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A1A831

- BGAL_ECOK1

UniProt

A1A831 - BGAL_ECOK1

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Protein

Beta-galactosidase

Gene
lacZ, Ecok1_03270, APECO1_1649
Organism
Escherichia coli O1:K1 / APEC
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

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:Ecok1_03270
ORF Names:APECO1_1649
OrganismiEscherichia coli O1:K1 / APEC
Taxonomic identifieri405955 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia
ProteomesiUP000008216: 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 annotationPRO_0000366995Add
BLAST

Interactioni

Subunit structurei

Homotetramer By similarity.UniRule annotation

Protein-protein interaction databases

STRINGi405955.APECO1_1649.

Structurei

3D structure databases

ProteinModelPortaliA1A831.
SMRiA1A831. 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.

A1A831-1 [UniParc]FASTAAdd to Basket

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MTMITDSLAV VLQRRDWENP GVTQLNRLAA HPPFASWRNS EEARTDRPSQ     50
QLRSLNGEWR FAWFPAPEAV PESWLECDLP DADTVVVPSN WQMHGYDAPI 100
YTNVTYPITV NPPFVPAENP TGCYSLTFNI DESWLQEGQT RIIFDGVNSA 150
FHLWCNGRWV GYGQDSRLPS EFDLSAFLHA GENRLAVMVL RWSDGSYLED 200
QDMWRMSGIF RDVSLLHKPT TQISDFQVTT RFNDDFSRAV LEAEVQMYGE 250
LRDELRVTVS LWQGETQVAS GTAPFGGEII DERGGYADRV TLRLNVENPE 300
LWSAEIPNLY RAVVELHTAD GTLIEAEACD VGFREVRIEN GLLLLNGKPL 350
LIRGVNRHEH HPLHGQVMDE QTMVQDILLM KQNNFNAVRC SHYPNHPLWY 400
TLCDRYGLYV VDEANIETHG MVPMNRLTDD PRWLPAMSER VTRMVQRDRN 450
HPSVIIWSLG NESGHGANHD ALYRWIKSVD PSRPVQYEGG GADTTATDII 500
CPMYARVDED QPFPAVPKWS IKKWLSLPGE MRPLILCEYA HAMGNSLGGF 550
AKYWQAFRQY PRLQGGFVWD WVDQSLIKYD ENGNPWSAYG GDFGDTPNDR 600
QFCMNGLVFA DRTPHPALTE AKHQQQFFQF RLSGRTIEVT SEYLFRHSDN 650
EFLHWMVALD GKPLASGEVP LDVGPQGKQL IELPELPQPE SAGQLWLTVR 700
VVQPNATAWS EAGHISAWQQ WRLAENLSVT LPSASHAIPQ LTTSGTDFCI 750
ELGNKRWQFN RQSGFLSQMW IGDEKQLLTP LRDQFTRAPL DNDIGVSEAT 800
RIDPNAWVER WKAAGHYQAE AALLQCTADT LADAVLITTA HAWQHQGKTL 850
FISRKTYRID GHGEMVINVD VAVASDTPHP ARIGLTCQLA QVSERVNWLG 900
LGPQENYPDR LTAACFDRWD LPLSDMYTPY VFPSENGLRC GTRELNYGPH 950
LWRGDFQFNI SRYSQQQLME TSHRHLLHAE EGTWLNIDGF HMGIGGDDSW 1000
SPSVSAEFQL SAGRYHYQLV WCQK 1024
Length:1,024
Mass (Da):116,488
Last modified:January 23, 2007 - v1
Checksum:iBFDCFEAD47258106
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000468 Genomic DNA. Translation: ABI99820.1.
RefSeqiWP_000177871.1. NC_008563.1.
YP_851535.1. NC_008563.1.

Genome annotation databases

EnsemblBacteriaiABI99820; ABI99820; APECO1_1649.
GeneIDi4494457.
KEGGiecv:APECO1_1649.
PATRICi18212098. VBIEscCol127180_0353.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000468 Genomic DNA. Translation: ABI99820.1 .
RefSeqi WP_000177871.1. NC_008563.1.
YP_851535.1. NC_008563.1.

3D structure databases

ProteinModelPortali A1A831.
SMRi A1A831. Positions 14-1024.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 405955.APECO1_1649.

Protein family/group databases

CAZyi GH2. Glycoside Hydrolase Family 2.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABI99820 ; ABI99820 ; APECO1_1649 .
GeneIDi 4494457.
KEGGi ecv:APECO1_1649.
PATRICi 18212098. VBIEscCol127180_0353.

Phylogenomic databases

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

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. "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7 shares strong similarities with human extraintestinal pathogenic E. coli genomes."
    Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J., Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.
    J. Bacteriol. 189:3228-3236(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Entry informationi

Entry nameiBGAL_ECOK1
AccessioniPrimary (citable) accession number: A1A831
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 24, 2009
Last sequence update: January 23, 2007
Last modified: September 3, 2014
This is version 54 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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