Skip Header

Contribute Send feedback
Read comments (?) or add your own

A6TI29 (BGAL2_KLEP7) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 31. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Beta-galactosidase 2
Short name=Beta-gal 2
EC=3.2.1.23
Alternative name(s):
Lactase 2
Gene names
Name:lacZ2
Ordered Locus Names:KPN78578_47890
ORF Names:KPN_pKPN3p05871
Encoded onPlasmid pKPN3
OrganismKlebsiella pneumoniae subsp. pneumoniae (strain ATCC 700721 / MGH 78578) [Complete proteome] [HAMAP]
Taxonomic identifier272620 [NCBI]
Taxonomic lineageBacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Klebsiella

Protein attributes

Sequence length1024 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Catalytic activity

Hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides. HAMAP MF_01687

Cofactor

Binds 2 magnesium ions per monomer By similarity. HAMAP MF_01687

Binds 1 sodium ion per monomer By similarity. HAMAP MF_01687

Subunit structure

Homotetramer By similarity. HAMAP MF_01687

Sequence similarities

Belongs to the glycosyl hydrolase 2 family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 10241024Beta-galactosidase 2 HAMAP MF_01687
PRO_0000367002

Regions

Region538 – 5414Substrate binding By similarity

Sites

Active site4621Proton donor By similarity
Active site5381Nucleophile By similarity
Metal binding2021Sodium By similarity
Metal binding4171Magnesium 1 By similarity
Metal binding4191Magnesium 1 By similarity
Metal binding4621Magnesium 1 By similarity
Metal binding5981Magnesium 2 By similarity
Metal binding6021Sodium; via carbonyl oxygen By similarity
Metal binding6051Sodium By similarity
Binding site1031Substrate By similarity
Binding site2021Substrate By similarity
Binding site4621Substrate By similarity
Binding site6051Substrate By similarity
Binding site10001Substrate By similarity
Site3581Transition state stabilizer By similarity
Site3921Transition state stabilizer By similarity

Sequences

Sequence LengthMass (Da)Tools
A6TI29 [UniParc].

Last modified August 21, 2007. Version 1.
Checksum: 2D5341B296AD1D0F

FASTA1,024116,321
        10         20         30         40         50         60 
MTMITDSLAV VLQRRDWENP GVTQLNRLAA HPPFASWRNS EEARTDRPSQ ESRSLNGEWR 

        70         80         90        100        110        120 
FAWFPAPEAV PESWLERDLP DADTVIVPSN WQMHGYDAPI YTNVTYPIAV NPPYVPTENP 

       130        140        150        160        170        180 
TGCYSLTFNI DESWLQEGQT RIIFDGVNSA FHLWCNGRWV GYGQDSRLPS EFDLSAFLHA 

       190        200        210        220        230        240 
GENRLAVMVL RWSDGSYLED QDMWRMSGIF RDVSLLHKPS TQISDFHVAT HFNDDFSRAV 

       250        260        270        280        290        300 
LEADVQMYGE LRDELRVTVS LWQGETQVAS GTAPFGGEII DERGGYADHV TLRLNVENPK 

       310        320        330        340        350        360 
LWSAEIPNLY RAVVELHTAD GTLIEAEACD VGFREVRIEN GLLLLNGKPL LIRGVNRHEH 

       370        380        390        400        410        420 
HPLHGQVMDE QTMVQDILLM KQNNFNAVRC SHYPNHPLWY TLCDHYGLYV VDEANIETHG 

       430        440        450        460        470        480 
MVPMNRLTDD PRWLPAMSER VTRMVQRDRN HPSVIIWSLG NESGHGANHD ALYRWIKSVD 

       490        500        510        520        530        540 
PSRPVQYEGG GADTFATDII CPMYARVDED QPFPAVPKWS IKKWLSLPGE TRPLILCEYA 

       550        560        570        580        590        600 
HAMGNSLGGF AKYWQAFRQY PRLQGGFVWD WVDQSLIKYD ENGNPWSAYG GDFGDTPNDR 

       610        620        630        640        650        660 
QFCMNGLVFA DRTPHPALTE AKHQQQFFQF SLSGRTIEVT SEYLFRHSDN ELLHWMVALD 

       670        680        690        700        710        720 
GKPLASGEVP LDVAPQGKQL IELPGLPQPK SAGQLWLTVH VVQPNATTWS AAGHISAWQQ 

       730        740        750        760        770        780 
WRLAENLSVT LPSAPHAIPQ LTTSETDFCI ELDNKRWQFN RQSGFLSQMW IGDKKQLLTP 

       790        800        810        820        830        840 
LRDQFTRAPL DNDIGVSEAT RIDPNAWVER WKAAGHYQAE AALLQCTADT LADAVLITTV 

       850        860        870        880        890        900 
HAWQHQGKTL FISRKTYRID GSGQMAITVD VEVASNTPHP ARIGLTCQLA QVAERVNWLG 

       910        920        930        940        950        960 
LGPQENYPDR LTAACFDRWD LPLSDMYTPY VFPSENGLRC GTRELNYGPH QWRGDFQFNI 

       970        980        990       1000       1010       1020 
SRYSQQQLME TSHRHLLHAE EGTWLNIDGF HMGIGGDDSW SPSVSAEFQL SAGSYHYQLL 


WCQK

« Hide

References

[1]The Klebsiella pneumonia Genome Sequencing Project
McClelland M., Sanderson E.K., Spieth J., Clifton W.S., Latreille P., Sabo A., Pepin K., Bhonagiri V., Porwollik S., Ali J., Wilson R.K.
Submitted (SEP-2006) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 700721 / MGH 78578.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		CP000648 Genomic DNA. Translation: ABR80250.1.
RefSeqYP_001338480.1. NC_009649.1.

3D structure databases

ProteinModelPortalA6TI29.
SMRA6TI29. Positions 4-1024.
ModBaseSearch...

Protein-protein interaction databases

STRINGA6TI29.

Protein family/group databases

CAZyGH2. Glycoside Hydrolase Family 2.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID5343094.
GenomeReviewsGene locus KPN78578_47890 in contig CP000648_GR.
KEGGkpn:KPN_pKPN3p05871.
PATRIC20464215. VBIKlePne13394_4909.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG3250.
HOGENOMHBG670643.
OMADFHVATH.
ProtClustDBPRK09525.

Family and domain databases

HAMAPMF_01687. Beta_gal.
[Tree]
InterProIPR004199. B-gal_small/dom_5.
IPR008979. Galactose-bd-like.
IPR011013. Glyco_hydro-type_carb-bd.
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_subgr_catalytic.
IPR017853. Glycoside_hydrolase_SF.
[Graphical view]
Gene3DG3DSA:2.60.40.320. Glyco_hydro_2/20_Ig-like. 2 hits.
G3DSA:2.70.98.10. Glyco_hydro_42_D5. 1 hit.
G3DSA:3.20.20.80. Glyco_hydro_cat. 1 hit.
KOK01190.
PfamPF02929. 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]
PRINTSPR00132. GLHYDRLASE2.
SMARTSM01038. Bgal_small_N. 1 hit.
[Graphical view]
SUPFAMSSF49785. Gal_bind_like. 1 hit.
SSF74650. Gal_mut_like. 1 hit.
SSF49303. Glyco_hydro_2Ig. 2 hits.
SSF51445. Glyco_hydro_cat. 1 hit.
PROSITEPS00719. GLYCOSYL_HYDROL_F2_1. 1 hit.
PS00608. GLYCOSYL_HYDROL_F2_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameBGAL2_KLEP7
AccessionPrimary (citable) accession number: A6TI29
Entry history
Integrated into UniProtKB/Swiss-Prot: March 24, 2009
Last sequence update: August 21, 2007
Last modified: January 25, 2012
This is version 31 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

Glycosyl hydrolases

Classification of glycosyl hydrolase families and list of entries

SIMILARITY comments

Index of protein domains and families

to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·Documents