ID   OMPD_CITK8              Reviewed;         357 AA.
AC   A8AGM8;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 81.
DE   RecName: Full=Outer membrane porin protein OmpD;
DE   Flags: Precursor;
GN   Name=ompD; OrderedLocusNames=CKO_01508;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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 {ECO:0000250}; Multi-pass
CC       membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the Gram-negative porin family. {ECO:0000305}.
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DR   EMBL; CP000822; ABV12641.1; -; Genomic_DNA.
DR   RefSeq; WP_012132382.1; NC_009792.1.
DR   AlphaFoldDB; A8AGM8; -.
DR   SMR; A8AGM8; -.
DR   STRING; 290338.CKO_01508; -.
DR   PRIDE; A8AGM8; -.
DR   EnsemblBacteria; ABV12641; ABV12641; CKO_01508.
DR   GeneID; 45135578; -.
DR   KEGG; cko:CKO_01508; -.
DR   HOGENOM; CLU_058202_0_0_6; -.
DR   OMA; AVYQHAM; -.
DR   OrthoDB; 1064531at2; -.
DR   Proteomes; UP000008148; Chromosome.
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; IPR001897; Porin_gammaproteobac.
DR   InterPro; IPR001702; Porin_Gram-ve.
DR   InterPro; IPR013793; Porin_Gram-ve_CS.
DR   Pfam; PF00267; Porin_1; 1.
DR   PRINTS; PR00183; ECOLIPORIN.
DR   PRINTS; PR00182; ECOLNEIPORIN.
DR   PROSITE; PS00576; GRAM_NEG_PORIN; 1.
PE   3: Inferred from homology;
KW   Cell outer membrane; Ion transport; Membrane; Porin; Reference proteome;
KW   Signal; Transmembrane; Transmembrane beta strand; Transport.
FT   SIGNAL          1..21
FT                   /evidence="ECO:0000255"
FT   CHAIN           22..357
FT                   /note="Outer membrane porin protein OmpD"
FT                   /id="PRO_0000321869"
SQ   SEQUENCE   357 AA;  39421 MW;  2EC3F610F7C0B7C3 CRC64;
     MKLKLVAVAV TTLLAAGAVN AAEVYNKDGN KLDLYGKVHA QHYFSDDTGS DGDKTYARLG
     FKGETQINDQ LTGFGQWEYE FKGNRSENQG SDKDKTRLAF AGLKFAEFGS FDYGRNYGVA
     YDIGAWTDVL PEFGGDTWTQ TDVFMTGRTT GVATYRNTDF FGLVEGLNFA AQYQGKNDRD
     GVQEANGDGF GLSATYEYEG FGVGATYAKS DRTDKQVNAA SNFNANGKNA EVWAAGLKYD
     ANDIYLAATY SETLNMTTFG DDHIANKTQN FEAVAQYQFD FGLRPSIAYL KSKGKDIGSW
     GDQDLVEYID LGATYYFNKN MSTFVDYKIN LLDDTNFTKD ARVSTDNVVA VGLNYQF