Structure of PDB 1xc6 Chain A Binding Site BS04

Receptor Information
>1xc6 Chain A (length=971) Species: 5081 (Penicillium sp.) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LLQKYVTWDEHSIFVNGERLMIFSGEVHPYRLPVASLYIDIFEKVKALGF
NCVSFYVDWALLEGNPGHYSAEGIFDLQPFFDAAKEAGIYLLARPGPYIN
AEVSGGGFPGWLQRVDGILRTSDEAYLKATDNYASNIAATIAKAQITNGG
PIILYQPENEYSGACCGYNGFPDGSYMQYIEDHARDAGIVVPFISNDAWA
AGHNAPGTGAGAVDIYGHDSYPLGFDCANPSTWPSGNLPTYFHTSHEQQS
PSTPYSLVEFQGGAFDPWGGVGFAKCAALLNHEFERVFYKNDFSFGVAFL
NLYMIFGGTNWGNLGHPGGYTSYDYGSAISESRNITREKYSELKLLGNFA
KVSPGYLVANPGDLSTSTYTNTADLTVTPLLGSNSSASSFFVIRHSDYSS
QASVEYKLTVPTSAGNLTIPQLGGSLTLSGRDSKIHVTDYDVAGTNILYS
TAEVFTWKKFNNEKVLVLYGGPGEHHEFAVSGASSSSVVEGSSSGISSKK
VGKALVVAWDVSTARRIVQVGSLKVFLLDRNSAYNYWVPQVPTKGTAPGY
SNQETTASSIIVKAGYLVRSAYLDGNDLHIQADFNATTPIEVVGAPSGAK
NLVINGKKTQTKVDKNGIWSASVAYTAPKVQLPSLKSLKWKSVDTLPEAK
NTYDDSAWTSADHAYTNNSAHSLQTPTSLFASDYGYHTGALLFRGHFTAN
GKEKTFFVQTKGGTAYGHSIWINETYVGSWAGTSINDNNNATYTLPTLQS
GKNYVITVVIDNMGLDEDWTIGSEDMKNPRGIIQYSLSGQEASAISWKLT
GNLGGENYRDTVRGPLNEGGLYAERQGFHQPQPPTQKWDSSSPFTGLTKP
GIRFYSTSFDLDLPSGYDIPLYFNFGNSTSTPAAYRVQLYVNGYQYGKYV
NNIGPQTSFPVPEGILNYHGTNWLALSLWAQEDNGAKLDSFELINTTPVL
TSLGEVKSVNQPKYQARKGAY
Ligand information
Ligand IDGAL
InChIInChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3+,4+,5-,6-/m1/s1
InChIKeyWQZGKKKJIJFFOK-FPRJBGLDSA-N
SMILES
SoftwareSMILES
CACTVS 3.370OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@H]1O
OpenEye OEToolkits 1.7.2C(C1C(C(C(C(O1)O)O)O)O)O
CACTVS 3.370OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
ACDLabs 12.01OC1C(O)C(OC(O)C1O)CO
OpenEye OEToolkits 1.7.2C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)O
FormulaC6 H12 O6
Namebeta-D-galactopyranose;
beta-D-galactose;
D-galactose;
galactose
ChEMBLCHEMBL300520
DrugBank
ZINCZINC000002597049
PDB chain1xc6 Chain A Residue 9011 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1xc6 Crystal Structures of beta-Galactosidase from Penicillium sp. and its Complex with Galactose
Resolution2.1 Å
Binding residue
(original residue number in PDB)		Y96 N140 A141 E142 E200 Y261 E299 Y343 Y365
Binding residue
(residue number reindexed from 1)		Y56 N100 A101 E102 E160 Y221 E259 Y303 Y325
Annotation score4
Enzymatic activity
Enzyme Commision number 3.2.1.23: beta-galactosidase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004565 beta-galactosidase activity
GO:0005534 galactose binding
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0000272 polysaccharide catabolic process
GO:0005975 carbohydrate metabolic process
GO:0005990 lactose catabolic process
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005773 vacuole

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1xc6, PDBe:1xc6, PDBj:1xc6
PDBsum1xc6
PubMed15491613
UniProtQ700S9|BGALA_PENSQ Beta-galactosidase A (Gene Name=lacA)

[Back to BioLiP]