ID   YCHO_ECOLI              Reviewed;         464 AA.
AC   P39165; P46124; P76022;
DT   01-FEB-1995, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 3.
DT   03-AUG-2022, entry version 121.
DE   RecName: Full=Uncharacterized protein YchO;
DE   Flags: Precursor;
GN   Name=ychO; Synonyms=ychP; OrderedLocusNames=b1220, JW1211;
OS   Escherichia coli (strain K12).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
RX   PubMed=8905232; DOI=10.1093/dnares/3.3.137;
RA   Oshima T., Aiba H., Baba T., Fujita K., Hayashi K., Honjo A., Ikemoto K.,
RA   Inada T., Itoh T., Kajihara M., Kanai K., Kashimoto K., Kimura S.,
RA   Kitagawa M., Makino K., Masuda S., Miki T., Mizobuchi K., Mori H.,
RA   Motomura K., Nakamura Y., Nashimoto H., Nishio Y., Saito N., Sampei G.,
RA   Seki Y., Tagami H., Takemoto K., Wada C., Yamamoto Y., Yano M.,
RA   Horiuchi T.;
RT   "A 718-kb DNA sequence of the Escherichia coli K-12 genome corresponding to
RT   the 12.7-28.0 min region on the linkage map.";
RL   DNA Res. 3:137-155(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / MG1655 / ATCC 47076;
RX   PubMed=9278503; DOI=10.1126/science.277.5331.1453;
RA   Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V.,
RA   Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F.,
RA   Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B.,
RA   Shao Y.;
RT   "The complete genome sequence of Escherichia coli K-12.";
RL   Science 277:1453-1462(1997).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911;
RX   PubMed=16738553; DOI=10.1038/msb4100049;
RA   Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S.,
RA   Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T.;
RT   "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655
RT   and W3110.";
RL   Mol. Syst. Biol. 2:E1-E5(2006).
RN   [4]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-37.
RC   STRAIN=NM8191;
RA   Ivey D.M., Guffanti A.A., Zemsky J., Pinner E., Karpel R., Padan E.,
RA   Schuldiner S., Krulwich T.A.;
RL   Submitted (JUL-1994) to the EMBL/GenBank/DDBJ databases.
RN   [5]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 306-417.
RC   STRAIN=K12;
RX   PubMed=2657652; DOI=10.1093/nar/17.8.2947;
RA   Nohno T., Noji S., Taniguchi S., Saito T.;
RT   "The narX and narL genes encoding the nitrate-sensing regulators of
RT   Escherichia coli are homologous to a family of prokaryotic two-component
RT   regulatory genes.";
RL   Nucleic Acids Res. 17:2947-2957(1989).
RN   [6]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 364-417.
RC   STRAIN=K12;
RX   PubMed=2649492; DOI=10.1128/jb.171.4.2229-2234.1989;
RA   Stewart V., Parales J. Jr., Merkel S.M.;
RT   "Structure of genes narL and narX of the nar (nitrate reductase) locus in
RT   Escherichia coli K-12.";
RL   J. Bacteriol. 171:2229-2234(1989).
RN   [7]
RP   IDENTIFICATION.
RX   PubMed=7567469; DOI=10.1093/nar/23.17.3554;
RA   Borodovsky M., McIninch J., Koonin E.V., Rudd K.E., Medigue C., Danchin A.;
RT   "Detection of new genes in a bacterial genome using Markov models for three
RT   gene classes.";
RL   Nucleic Acids Res. 23:3554-3562(1995).
CC   -!- SUBCELLULAR LOCATION: Periplasm {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the intimin/invasin family. {ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=X69189; Type=Frameshift; Evidence={ECO:0000305};
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DR   EMBL; U00096; AAC74304.2; -; Genomic_DNA.
DR   EMBL; AP009048; BAA36088.1; -; Genomic_DNA.
DR   EMBL; L28709; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; X13360; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; M24910; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; X69189; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   PIR; A64869; A64869.
DR   RefSeq; NP_415738.2; NC_000913.3.
DR   RefSeq; WP_000086217.1; NZ_SSZK01000010.1.
DR   AlphaFoldDB; P39165; -.
DR   SMR; P39165; -.
DR   BioGRID; 4263269; 168.
DR   IntAct; P39165; 7.
DR   STRING; 511145.b1220; -.
DR   TCDB; 1.B.54.1.9; the intimin/invasin (int/inv) or autotransporter-3 (at-3) family.
DR   PaxDb; P39165; -.
DR   PRIDE; P39165; -.
DR   EnsemblBacteria; AAC74304; AAC74304; b1220.
DR   EnsemblBacteria; BAA36088; BAA36088; BAA36088.
DR   GeneID; 945801; -.
DR   KEGG; ecj:JW1211; -.
DR   KEGG; eco:b1220; -.
DR   PATRIC; fig|1411691.4.peg.1062; -.
DR   EchoBASE; EB2305; -.
DR   eggNOG; COG4932; Bacteria.
DR   HOGENOM; CLU_000210_6_0_6; -.
DR   InParanoid; P39165; -.
DR   OMA; YHNPVAV; -.
DR   PhylomeDB; P39165; -.
DR   BioCyc; EcoCyc:EG12405-MON; -.
DR   PHI-base; PHI:6184; -.
DR   PRO; PR:P39165; -.
DR   Proteomes; UP000000318; Chromosome.
DR   Proteomes; UP000000625; Chromosome.
DR   GO; GO:0009279; C:cell outer membrane; IBA:GO_Central.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   Gene3D; 2.40.160.160; -; 1.
DR   InterPro; IPR024519; IAT_beta.
DR   InterPro; IPR038177; IAT_beta_sf.
DR   Pfam; PF11924; IAT_beta; 1.
PE   3: Inferred from homology;
KW   Periplasm; Reference proteome; Signal.
FT   SIGNAL          1..24
FT                   /evidence="ECO:0000255"
FT   CHAIN           25..464
FT                   /note="Uncharacterized protein YchO"
FT                   /id="PRO_0000211832"
SQ   SEQUENCE   464 AA;  52100 MW;  FF826965DE18B630 CRC64;
     MSRFVPRIIP FYLLLLVAGG TANAQSTFEQ KAANPFDNNN DGLPDLGMAP ENHDGEKHFA
     EIVKDFGETS MNDNGLDTGE QAKAFALGKV RDALSQQVNQ HVESWLSPWG NASVDVKVDN
     EGHFTGSRGS WFVPLQDNDR YLTWSQLGLT QQDNGLVSNV GVGQRWARGN WLVGYNTFYD
     NLLDENLQRA GFGAEAWGEY LRLSANFYQP FAAWHEQTAT QEQRMARGYD LTARMRMPFY
     QHLNTSVSLE QYFGDRVDLF NSGTGYHNPV ALSLGLNYTP VPLVTVTAQH KQGESGENQN
     NLGLNLNYRF GVPLKKQLSA GEVAESQSLR GSRYDNPQRN NLPTLEYRQR KTLTVFLATP
     PWDLKPGETV PLKLQIRSRY GIRQLIWQGD TQILSLTPGA QANSAEGWTL IMPDWQNGEG
     ASNHWRLSVV VEDNQGQRVS SNEITLTLVE PFDALSNDEL RWEP