Structure of PDB 7nit Chain E Binding Site BS01

Receptor Information
>7nit Chain E (length=1235) Species: 1681 (Bifidobacterium bifidum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
STPEVVYSSAVDSKQNRTSDFDANWKFMLSDSVQAQDPAFDDSAWQQVDL
PHDYSITQKYSQSNEAESAYLPGGTGWYRKSFTIDRDLAGKRIAINFDGV
YMNATVWFNGVKLGTHPYGYSPFSFDLTGNAKFGGENTIVVKVENRLPSS
RWYSGSGIYRDVTLTVTDGVHVGNNGVAIKTPSLATQNGGNVTMNLTTKV
ANDTKAAANITLKQTVFPKGGKTDAAIGTVTTASKSIAAGASADVTSTIT
AASPKLWSIKNPNLYTVRTEVLNGGKVLDTYDTEYGFRWTGFDATSGFSL
NGEKVKLKGVSMHHDQGSLGAVANRRAIERQVEILQKMGVNSIRTTHNPA
AKALIDVCNEKGVLVVEEVFDMWNRSKNGNTEDYGKWFGQAIAGDNAVLG
GDKDETWAKFDLTSTINRDRNAPSVIMWSLGNEMMEGISGSVSGFPATSA
KLVAWTKAADSTRPMTYGDNKIKANWNESNTMGDNLTANGGVVGTNYSDG
ANYDKIRTTHPSWAIYGSETASAINSRGIYNRTTGGAQSSDKQLTSYDNS
AVGWGAVASSAWYDVVQRDFVAGTYVWTGFDYLGEPTPWNGTGSGAVGSW
PSPKNSYFGIVDTAGFPKDTYYFYQSQWNDDVHTLHILPAWNENVVAKGS
GNNVPVVVYTDAAKVKLYFTPKGSTEKRLIGEKSFTKKTTAAGYTYQVYE
GADKDSTAHKNMYLTWNVPWAEGTISAEAYDENNRLIPEGSTEGNASVTT
TGKAAKLKADADRKTITADGKDLSYIEVDVTDANGHIVPDAANRVTFDVK
GAGKLVGVDNGSSPDHDSYQADNRKAFSGKVLAIVQSTKEAGEITVTAKA
DGLQSSTVKIATTAVPGTSTEKTVRSFYYSRNYYVKTGNKPILPSDVEVR
YSDGTSDRQNVTWDAVSDDQIAKAGSFSVAGTVAGQKISVRVTMIDEIGA
LLNYSASTPVGTPAVLPGSRPAVLPDGTVTSANFAVDWTKPADTVYNTAG
TVKVPGTATVFGKEFKVTATIRVQRSQVTIGSSVSGNALRLTQNIPADKQ
SDTLDAIKDGSTTVDANTGGGANPSAWTNWAYSKAGHNTAEITFEYATEQ
QLGQIVMYFFRDSNAVRFPDAGKTKIQISADGKNWTDLAATETIAAQESS
ERVKPYTYDFAPVGATFVKVTVTNADTTTPSGVVCAGLTEIELKTATSKF
VTNTSAALSSAEGEGNASVTVVITESEDHVTRKTF
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0
[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain7nit Chain E Residue 2304 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB7nit Multitasking in the gut: the X-ray structure of the multidomain BbgIII from Bifidobacterium bifidum offers possible explanations for its alternative functions.
Resolution2.89 Å
Binding residue
(original residue number in PDB)
A1070 D1073 S1075 T1203 E1204
Binding residue
(residue number reindexed from 1)
A1056 D1059 S1061 T1189 E1190
Annotation score4
Enzymatic activity
Enzyme Commision number 3.2.1.23: beta-galactosidase.
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:7nit, PDBe:7nit, PDBj:7nit
PDBsum7nit
PubMed34866612
UniProtA0A415C3Q2

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