ID   OPP27_HAEIF             Reviewed;         369 AA.
AC   Q48218;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 85.
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=AG30010;
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; X73389; CAA51806.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q48218; -.
DR   SMR; Q48218; -.
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..369
FT                   /note="Outer membrane protein P2"
FT                   /id="PRO_0000025264"
SQ   SEQUENCE   369 AA;  40013 MW;  0AC9C1BA28C14514 CRC64;
     MKKTLAALIV GAFAASAANA AVVYNNEGTN VELGGRLSII AEQSNSTIKD QKQQHGALRN
     QSSRFHIKAT HNFGDGFYAQ GYLETRLVSA QSGTESDNFG HIITKYAYVT LGNKALGEVK
     LGRAKTIADG ITSAEDKEYG VLNNSKYIPI DGNTVGYTFK GIDGLVLGAN YLLAQERYKY
     TTAAAAGAAG AAGAVAGEVY PQKISNGVQV GAKYDANNII AGIAYGRTNY REDIASPDLG
     KKQQVNGALS TLGYRFSDLG LLVSLDSGYA KTKNYKDKHE KSYFVSPGFQ YELMEDTNVY
     GNFKYERDSV DQGKKTREQA VLFGVDHKLH KQVLTYIEGA YARTRTTESK KGVKTEKEKS
     VGVGLRVYF