ID   OMPB_NEILA              Reviewed;         337 AA.
AC   P30691;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1993, sequence version 1.
DT   25-MAY-2022, entry version 98.
DE   RecName: Full=Major outer membrane protein P.IB;
DE            Short=PIB;
DE            Short=Protein IB;
DE   AltName: Full=Porin;
DE   Flags: Precursor;
GN   Name=por;
OS   Neisseria lactamica.
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC   Neisseria.
OX   NCBI_TaxID=486;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 23970 / DSM 4691 / CCUG 5853 / CIP 72.17 / NCTC 10617 / NCDC
RC   A7515;
RX   PubMed=1330818; DOI=10.1016/0378-1097(92)90644-4;
RA   Ward M.J., Lambden P.R., Heckels J.E.;
RT   "Sequence analysis and relationships between meningococcal class 3 serotype
RT   proteins and other porins from pathogenic and non-pathogenic Neisseria
RT   species.";
RL   FEMS Microbiol. Lett. 73:283-289(1992).
CC   -!- FUNCTION: Serves as a slightly cation selective porin.
CC   -!- SUBUNIT: Homotrimer.
CC   -!- SUBCELLULAR LOCATION: Cell outer membrane; Multi-pass membrane protein.
CC   -!- SIMILARITY: Belongs to the Gram-negative porin family. {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; X65533; CAA46503.1; -; Genomic_DNA.
DR   PIR; S21405; S21405.
DR   RefSeq; WP_036470733.1; NZ_LR590477.1.
DR   AlphaFoldDB; P30691; -.
DR   SMR; P30691; -.
DR   STRING; 486.B2G52_04140; -.
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:0034220; P:ion transmembrane transport; IEA:InterPro.
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   InterPro; IPR001702; Porin_Gram-ve.
DR   InterPro; IPR013793; Porin_Gram-ve_CS.
DR   InterPro; IPR002299; Porin_Neis.
DR   Pfam; PF00267; Porin_1; 1.
DR   PRINTS; PR00182; ECOLNEIPORIN.
DR   PRINTS; PR00184; NEISSPPORIN.
DR   PROSITE; PS00576; GRAM_NEG_PORIN; 1.
PE   3: Inferred from homology;
KW   Cell outer membrane; Ion transport; Membrane; Porin; Signal; Transmembrane;
KW   Transmembrane beta strand; Transport.
FT   SIGNAL          1..19
FT   CHAIN           20..337
FT                   /note="Major outer membrane protein P.IB"
FT                   /id="PRO_0000025285"
SQ   SEQUENCE   337 AA;  35710 MW;  35B4DD04A2826AED CRC64;
     MKKSLIALTL AALPVAAMAD VTLYGTIKAG VETYRTVKHT DGKVTEVKTG SEIADFGSKI
     GFKGQEDFGN GLKAIWQLEQ SASIAGTNSG WGNKQSFIGL KGGFGTVRAG NLNSILKSTG
     DNVNAWESGK ATEDVLQVSK ISAPEHRYAS VRYDSPEFAG FSGSVQYAPK DNSGANGESY
     HVGLNYQNSG FFAQYAGLFQ RHGEGTKATV GEPVEKLQVH RLVGGYDNDA LYASVAVQQQ
     DAKLAAAPNS HNSQTEVAAT VAYRFGNVTP RVSYAHGFKG TVAKADGDNR YDQVVVGAEY
     DFSKRTSALV SAGWLQEGKG AGKTVSTAST VGLRHKF