ID   HPAA4_HELPX             Reviewed;         125 AA.
AC   Q48244;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=Neuraminyllactose-binding hemagglutinin;
DE   AltName: Full=Adhesin A;
DE   AltName: Full=Flagellar sheath adhesin;
DE   AltName: Full=N-acetylneuraminyllactose-binding fibrillar hemagglutinin receptor-binding subunit;
DE            Short=NLBH;
DE   Flags: Fragment;
GN   Name=hpaA; Synonyms=hnaA;
OS   Helicobacter pylori (Campylobacter pylori).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=210;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Nemestrinae;
RX   PubMed=7557486; DOI=10.1016/0378-1119(95)00404-t;
RA   Evans D.G., Lampert H.C., Nakano H., Eaton K.A., Burnens A.P.,
RA   Bronsdon M.A., Evans D.J. Jr.;
RT   "Genetic evidence for host specificity in the adhesin-encoding genes hxaA
RT   of Helicobacter acinonyx, hnaA of H. nemestrinae and hpaA of H. pylori.";
RL   Gene 163:97-102(1995).
CC   -!- SUBCELLULAR LOCATION: Cell outer membrane {ECO:0000305}; Lipid-anchor
CC       {ECO:0000305}.
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DR   EMBL; U27127; AAA85564.1; -; Genomic_DNA.
DR   PIR; PC4089; PC4089.
DR   AlphaFoldDB; Q48244; -.
DR   SMR; Q48244; -.
DR   GO; GO:0009279; C:cell outer membrane; IEA:UniProtKB-SubCell.
DR   Gene3D; 3.30.160.180; -; 1.
DR   InterPro; IPR007876; NeuraminylLac-bd_hemagglutn.
DR   InterPro; IPR038531; NeuraminylLac-bd_hemagglutn_sf.
DR   Pfam; PF05211; NLBH; 1.
PE   4: Predicted;
KW   Cell outer membrane; Lipoprotein; Membrane.
FT   CHAIN           <1..>125
FT                   /note="Neuraminyllactose-binding hemagglutinin"
FT                   /id="PRO_0000096163"
FT   REGION          92..97
FT                   /note="N-acetyl-neuraminyl-alpha(2,3)-lactose binding
FT                   motif"
FT                   /evidence="ECO:0000255"
FT   NON_TER         1
FT   NON_TER         125
SQ   SEQUENCE   125 AA;  14157 MW;  0EA29519F2B311AF CRC64;
     NYHPASEKVQ ALDEKILLLR PAFQYRDNIA KEYENKFKNQ TTLKVEQILQ NQGYKVINVD
     SSDKDDLSFA QKKEGYLAVA MNGEIVLRPD PKRTIQKKSE PGLLFSTGLD KMEGVLIPAG
     FVKVT