ID   OPP29_HAEIF             Reviewed;         361 AA.
AC   Q48217;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 82.
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=3185A;
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; X73388; CAA51805.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q48217; -.
DR   SMR; Q48217; -.
DR   TCDB; 1.B.1.3.2; the general bacterial porin (gbp) family.
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..361
FT                   /note="Outer membrane protein P2"
FT                   /id="PRO_0000025266"
SQ   SEQUENCE   361 AA;  39696 MW;  6B09B63FD67157D4 CRC64;
     MKKTLAALIV GAFAASAANA AVVYNNEGTN VELGGRLSVI AEQSNSTRKD QKQQHGELRN
     AGSHFHIKAT HNFGDGFYAQ GYLETRLVSD YQSSSDNFGN IITKYAYVTL GNKGFGEVKL
     GRAKTIADGI TSAEDKEYGV LENKEYIPKD GNSVGYTFKG IDGLVLGANY LLAQKREAYK
     TDAATPGEVI AQAISNGVQV GAKYDANNII AGIAYGRTNY REDLAELGNK SGKKQQVNGA
     LSTLGYRFSD LGLLVSLDSG YAKTKNYKDK HEKRYFVSPG FQYELMEDTN VYGNFKYERN
     SVDQGKKARE HAVLFGVDHK LHKQVLTYIE GAYARTRTND KDKTEKTEKE KSVGVGLRVY
     F