Structure of PDB 6qub Chain A

Receptor sequence
>6qubA (length=857) Species: 1681 (Bifidobacterium bifidum) [Search protein sequence]
AVDSKQNRTSDFDANWKFMLSDSVQAQDPAFDDSAWQQVDLPHDYSITQK
YSQSNEAESAYLPGGTGWYRKSFTIDRDLAGKRIAINFDGVYMNATVWFN
GVKLGTHPYGYSPFSFDLTGNAKFGGENTIVVKVENRLPSSRWYSGSGIY
RDVTLTVTDGVHVGNNGVAIKTPSLATQNGGDVTMNLTTKVANDTEAAAN
ITLKQTVFPKGGKTDAAIGTVTTASKSIAAGASADVTSTITAASPKLWSI
KNPNLYTVRTEVLNGGKVLDTYDTEYGFRWTGFDATSGFSLNGEKVKLKG
VSMHHDQGSLGAVANRRAIERQVEILQKMGVNSIRTTHNPAAKALIDVCN
EKGVLVVEEVFDMWNRSKNGNTEDYGKWFGQAIAGDNAVLGGDKDETWAK
FDLTSTINRDRNAPSVIMWSLGNEMMEGISGSVSGFPATSAKLVAWTKAA
DSTRPMTYGDNKIKANWNESNTMGDNLTANGGVVGTNYSDGANYDKIRTT
HPSWAIYGSETASAINSRGIYNRTTGGAQSSDKQLTSYDNSAVGWGAVAS
SAWYDVVQRDFVAGTYVWTGFDYLGEPTPWNGTGSGAVGSWPSPKNSYFG
IVDTAGFPKDTYYFYQSQWNDDVHTLHILPAWNENVVAKGSGNNVPVVVY
TDAAKVKLYFTPKGSTEKRLIGEKSFTKKTTAAGYTYQVYEGSDKDSTAH
KNMYLTWNVPWAEGTISAEAYDENNRLIPEGSTEGNASVTTTGKAAKLKA
DADRKTITADGKDLSYIEVDVTDANGHIVPDAANRVTFDVKGAGKLVGVD
NGSSPDHDSYQADNRKAFSGKVLAIVQSTKEAGEITVTAKADGLQSSTVK
IATTAVP
3D structure
PDB6qub Truncated beta-galactosidase III from Bifidobacterium bifidum
ChainA
Resolution1.95 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.2.1.23: beta-galactosidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 GAL A R197 H393 N478 E479 Y543 E565 S568 W600 W623 E631 F654 R142 H338 N423 E424 Y488 E510 S513 W545 W568 E576 F599
BS02 CA A N675 V678 D707 N620 V623 D652
BS03 CA A E111 E113 N424 N426 T638 E56 E58 N369 N371 T583
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
Biological Process
GO:0005975 carbohydrate metabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:6qub, PDBe:6qub, PDBj:6qub
PDBsum6qub
PubMed
UniProtQ9F4D5

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