ID   OPP26_HAEIF             Reviewed;         360 AA.
AC   Q48216;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 80.
DE   RecName: Full=Outer membrane protein P2;
DE            Short=OMP P2;
DE   Flags: Precursor;
GN   Name=ompP2;
OS   Haemophilus influenzae.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=727;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=A1/A850043;
RX   PubMed=8412618; DOI=10.1006/mpat.1993.1044;
RA   Duim B., Dankert J., Jansen H.M., van Alphen L.;
RT   "Genetic analysis of the diversity in outer membrane protein P2 of non-
RT   encapsulated Haemophilus influenzae.";
RL   Microb. Pathog. 14:451-462(1993).
CC   -!- FUNCTION: Forms pores that allow passive diffusion of small molecules
CC       across the outer membrane. {ECO:0000250}.
CC   -!- SUBUNIT: Homotrimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell outer membrane; Multi-pass membrane protein.
CC   -!- SIMILARITY: Belongs to the Gram-negative porin family. {ECO:0000305}.
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DR   EMBL; X73387; CAA51804.1; -; Genomic_DNA.
DR   RefSeq; WP_042602103.1; NZ_NDZJ01000017.1.
DR   AlphaFoldDB; Q48216; -.
DR   SMR; Q48216; -.
DR   GO; GO:0009279; C:cell outer membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0046930; C:pore complex; IEA:UniProtKB-KW.
DR   GO; GO:0015288; F:porin activity; IEA:UniProtKB-KW.
DR   GO; GO:0006811; P:ion transport; IEA:UniProtKB-KW.
DR   CDD; cd00342; gram_neg_porins; 1.
DR   Gene3D; 2.40.160.10; -; 1.
DR   InterPro; IPR033900; Gram_neg_porin_domain.
DR   InterPro; IPR023614; Porin_dom_sf.
DR   Pfam; PF13609; Porin_4; 1.
PE   3: Inferred from homology;
KW   Cell outer membrane; Ion transport; Membrane; Porin; Signal; Transmembrane;
KW   Transmembrane beta strand; Transport.
FT   SIGNAL          1..20
FT   CHAIN           21..360
FT                   /note="Outer membrane protein P2"
FT                   /id="PRO_0000025263"
SQ   SEQUENCE   360 AA;  39618 MW;  24BF055653F83D81 CRC64;
     MKKTLAALIV GAFAASAANA AVVYNNEGTN VELGGRLSVI AEQSNSTRKD QKQQHGELRN
     AGSRFHIKAT HNFGDGFYAQ GYLETRLVSD YQSSSDNFGN IITKYAYVTL GNKGFGEVKL
     GRAKTISDGI TSAEDKEYGV LENKEYIPKD GNSVGYTFKG IDGLVLGANY LLAQKREAYK
     TATATPGEVI AQVISNGVQV GAKYDANNII AGIAYGRTNY REDLATQDKS GKKQQVNGAL
     STLGYRFSDL GLLVSLDSGY AKTKNYKDKH EKRYFVSPGF QYELMEDTNV YGNFKYERNS
     VDQGKKAREH AVLFGVDHKL HKQVLTYIEG AYARTRTNDK GKTEKTEKEK SVGVGLRVYF