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Q8X685

- BGAL_ECO57

UniProt

Q8X685 - BGAL_ECO57

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Protein
Beta-galactosidase
Gene
lacZ, Z0440, ECs0397
Organism
Escherichia coli O157:H7
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Catalytic activityi

Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides.UniRule annotation

Cofactori

Binds 2 magnesium ions per monomer By similarity.UniRule annotation
Binds 1 sodium ion per monomer By similarity.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei103 – 1031Substrate By similarity
Metal bindingi202 – 2021Sodium By similarity
Binding sitei202 – 2021Substrate By similarity
Sitei358 – 3581Transition state stabilizer By similarity
Sitei392 – 3921Transition state stabilizer By similarity
Metal bindingi417 – 4171Magnesium 1 By similarity
Metal bindingi419 – 4191Magnesium 1 By similarity
Active sitei462 – 4621Proton donor By similarity
Metal bindingi462 – 4621Magnesium 1 By similarity
Binding sitei462 – 4621Substrate By similarity
Active sitei538 – 5381Nucleophile By similarity
Metal bindingi598 – 5981Magnesium 2 By similarity
Metal bindingi602 – 6021Sodium; via carbonyl oxygen By similarity
Metal bindingi605 – 6051Sodium By similarity
Binding sitei605 – 6051Substrate By similarity
Binding sitei1000 – 10001Substrate By similarity

GO - Molecular functioni

  1. beta-galactosidase activity Source: UniProtKB-EC
  2. carbohydrate binding Source: InterPro
  3. magnesium ion binding Source: UniProtKB-HAMAP

GO - Biological processi

  1. carbohydrate metabolic process Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Keywords - Ligandi

Magnesium, Metal-binding, Sodium

Enzyme and pathway databases

BioCyciECOL386585:GJFA-391-MONOMER.
ECOO157:LACZ-MONOMER.

Protein family/group databases

CAZyiGH2. Glycoside Hydrolase Family 2.

Names & Taxonomyi

Protein namesi
Recommended name:
Beta-galactosidase (EC:3.2.1.23)
Short name:
Beta-gal
Alternative name(s):
Lactase
Gene namesi
Name:lacZ
Ordered Locus Names:Z0440, ECs0397
OrganismiEscherichia coli O157:H7
Taxonomic identifieri83334 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000000558: Chromosome, UP000002519: Chromosome

Subcellular locationi

GO - Cellular componenti

  1. beta-galactosidase complex Source: InterPro
Complete GO annotation...

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 10241024Beta-galactosidaseUniRule annotation
PRO_0000366993Add
BLAST

Interactioni

Subunit structurei

Homotetramer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi155864.Z0440.

Structurei

3D structure databases

ProteinModelPortaliQ8X685.
SMRiQ8X685. Positions 14-1024.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni538 – 5414Substrate binding By similarity

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG3250.
HOGENOMiHOG000252443.
KOiK01190.
OMAiNPPFVPK.
OrthoDBiEOG6XWV0T.

Family and domain databases

Gene3Di2.60.120.260. 1 hit.
2.60.40.320. 2 hits.
2.70.98.10. 1 hit.
3.20.20.80. 1 hit.
HAMAPiMF_01687. Beta_gal.
InterProiIPR004199. B-gal_small/dom_5.
IPR011013. Gal_mutarotase_SF_dom.
IPR008979. Galactose-bd-like.
IPR014718. Glyco_hydro-type_carb-bd_sub.
IPR006101. Glyco_hydro_2.
IPR013812. Glyco_hydro_2/20_Ig-like.
IPR023232. Glyco_hydro_2_AS.
IPR023933. Glyco_hydro_2_beta_Galsidase.
IPR023230. Glyco_hydro_2_CS.
IPR006102. Glyco_hydro_2_Ig-like.
IPR006104. Glyco_hydro_2_N.
IPR006103. Glyco_hydro_2_TIM.
IPR013781. Glyco_hydro_catalytic_dom.
IPR017853. Glycoside_hydrolase_SF.
[Graphical view]
PfamiPF02929. Bgal_small_N. 1 hit.
PF00703. Glyco_hydro_2. 1 hit.
PF02836. Glyco_hydro_2_C. 1 hit.
PF02837. Glyco_hydro_2_N. 1 hit.
[Graphical view]
PRINTSiPR00132. GLHYDRLASE2.
SMARTiSM01038. Bgal_small_N. 1 hit.
[Graphical view]
SUPFAMiSSF49303. SSF49303. 2 hits.
SSF49785. SSF49785. 1 hit.
SSF51445. SSF51445. 1 hit.
SSF74650. SSF74650. 1 hit.
PROSITEiPS00719. GLYCOSYL_HYDROL_F2_1. 1 hit.
PS00608. GLYCOSYL_HYDROL_F2_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q8X685-1 [UniParc]FASTAAdd to Basket

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MTMITDSLAV VLQRRDWENP GVTQLNRLAA HPPFASWRNS EEARTNRPSQ     50
QLRSLNGEWQ FVWFPAPEAV PESWLECDLP DADTVVVPSN WQMHGYDAPI 100
YTNVTYPITV NPPFVPTENP TGCYSLTFNV DESWLQEGQT RIIFDGVNSA 150
FHLWCNGRWV GYGQDSRLLS EFDLSAFLRA GENRLAVMVL RWSDGSYLED 200
QDMWRMSGIF RDVSLLHKPT TQISDFHVAT LFNDDFSRAV LEAEVQMYGE 250
LRDELRVTVS LWQGETQVAS GTAPFGGEII DERGGYADRV TLGLNVENPK 300
LWSAEIPNIY RAVVELHTAD GTLIEAEACD VGFREVRIEN GLLLLNGKPL 350
LIRGVNRHEH HPLHGQVMDE QTMVQDILLM KQNNFNAVRC SHYPNHPLWY 400
TLCDRYGLYV VDEANIETHG MVPMNRLTDD PRWLPAMSER VTRMVQRDRN 450
HPSVIIWSLG NESGHGANHD ALYRWIKSVD PSRPVQYEGG GADTSATDII 500
CPMYARVDED QPFPAVPKWS IKKWLSLPGE MRPLILCEYA HAMGNSLGGF 550
AKYWQAFRQY PRLQGGFVWD LVDQSLIKYD ENGNPWSAYG GDFGDTPNDR 600
QFCMNGLVFA DRTPHPALTE AKHQQQFFQF RLSGRTIEVT SEYLFRHSDN 650
ELLHWTVALD GKPLASGEVP LDVAPQGKQV IELPELPRLE STGQLWLTVH 700
VVQPNATAWS EAGHISAWQQ WRLAENLSVT LPSAPHAIPQ LTTSETDFCI 750
ELDNKRWQFN RQSGFLSQMW IGDKKQLLTP LRDQFTRAPL DNDIGVSEAT 800
RIDPNAWVER WKAAGHYQAE AALLQCTADT LADAVLITTV HAWQHQGKTL 850
FISRKTYRID GSGQMAITVD VEVASDTPHP ARIGLTCQLA QVAERVNWLG 900
LGPQENYPDR LTAACFDRWD LPLSDMYTPY VFPSENGLRC GTRELNYGPH 950
QWRGDFQFNI SRYSQQQLME TSHRHLLHAE EGTWLNIDGF HMGIGGDDSW 1000
SPSVSAEFQL SAGRYHYQLV WCQK 1024
Length:1,024
Mass (Da):116,410
Last modified:March 1, 2002 - v1
Checksum:iB08BF1EBE7894FE3
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE005174 Genomic DNA. Translation: AAG54693.1.
BA000007 Genomic DNA. Translation: BAB33820.1.
PIRiA85529.
E90678.
RefSeqiNP_286085.1. NC_002655.2.
NP_308424.1. NC_002695.1.

Genome annotation databases

EnsemblBacteriaiAAG54693; AAG54693; Z0440.
BAB33820; BAB33820; BAB33820.
GeneIDi914499.
957271.
KEGGiece:Z0440.
ecs:ECs0397.
PATRICi18349741. VBIEscCol44059_0391.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE005174 Genomic DNA. Translation: AAG54693.1 .
BA000007 Genomic DNA. Translation: BAB33820.1 .
PIRi A85529.
E90678.
RefSeqi NP_286085.1. NC_002655.2.
NP_308424.1. NC_002695.1.

3D structure databases

ProteinModelPortali Q8X685.
SMRi Q8X685. Positions 14-1024.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 155864.Z0440.

Protein family/group databases

CAZyi GH2. Glycoside Hydrolase Family 2.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAG54693 ; AAG54693 ; Z0440 .
BAB33820 ; BAB33820 ; BAB33820 .
GeneIDi 914499.
957271.
KEGGi ece:Z0440.
ecs:ECs0397.
PATRICi 18349741. VBIEscCol44059_0391.

Phylogenomic databases

eggNOGi COG3250.
HOGENOMi HOG000252443.
KOi K01190.
OMAi NPPFVPK.
OrthoDBi EOG6XWV0T.

Enzyme and pathway databases

BioCyci ECOL386585:GJFA-391-MONOMER.
ECOO157:LACZ-MONOMER.

Family and domain databases

Gene3Di 2.60.120.260. 1 hit.
2.60.40.320. 2 hits.
2.70.98.10. 1 hit.
3.20.20.80. 1 hit.
HAMAPi MF_01687. Beta_gal.
InterProi IPR004199. B-gal_small/dom_5.
IPR011013. Gal_mutarotase_SF_dom.
IPR008979. Galactose-bd-like.
IPR014718. Glyco_hydro-type_carb-bd_sub.
IPR006101. Glyco_hydro_2.
IPR013812. Glyco_hydro_2/20_Ig-like.
IPR023232. Glyco_hydro_2_AS.
IPR023933. Glyco_hydro_2_beta_Galsidase.
IPR023230. Glyco_hydro_2_CS.
IPR006102. Glyco_hydro_2_Ig-like.
IPR006104. Glyco_hydro_2_N.
IPR006103. Glyco_hydro_2_TIM.
IPR013781. Glyco_hydro_catalytic_dom.
IPR017853. Glycoside_hydrolase_SF.
[Graphical view ]
Pfami PF02929. Bgal_small_N. 1 hit.
PF00703. Glyco_hydro_2. 1 hit.
PF02836. Glyco_hydro_2_C. 1 hit.
PF02837. Glyco_hydro_2_N. 1 hit.
[Graphical view ]
PRINTSi PR00132. GLHYDRLASE2.
SMARTi SM01038. Bgal_small_N. 1 hit.
[Graphical view ]
SUPFAMi SSF49303. SSF49303. 2 hits.
SSF49785. SSF49785. 1 hit.
SSF51445. SSF51445. 1 hit.
SSF74650. SSF74650. 1 hit.
PROSITEi PS00719. GLYCOSYL_HYDROL_F2_1. 1 hit.
PS00608. GLYCOSYL_HYDROL_F2_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: O157:H7 / EDL933 / ATCC 700927 / EHEC.
  2. "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and genomic comparison with a laboratory strain K-12."
    Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K., Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T., Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T.
    , Kuhara S., Shiba T., Hattori M., Shinagawa H.
    DNA Res. 8:11-22(2001) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: O157:H7 / Sakai / RIMD 0509952 / EHEC.

Entry informationi

Entry nameiBGAL_ECO57
AccessioniPrimary (citable) accession number: Q8X685
Secondary accession number(s): Q7AH58
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 24, 2009
Last sequence update: March 1, 2002
Last modified: May 14, 2014
This is version 89 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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