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P27951 (BAG_STRAG) Reviewed, UniProtKB/Swiss-Prot

Last modified July 9, 2014. Version 88. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | 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

Names and origin

Protein namesRecommended name:
IgA FC receptor
Alternative name(s):
Beta antigen
Short name=B antigen
Gene names
Name:bag
OrganismStreptococcus agalactiae
Taxonomic identifier1311 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus

Protein attributes

Sequence length1164 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Subcellular location

Secretedcell wall; Peptidoglycan-anchor Potential.

Sequence similarities

Contains 1 Ig-like (immunoglobulin-like) domain.

Ontologies

Keywords
   Cellular componentCell wall
Secreted
   DomainImmunoglobulin domain
Signal
   Molecular functionReceptor
   PTMPeptidoglycan-anchor
   Technical termDirect protein sequencing
Gene Ontology (GO)
   Cellular_componentcell wall

Inferred from electronic annotation. Source: UniProtKB-SubCell

extracellular region

Inferred from electronic annotation. Source: UniProtKB-KW

membrane

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Signal peptide1 – 3737 Ref.1
Chain38 – 11351098IgA FC receptor
PRO_0000005595
Propeptide1136 – 116429Removed by sortase Potential
PRO_0000005596

Regions

Domain434 – 534101Ig-like
Region199 – 438240IgA-binding Potential
Region439 – 826388IgA-binding Potential
Motif1132 – 11365LPXTG sorting signal Potential
Compositional bias827 – 944118Pro-rich

Amino acid modifications

Modified residue11351Pentaglycyl murein peptidoglycan amidated threonine Potential

Sequences

Sequence LengthMass (Da)Tools
P27951 [UniParc].

Last modified August 1, 1992. Version 1.
Checksum: 65DE94AF720A5474

FASTA1,164131,052
        10         20         30         40         50         60 
MFKSNYERKM RYSIRKFSVG VASVAVASLF MGSVAHASEL VKDDSVKTTE VAAKPYPSMA 

        70         80         90        100        110        120 
QTDQGNNSSS SELETTKMEI PTTDIKKAVE PVEKTAGETS ATDTGKREKQ LQQWKNNLKN 

       130        140        150        160        170        180 
DVDNTILSHE QKNEFKTKID ETNDSDALLE LENQFNETNR LLHIKQHEEV EKDKKAKQQK 

       190        200        210        220        230        240 
TLKQSDTKVD LSNIDKELNH QKSQVEKMAE QKGITNEDKD SMLKKIEDIR KQAQQADKKE 

       250        260        270        280        290        300 
DAEVKVREEL GKLFSSTKAG LDQEIQEHVK KETSSEENTQ KVDEHYANSL QNLAQKSLEE 

       310        320        330        340        350        360 
LDKATTNEQA TQVKNQFLEN AQKLKEIQPL IKETNVKLYK AMSESLEQVE KELKHNSEAN 

       370        380        390        400        410        420 
LEDLVAKSKE IVREYEGKLN QSKNLPELKQ LEEEAHSKLK QVVEDFRKKF KTSEQVTPKK 

       430        440        450        460        470        480 
RVKRDLAANE NNQQKIELTV SPENITVYEG EDVKFTVTAK SDSKTTLDFS DLLTKYNPSV 

       490        500        510        520        530        540 
SDRISTNYKT NTDNHKIAEI TIKNLKLNES QTVTLKAKDD SGNVVEKTFT ITVQKKEEKQ 

       550        560        570        580        590        600 
VPKTPEQKDS KTEEKVPQEP KSNDKNQLQE LIKSAQQELE KLEKAIKELM EQPEIPSNPE 

       610        620        630        640        650        660 
YGIQKSIWES QKEPIQEAIT SFKKIIGDSS SKYYTEHYFN KYKSDFMNYQ LHAQMEMLTR 

       670        680        690        700        710        720 
KVVQYMNKYP DNAEIKKIFE SDMKRTKEDN YGSLENDALK GYFEKYFLTP FNKIKQIVDD 

       730        740        750        760        770        780 
LDKKVEQDQP APIPENSEMD QAKEKAKIAV SKYMSKVLDG VHQHLQKKNN SKIVDLFKEL 

       790        800        810        820        830        840 
EAIKQQTIFD IDNAKTEVEI DNLVHDAFSK MNATVAKFQK GLETNTPETP DTPKIPELPQ 

       850        860        870        880        890        900 
APDTPQAPDT PHVPESPKAP EAPRVPESPK TPEAPHVPES PKAPEAPRVP ESPKTPEAPH 

       910        920        930        940        950        960 
VPESPKTPEA PKIPEPPKTP DVPKLPDVPK LPDVPKLPDA PKLPDGLNKV GQAVFTSTDG 

       970        980        990       1000       1010       1020 
NTKVTVVFDK PTDADKLHLK EVTTKELADK IAHKTGGGTV RVFDLSLSKG GKETHVNGER 

      1030       1040       1050       1060       1070       1080 
TVRLALGQTG SDVHVYHVKE NGDLERIPSK VENGQVVFKT NHFSLFAIKT LSKDQNVTPP 

      1090       1100       1110       1120       1130       1140 
KQTKPSTQGS QVEIAESQTG KFQSKAANHK ALATGNETVA KGNPTSTTEK KLPYTGVASN 

      1150       1160 
LVLEIMGLLG LIGTSFIAMK RRKS 

« Hide

References

[1]"The IgA-binding beta antigen of the c protein complex of Group B streptococci: sequence determination of its gene and detection of two binding regions."
Jerlstroem P.G., Chhatwal G.S., Timmis K.N.
Mol. Microbiol. 5:843-849(1991) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 38-48.
Strain: LA239.
[2]"Members of the immunoglobulin superfamily in bacteria."
Bateman A., Eddy S.R., Chothia C.
Protein Sci. 5:1939-1942(1996) [PubMed] [Europe PMC] [Abstract]
Cited for: IDENTIFICATION OF IG-LIKE DOMAIN.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
X59771 Genomic DNA. Translation: CAA42442.1.
PIRFCSOAG. S15330.

3D structure databases

ProteinModelPortalP27951.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Phylogenomic databases

eggNOGCOG5523.

Family and domain databases

Gene3D2.60.40.10. 1 hit.
InterProIPR005877. Gpos_YSIRK.
IPR019948. Gram-positive_anchor.
IPR013783. Ig-like_fold.
IPR003599. Ig_sub.
IPR019931. LPXTG_anchor.
IPR007756. RICH.
[Graphical view]
PfamPF00746. Gram_pos_anchor. 1 hit.
PF05062. RICH. 1 hit.
PF04650. YSIRK_signal. 1 hit.
[Graphical view]
ProDomPD008292. RICH. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SMARTSM00409. IG. 1 hit.
[Graphical view]
TIGRFAMsTIGR01167. LPXTG_anchor. 1 hit.
TIGR01168. YSIRK_signal. 1 hit.
PROSITEPS50847. GRAM_POS_ANCHORING. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameBAG_STRAG
AccessionPrimary (citable) accession number: P27951
Entry history
Integrated into UniProtKB/Swiss-Prot: August 1, 1992
Last sequence update: August 1, 1992
Last modified: July 9, 2014
This is version 88 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families