Q9F4C8 (Q9F4C8_BIFLI) Unreviewed, UniProtKB/TrEMBL

Names and origin

Protein names	Recommended name: Beta-galactosidase PIRNR PIRNR001084 Short name=Beta-gal PIRNR PIRNR001084 EC=3.2.1.23 PIRNR PIRNR001084
Organism	Bifidobacterium longum subsp. infantis EMBL CAC14567.1
Taxonomic identifier	1682 [NCBI]
Taxonomic lineage	Bacteria › Actinobacteria › Actinobacteridae › Bifidobacteriales › Bifidobacteriaceae › Bifidobacterium

Protein attributes

Sequence length	690 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides. PIRNR PIRNR001084
Sequence similarities	Belongs to the glycosyl hydrolase 42 family. PIRNR PIRNR001084

Ontologies

Keywords
Molecular function	Glycosidase PIRNR PIRNR001084 Hydrolase
Gene Ontology (GO)
Biological process	carbohydrate metabolic process Inferred from electronic annotation. Source: InterPro
Cellular component	beta-galactosidase complex Inferred from electronic annotation. Source: InterPro
Molecular function	beta-galactosidase activity Inferred from electronic annotation. Source: EC cation binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Sites
	Active site	161	1	Proton donor By similarity PIRSR PIRSR001084-1
	Active site	320	1	Nucleophile By similarity PIRSR PIRSR001084-1
	Binding site	122	1	Substrate By similarity PIRSR PIRSR001084-2
	Binding site	160	1	Substrate By similarity PIRSR PIRSR001084-2
	Binding site	328	1	Substrate By similarity PIRSR PIRSR001084-2

Sequences

	Sequence		Length	Mass (Da)
	Q9F4C8 [UniParc]. Last modified March 1, 2001. Version 1. Checksum: C7E0497233E0EC29	FASTA	690	77,239
	10 20 30 40 50 60 MAQRRAHRWP KPLSGRPDRI WYGGDYNPDQ WPEDVWDEDI RLMRQAGVNL VSVGIFSWAR 70 80 90 100 110 120 IEPEEGVYDF GWLDRIIDKL GKAGIAVDLA SATASPPMWL TQAHPEVLWK DERGDVCQPG 130 140 150 160 170 180 ARQHWRPTSP VFREYALRLC RAMAEHYRDN PYVVAWHVSN EYGCHNRFDY SEDAERAFRQ 190 200 210 220 230 240 WCEERYGTIE KVNDAWGTAF WAHGMNDFSE IIPPRFIGEG NFMNPGKLLD FKRFSSDALK 250 260 270 280 290 300 AFYMAEPDTL AEITPDLPLT TNFMVSASGT GLDYDDWGGE VDFVSNDHYF TPGEAHLDEL 310 320 330 340 350 360 AFSASLVDGI SRKNPWFLME HSTSAVNWRP INYRKEPGQL VRDSLAHVAM GSDAVCYFQW 370 380 390 400 410 420 RQSKAGAEKF HSAMLPHAGE DSQVFRDVCE LGSGLNALAD NGLLGTRLAK SRVAVVYDYE 430 440 450 460 470 480 SEWASEHTAT PTQKVRHVDE PLAWFRALAD NGVTADVVPV RSNWDEYEVA VLPSVYILSE 490 500 510 520 530 540 ETTRRVREYV AGGGRLIVTY YTGLSDEKDH IWLGGYPGSI RDVVGVRVEE FAPLGDDWPG 550 560 570 580 590 600 IPEYLDLDNG TTAHDFADVI TSVGEHATVI ASFKDDPWTG MDGRPAIVGN AYGEGRTVYV 610 620 630 640 650 660 GARLGRDGIA RSLPMMFSSL GVEVPEASDP GLLRVERVDE ASGARFVFLF NRTHAVIEAM 670 680 690 QDGRPVIASL ADVGDGKVTV RPNGVIVLRK

References

[1]	Joergensen F., Smith B., Poulsen U., Stougaard P. Submitted (MAR-1998) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AJ224436 Genomic DNA. Translation: CAC14567.1.
3D structure databases
HSSP	HSSP built from PDB template 1KWG based on UniProtKB O69315.
ProteinModelPortal	Q9F4C8.
ModBase	Search...
Protein family/group databases
CAZy	GH42. Glycoside Hydrolase Family 42.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
InterPro	IPR013739. Beta_galactosidase_C. IPR013738. Beta_galactosidase_Trimer. IPR003476. Glyco_hydro_42. IPR013529. Glyco_hydro_42_N. IPR013781. Glyco_hydro_subgr_catalytic. IPR017853. Glycoside_hydrolase_SF. [Graphical view]
Gene3D	G3DSA:3.20.20.80. Glyco_hydro_cat. 1 hit.
Pfam	PF02449. Glyco_hydro_42. 1 hit. PF08533. Glyco_hydro_42C. 1 hit. PF08532. Glyco_hydro_42M. 1 hit. [Graphical view]
PIRSF	PIRSF001084. B-galactosidase. 1 hit.
SUPFAM	SSF51445. Glyco_hydro_cat. 1 hit.
ProtoNet	Search...

Entry information

Entry name

Q9F4C8_BIFLI

Accession

Primary (citable) accession number: Q9F4C8

Entry history

Integrated into UniProtKB/TrEMBL:	March 1, 2001
Last sequence update:	March 1, 2001
Last modified:	January 25, 2012
This is version 39 of the entry and version 1 of the sequence. [Complete history]

Entry status

Unreviewed (UniProtKB/TrEMBL)