ATRP218
AHOH2086

site_idBC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CX9 B 1399
ChainResidue
BTRP99
BTRP218

site_idBC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CX9 C 1399
ChainResidue
CTRP99
CTRP218
CHOH2069
CHOH2199

site_idBC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CX9 D 1399
ChainResidue
AGLN62
DTRP99
DTRP218

site_idBC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CX9 E 1399
ChainResidue
ETRP99
ETRP218

site_idBC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CX9 F 1399
ChainResidue
FTRP99
FTRP218

Functional Information from PROSITE/UniProt
site_idPS01095
Number of Residues9
DetailsGH18_1 Glycosyl hydrolases family 18 (GH18) active site signature. FDGLDFDwE
ChainResidueDetails
APHE132-GLU140

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2208
DetailsDomain: {"description":"GH18","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues54
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01258","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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