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ICAB_STAAS
ID   ICAB_STAAS              Reviewed;         290 AA.
AC   Q6G606;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 88.
DE   RecName: Full=Poly-beta-1,6-N-acetyl-D-glucosamine N-deacetylase;
DE            Short=PNAG N-deacetylase;
DE            Short=Poly-beta-1,6-GlcNAc N-deacetylase;
DE            EC=3.5.1.-;
DE   AltName: Full=Biofilm polysaccharide intercellular adhesin deacetylase;
DE            Short=Biofilm PIA deacetylase;
DE   AltName: Full=Intercellular adhesion protein B;
DE   Flags: Precursor;
GN   Name=icaB; OrderedLocusNames=SAS2554;
OS   Staphylococcus aureus (strain MSSA476).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=282459;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MSSA476;
RX   PubMed=15213324; DOI=10.1073/pnas.0402521101;
RA   Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J.,
RA   Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A.,
RA   Bason N., Bentley S.D., Chillingworth C., Chillingworth T., Churcher C.,
RA   Clark L., Corton C., Cronin A., Doggett J., Dowd L., Feltwell T., Hance Z.,
RA   Harris B., Hauser H., Holroyd S., Jagels K., James K.D., Lennard N.,
RA   Line A., Mayes R., Moule S., Mungall K., Ormond D., Quail M.A.,
RA   Rabbinowitsch E., Rutherford K.M., Sanders M., Sharp S., Simmonds M.,
RA   Stevens K., Whitehead S., Barrell B.G., Spratt B.G., Parkhill J.;
RT   "Complete genomes of two clinical Staphylococcus aureus strains: evidence
RT   for the rapid evolution of virulence and drug resistance.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(2004).
CC   -!- FUNCTION: Catalyzes the N-deacetylation of poly-beta-1,6-N-acetyl-D-
CC       glucosamine (PNAG, also referred to as PIA), a biofilm adhesin
CC       polysaccharide. N-deacetylation is crucial for attachment of the
CC       polysaccharide to the bacterial cell surface; it leads to the
CC       introduction of positive charges in the otherwise neutral PIA polymer,
CC       allowing electrostatic interactions (By similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Secreted, cell wall. Note=Attached to the cell
CC       surface. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the polysaccharide deacetylase family.
CC       {ECO:0000305}.
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DR   EMBL; BX571857; CAG44371.1; -; Genomic_DNA.
DR   RefSeq; WP_000877317.1; NC_002953.3.
DR   AlphaFoldDB; Q6G606; -.
DR   SMR; Q6G606; -.
DR   KEGG; sas:SAS2554; -.
DR   HOGENOM; CLU_030024_3_2_9; -.
DR   OMA; TYWHPNF; -.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-KW.
DR   GO; GO:0016811; F:hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides; IEA:InterPro.
DR   GO; GO:0005975; P:carbohydrate metabolic process; IEA:InterPro.
DR   InterPro; IPR011330; Glyco_hydro/deAcase_b/a-brl.
DR   InterPro; IPR002509; NODB_dom.
DR   InterPro; IPR023872; PNAG_deacetylase.
DR   Pfam; PF01522; Polysacc_deac_1; 1.
DR   SUPFAM; SSF88713; SSF88713; 1.
DR   TIGRFAMs; TIGR03933; PIA_icaB; 1.
DR   PROSITE; PS51677; NODB; 1.
PE   3: Inferred from homology;
KW   Cell wall; Hydrolase; Secreted; Signal.
FT   SIGNAL          1..28
FT                   /evidence="ECO:0000255"
FT   CHAIN           29..290
FT                   /note="Poly-beta-1,6-N-acetyl-D-glucosamine N-deacetylase"
FT                   /id="PRO_0000024838"
FT   DOMAIN          114..290
FT                   /note="NodB homology"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01014"
SQ   SEQUENCE   290 AA;  34105 MW;  76D1B0DA47C726A8 CRC64;
     MKYRKFIILV LSILIILPVS TLDGHHIANA DDDSPKKLKY KENSALALNY HRVRKANFLN
     NFIYFFSSSK EIKNYSVSQS QFESQIKWLK SHDAKFLTLK EFLYYKKKGK FPKRSVWINF
     DDMDETIYEN AYPILKKYKI PATGFIITGH VGEENFHNLD MISKKELKEM YKTGLWEFET
     HTHDLHNLSK NNKSKLMKAS EATIIKDLNK SEKYLTKNFK KSQKTIAYPY GLMNDDKLPV
     IKKAGLKYGF SLEEKAVTPN SNDYYIPRIL ISDDAFEHLI KRWDGFHEKD
 
 
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