RS18_ECOLI
ID RS18_ECOLI Reviewed; 75 AA.
AC P0A7T7; P02374; Q2M6A3;
DT 21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 03-AUG-2022, entry version 161.
DE RecName: Full=30S ribosomal protein S18;
DE AltName: Full=Small ribosomal subunit protein bS18 {ECO:0000303|PubMed:24524803};
GN Name=rpsR; OrderedLocusNames=b4202, JW4160;
OS Escherichia coli (strain K12).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=83333;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=3528756; DOI=10.1007/bf00330199;
RA Schnier J., Kitakawa M., Isono K.;
RT "The nucleotide sequence of an Escherichia coli chromosomal region
RT containing the genes for ribosomal proteins S6, S18, L9 and an open reading
RT frame.";
RL Mol. Gen. Genet. 204:126-132(1986).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / MG1655 / ATCC 47076;
RX PubMed=7610040; DOI=10.1093/nar/23.12.2105;
RA Burland V.D., Plunkett G. III, Sofia H.J., Daniels D.L., Blattner F.R.;
RT "Analysis of the Escherichia coli genome VI: DNA sequence of the region
RT from 92.8 through 100 minutes.";
RL Nucleic Acids Res. 23:2105-2119(1995).
RN [3]
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 [4]
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 [5]
RP PROTEIN SEQUENCE OF 2-75, SUBUNIT, AND ACETYLATION AT ALA-2.
RC STRAIN=K;
RX PubMed=776663; DOI=10.1016/0014-5793(75)80378-4;
RA Yaguchi M.;
RT "Primary structure of protein S18 from the small Escherichia coli ribosomal
RT subunit.";
RL FEBS Lett. 59:217-220(1975).
RN [6]
RP PROTEIN SEQUENCE OF 31-38, SUBUNIT, AND CROSS-LINKING TO RRNA.
RC STRAIN=MRE-600;
RX PubMed=7556101; DOI=10.1002/j.1460-2075.1995.tb00137.x;
RA Urlaub H., Kruft V., Bischof O., Mueller E.-C., Wittmann-Liebold B.;
RT "Protein-rRNA binding features and their structural and functional
RT implications in ribosomes as determined by cross-linking studies.";
RL EMBO J. 14:4578-4588(1995).
RN [7]
RP MASS SPECTROMETRY, AND SUBUNIT.
RC STRAIN=K12 / ATCC 25404 / DSM 5698 / NCIMB 11290;
RX PubMed=10094780; DOI=10.1006/abio.1998.3077;
RA Arnold R.J., Reilly J.P.;
RT "Observation of Escherichia coli ribosomal proteins and their
RT posttranslational modifications by mass spectrometry.";
RL Anal. Biochem. 269:105-112(1999).
RN [8]
RP NOMENCLATURE.
RX PubMed=24524803; DOI=10.1016/j.sbi.2014.01.002;
RA Ban N., Beckmann R., Cate J.H.D., Dinman J.D., Dragon F., Ellis S.R.,
RA Lafontaine D.L.J., Lindahl L., Liljas A., Lipton J.M., McAlear M.A.,
RA Moore P.B., Noller H.F., Ortega J., Panse V.G., Ramakrishnan V.,
RA Spahn C.M.T., Steitz T.A., Tchorzewski M., Tollervey D., Warren A.J.,
RA Williamson J.R., Wilson D., Yonath A., Yusupov M.;
RT "A new system for naming ribosomal proteins.";
RL Curr. Opin. Struct. Biol. 24:165-169(2014).
RN [9]
RP 3D-STRUCTURE MODELING, AND SUBUNIT.
RX PubMed=12244297; DOI=10.1038/nsb841;
RA Tung C.-S., Joseph S., Sanbonmatsu K.Y.;
RT "All-atom homology model of the Escherichia coli 30S ribosomal subunit.";
RL Nat. Struct. Biol. 9:750-755(2002).
RN [10]
RP STRUCTURE BY ELECTRON MICROSCOPY (11.50 ANGSTROMS), AND SUBUNIT.
RC STRAIN=MRE-600;
RX PubMed=12809609; DOI=10.1016/s0092-8674(03)00427-6;
RA Gao H., Sengupta J., Valle M., Korostelev A., Eswar N., Stagg S.M.,
RA Van Roey P., Agrawal R.K., Harvey S.C., Sali A., Chapman M.S., Frank J.;
RT "Study of the structural dynamics of the E. coli 70S ribosome using real-
RT space refinement.";
RL Cell 113:789-801(2003).
RN [11]
RP X-RAY CRYSTALLOGRAPHY (3.46 ANGSTROMS) OF 2 DIFFERENT RIBOSOME STRUCTURES,
RP AND SUBUNIT.
RC STRAIN=MRE-600;
RX PubMed=16272117; DOI=10.1126/science.1117230;
RA Schuwirth B.S., Borovinskaya M.A., Hau C.W., Zhang W., Vila-Sanjurjo A.,
RA Holton J.M., Cate J.H.D.;
RT "Structures of the bacterial ribosome at 3.5 A resolution.";
RL Science 310:827-834(2005).
RN [12]
RP STRUCTURE BY ELECTRON MICROSCOPY (3.0 ANGSTROMS) OF 70S RIBOSOME IN COMPLEX
RP WITH ARFA AND RF2, AND SUBUNIT.
RX PubMed=27906160; DOI=10.1038/nature20822;
RA Ma C., Kurita D., Li N., Chen Y., Himeno H., Gao N.;
RT "Mechanistic insights into the alternative translation termination by ArfA
RT and RF2.";
RL Nature 541:550-553(2017).
RN [13]
RP STRUCTURE BY ELECTRON MICROSCOPY (3.1 ANGSTROMS) OF 70S RIBOSOME IN COMPLEX
RP WITH ARFA AND RF2, AND SUBUNIT.
RX PubMed=27906161; DOI=10.1038/nature20821;
RA Huter P., Mueller C., Beckert B., Arenz S., Berninghausen O., Beckmann R.,
RA Wilson D.N.;
RT "Structural basis for ArfA-RF2-mediated translation termination on mRNAs
RT lacking stop codons.";
RL Nature 541:546-549(2017).
RN [14]
RP STRUCTURE BY ELECTRON MICROSCOPY (2.97 ANGSTROMS) OF 70S RIBOSOME IN
RP COMPLEX WITH ARFA AND RF2, AND SUBUNIT.
RX PubMed=27934701; DOI=10.1126/science.aai9127;
RA James N.R., Brown A., Gordiyenko Y., Ramakrishnan V.;
RT "Translational termination without a stop codon.";
RL Science 354:1437-1440(2016).
RN [15]
RP STRUCTURE BY ELECTRON MICROSCOPY (3.52 ANGSTROMS) OF 70S RIBOSOME IN
RP COMPLEX WITH ARFA AND RF2, AND SUBUNIT.
RX PubMed=28077875; DOI=10.1038/nature21053;
RA Zeng F., Chen Y., Remis J., Shekhar M., Phillips J.C., Tajkhorshid E.,
RA Jin H.;
RT "Structural basis of co-translational quality control by ArfA and RF2 bound
RT to ribosome.";
RL Nature 541:554-557(2017).
CC -!- FUNCTION: Binds as a heterodimer with protein S6 to the central domain
CC of the 16S rRNA, where it helps stabilize the platform of the 30S
CC subunit.
CC -!- SUBUNIT: Part of the 30S ribosomal subunit (PubMed:776663,
CC PubMed:7556101, PubMed:10094780, PubMed:12244297, PubMed:12809609,
CC PubMed:16272117, PubMed:27934701, PubMed:27906160, PubMed:27906161).
CC Forms a tight heterodimer with protein S6.
CC {ECO:0000269|PubMed:10094780, ECO:0000269|PubMed:12244297,
CC ECO:0000269|PubMed:12809609, ECO:0000269|PubMed:16272117,
CC ECO:0000269|PubMed:27934701, ECO:0000269|PubMed:7556101,
CC ECO:0000269|PubMed:776663}.
CC -!- INTERACTION:
CC P0A7T7; P02358: rpsF; NbExp=4; IntAct=EBI-548844, EBI-543068;
CC -!- MASS SPECTROMETRY: Mass=8897.0; Method=MALDI;
CC Evidence={ECO:0000269|PubMed:10094780};
CC -!- SIMILARITY: Belongs to the bacterial ribosomal protein bS18 family.
CC {ECO:0000305}.
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DR EMBL; X04022; CAA27654.1; -; Genomic_DNA.
DR EMBL; U14003; AAA97098.1; -; Genomic_DNA.
DR EMBL; U00096; AAC77159.1; -; Genomic_DNA.
DR EMBL; AP009048; BAE78203.1; -; Genomic_DNA.
DR PIR; S56427; R3EC18.
DR RefSeq; NP_418623.1; NC_000913.3.
DR RefSeq; WP_000135199.1; NZ_STEB01000013.1.
DR PDB; 2YKR; EM; 9.80 A; R=20-74.
DR PDB; 3J9Y; EM; 3.90 A; r=1-75.
DR PDB; 3J9Z; EM; 3.60 A; SR=2-75.
DR PDB; 3JA1; EM; 3.60 A; SR=2-75.
DR PDB; 3JBU; EM; 3.64 A; R=1-75.
DR PDB; 3JBV; EM; 3.32 A; R=1-75.
DR PDB; 3JCD; EM; 3.70 A; r=1-75.
DR PDB; 3JCE; EM; 3.20 A; r=1-75.
DR PDB; 3JCJ; EM; 3.70 A; 1=1-75.
DR PDB; 3JCN; EM; 4.60 A; u=1-75.
DR PDB; 4A2I; EM; 16.50 A; R=20-74.
DR PDB; 4ADV; EM; 13.50 A; R=2-75.
DR PDB; 4U1U; X-ray; 2.95 A; AR/CR=20-74.
DR PDB; 4U1V; X-ray; 3.00 A; AR/CR=20-74.
DR PDB; 4U20; X-ray; 2.90 A; AR/CR=20-74.
DR PDB; 4U24; X-ray; 2.90 A; AR/CR=20-74.
DR PDB; 4U25; X-ray; 2.90 A; AR/CR=20-74.
DR PDB; 4U26; X-ray; 2.80 A; AR/CR=20-74.
DR PDB; 4U27; X-ray; 2.80 A; AR/CR=20-74.
DR PDB; 4V47; EM; 12.30 A; BR=2-75.
DR PDB; 4V48; EM; 11.50 A; BR=2-75.
DR PDB; 4V4H; X-ray; 3.46 A; AR/CR=1-75.
DR PDB; 4V4Q; X-ray; 3.46 A; AR/CR=2-75.
DR PDB; 4V4V; EM; 15.00 A; AR=7-75.
DR PDB; 4V4W; EM; 15.00 A; AR=7-75.
DR PDB; 4V50; X-ray; 3.22 A; AR/CR=2-75.
DR PDB; 4V52; X-ray; 3.21 A; AR/CR=2-75.
DR PDB; 4V53; X-ray; 3.54 A; AR/CR=2-75.
DR PDB; 4V54; X-ray; 3.30 A; AR/CR=2-75.
DR PDB; 4V55; X-ray; 4.00 A; AR/CR=2-75.
DR PDB; 4V56; X-ray; 3.93 A; AR/CR=2-75.
DR PDB; 4V57; X-ray; 3.50 A; AR/CR=2-75.
DR PDB; 4V5B; X-ray; 3.74 A; BR/DR=2-75.
DR PDB; 4V5H; EM; 5.80 A; AR=20-74.
DR PDB; 4V5Y; X-ray; 4.45 A; AR/CR=2-75.
DR PDB; 4V64; X-ray; 3.50 A; AR/CR=2-75.
DR PDB; 4V65; EM; 9.00 A; AK=1-75.
DR PDB; 4V66; EM; 9.00 A; AK=1-75.
DR PDB; 4V69; EM; 6.70 A; AR=20-74.
DR PDB; 4V6C; X-ray; 3.19 A; AR/CR=1-75.
DR PDB; 4V6D; X-ray; 3.81 A; AR/CR=1-75.
DR PDB; 4V6E; X-ray; 3.71 A; AR/CR=1-75.
DR PDB; 4V6K; EM; 8.25 A; BV=1-75.
DR PDB; 4V6L; EM; 13.20 A; AV=1-75.
DR PDB; 4V6M; EM; 7.10 A; AR=2-75.
DR PDB; 4V6N; EM; 12.10 A; BU=2-75.
DR PDB; 4V6O; EM; 14.70 A; AU=2-75.
DR PDB; 4V6P; EM; 13.50 A; AU=2-75.
DR PDB; 4V6Q; EM; 11.50 A; AU=2-75.
DR PDB; 4V6R; EM; 11.50 A; AU=2-75.
DR PDB; 4V6S; EM; 13.10 A; BT=2-75.
DR PDB; 4V6T; EM; 8.30 A; AR=20-74.
DR PDB; 4V6V; EM; 9.80 A; AR=2-75.
DR PDB; 4V6Y; EM; 12.00 A; AR=20-74.
DR PDB; 4V6Z; EM; 12.00 A; AR=20-74.
DR PDB; 4V70; EM; 17.00 A; AR=20-74.
DR PDB; 4V71; EM; 20.00 A; AR=20-74.
DR PDB; 4V72; EM; 13.00 A; AR=20-74.
DR PDB; 4V73; EM; 15.00 A; AR=20-74.
DR PDB; 4V74; EM; 17.00 A; AR=20-74.
DR PDB; 4V75; EM; 12.00 A; AR=20-74.
DR PDB; 4V76; EM; 17.00 A; AR=20-74.
DR PDB; 4V77; EM; 17.00 A; AR=20-74.
DR PDB; 4V78; EM; 20.00 A; AR=20-74.
DR PDB; 4V79; EM; 15.00 A; AR=20-74.
DR PDB; 4V7A; EM; 9.00 A; AR=20-74.
DR PDB; 4V7B; EM; 6.80 A; AR=1-75.
DR PDB; 4V7C; EM; 7.60 A; AR=2-75.
DR PDB; 4V7D; EM; 7.60 A; BR=2-75.
DR PDB; 4V7I; EM; 9.60 A; BR=1-75.
DR PDB; 4V7S; X-ray; 3.25 A; AR/CR=20-74.
DR PDB; 4V7T; X-ray; 3.19 A; AR/CR=20-74.
DR PDB; 4V7U; X-ray; 3.10 A; AR/CR=20-74.
DR PDB; 4V7V; X-ray; 3.29 A; AR/CR=20-74.
DR PDB; 4V85; X-ray; 3.20 A; AR=1-75.
DR PDB; 4V89; X-ray; 3.70 A; AR=1-75.
DR PDB; 4V9C; X-ray; 3.30 A; AR/CR=1-75.
DR PDB; 4V9D; X-ray; 3.00 A; AR/BR=20-74.
DR PDB; 4V9O; X-ray; 2.90 A; BR/DR/FR/HR=1-75.
DR PDB; 4V9P; X-ray; 2.90 A; BR/DR/FR/HR=1-75.
DR PDB; 4WF1; X-ray; 3.09 A; AR/CR=20-74.
DR PDB; 4WOI; X-ray; 3.00 A; AR/DR=1-75.
DR PDB; 4WWW; X-ray; 3.10 A; QR/XR=20-74.
DR PDB; 4YBB; X-ray; 2.10 A; AR/BR=20-74.
DR PDB; 5AFI; EM; 2.90 A; r=1-75.
DR PDB; 5H5U; EM; 3.00 A; y=2-75.
DR PDB; 5IQR; EM; 3.00 A; w=1-75.
DR PDB; 5IT8; X-ray; 3.12 A; AR/BR=20-74.
DR PDB; 5J5B; X-ray; 2.80 A; AR/BR=20-74.
DR PDB; 5J7L; X-ray; 3.00 A; AR/BR=20-74.
DR PDB; 5J88; X-ray; 3.32 A; AR/BR=20-74.
DR PDB; 5J8A; X-ray; 3.10 A; AR/BR=20-74.
DR PDB; 5J91; X-ray; 2.96 A; AR/BR=20-74.
DR PDB; 5JC9; X-ray; 3.03 A; AR/BR=20-74.
DR PDB; 5JTE; EM; 3.60 A; AR=1-75.
DR PDB; 5JU8; EM; 3.60 A; AR=1-75.
DR PDB; 5KCR; EM; 3.60 A; 1r=1-75.
DR PDB; 5KCS; EM; 3.90 A; 1r=1-75.
DR PDB; 5KPS; EM; 3.90 A; 23=1-75.
DR PDB; 5KPV; EM; 4.10 A; 22=1-75.
DR PDB; 5KPW; EM; 3.90 A; 22=1-75.
DR PDB; 5KPX; EM; 3.90 A; 22=1-75.
DR PDB; 5L3P; EM; 3.70 A; r=1-75.
DR PDB; 5LZA; EM; 3.60 A; r=10-74.
DR PDB; 5LZB; EM; 5.30 A; r=10-74.
DR PDB; 5LZC; EM; 4.80 A; r=10-74.
DR PDB; 5LZD; EM; 3.40 A; r=10-74.
DR PDB; 5LZE; EM; 3.50 A; r=10-74.
DR PDB; 5LZF; EM; 4.60 A; r=10-74.
DR PDB; 5MDV; EM; 2.97 A; w=1-75.
DR PDB; 5MDW; EM; 3.06 A; w=1-75.
DR PDB; 5MDY; EM; 3.35 A; w=1-75.
DR PDB; 5MDZ; EM; 3.10 A; w=1-75.
DR PDB; 5ME0; EM; 13.50 A; R=1-75.
DR PDB; 5ME1; EM; 13.50 A; R=1-75.
DR PDB; 5MGP; EM; 3.10 A; r=10-74.
DR PDB; 5MY1; EM; 7.60 A; R=2-75.
DR PDB; 5NO2; EM; 5.16 A; R=20-74.
DR PDB; 5NO3; EM; 5.16 A; R=20-74.
DR PDB; 5NO4; EM; 5.16 A; R=20-74.
DR PDB; 5NP6; EM; 3.60 A; U=10-74.
DR PDB; 5NWY; EM; 2.93 A; H=1-75.
DR PDB; 5O2R; EM; 3.40 A; r=10-74.
DR PDB; 5U4I; EM; 3.50 A; r=1-75.
DR PDB; 5U9F; EM; 3.20 A; R=1-75.
DR PDB; 5U9G; EM; 3.20 A; R=1-75.
DR PDB; 5UYK; EM; 3.90 A; R=10-74.
DR PDB; 5UYL; EM; 3.60 A; R=10-74.
DR PDB; 5UYM; EM; 3.20 A; R=10-74.
DR PDB; 5UYN; EM; 4.00 A; R=10-74.
DR PDB; 5UYP; EM; 3.90 A; R=10-74.
DR PDB; 5UYQ; EM; 3.80 A; R=10-74.
DR PDB; 5WDT; EM; 3.00 A; r=10-74.
DR PDB; 5WE4; EM; 3.10 A; r=10-74.
DR PDB; 5WE6; EM; 3.40 A; r=10-74.
DR PDB; 5WFK; EM; 3.40 A; r=10-74.
DR PDB; 6BU8; EM; 3.50 A; R=10-74.
DR PDB; 6BY1; X-ray; 3.94 A; AR/BR=20-74.
DR PDB; 6C4I; EM; 3.24 A; r=10-75.
DR PDB; 6ENF; EM; 3.20 A; r=10-74.
DR PDB; 6ENJ; EM; 3.70 A; r=10-74.
DR PDB; 6ENU; EM; 3.10 A; r=10-74.
DR PDB; 6GWT; EM; 3.80 A; r=10-74.
DR PDB; 6GXM; EM; 3.80 A; r=10-74.
DR PDB; 6GXN; EM; 3.90 A; r=10-74.
DR PDB; 6GXO; EM; 3.90 A; r=10-74.
DR PDB; 6GXP; EM; 4.40 A; r=10-74.
DR PDB; 6H4N; EM; 3.00 A; r=10-74.
DR PDB; 6H58; EM; 7.90 A; r/rr=10-74.
DR PDB; 6HRM; EM; 2.96 A; w=10-75.
DR PDB; 6I7V; X-ray; 2.90 A; AR/BR=20-74.
DR PDB; 6O9J; EM; 3.90 A; r=20-74.
DR PDB; 6O9K; EM; 4.00 A; r=20-73.
DR PDB; 6OFX; EM; 3.30 A; W=10-74.
DR PDB; 6OG7; EM; 3.30 A; W=10-74.
DR PDB; 6ORE; EM; 2.90 A; w=10-75.
DR PDB; 6ORL; EM; 3.50 A; w=10-75.
DR PDB; 6OST; EM; 4.20 A; w=10-75.
DR PDB; 6OT3; EM; 3.90 A; w=10-75.
DR PDB; 6OUO; EM; 3.70 A; w=10-75.
DR PDB; 6Q97; EM; 3.90 A; w=10-74.
DR PDB; 6Q98; EM; 4.30 A; w=1-75.
DR PDB; 6Q9A; EM; 3.70 A; w=10-75.
DR PDB; 6SZS; EM; 3.06 A; r=1-75.
DR PDB; 6TBV; EM; 2.70 A; S181=1-75.
DR PDB; 6TC3; EM; 2.70 A; S181=1-75.
DR PDB; 6VWL; EM; 3.10 A; q=1-75.
DR PDB; 6VWM; EM; 3.40 A; q=1-75.
DR PDB; 6VWN; EM; 3.40 A; q=1-75.
DR PDB; 6W6K; EM; 3.60 A; R=1-75.
DR PDB; 6W77; EM; 3.60 A; R=1-75.
DR PDB; 6W7M; EM; 3.80 A; R=1-75.
DR PDB; 6WD6; EM; 3.70 A; W=10-74.
DR PDB; 6WDB; EM; 4.00 A; W=10-74.
DR PDB; 6WDC; EM; 4.20 A; W=10-74.
DR PDB; 6WDD; EM; 3.20 A; W=10-74.
DR PDB; 6WDE; EM; 3.00 A; W=10-74.
DR PDB; 6WDF; EM; 3.30 A; W=10-74.
DR PDB; 6WDG; EM; 3.30 A; W=10-74.
DR PDB; 6WDH; EM; 4.30 A; W=10-74.
DR PDB; 6WDI; EM; 4.00 A; W=10-74.
DR PDB; 6WDJ; EM; 3.70 A; W=10-74.
DR PDB; 6WDK; EM; 3.60 A; W=10-74.
DR PDB; 6WDL; EM; 3.70 A; W=10-74.
DR PDB; 6WDM; EM; 3.60 A; W=10-74.
DR PDB; 6WNV; EM; 3.50 A; W=10-74.
DR PDB; 6WNW; EM; 3.20 A; W=10-74.
DR PDB; 6XE0; EM; 6.80 A; R=20-74.
DR PDB; 6XZA; EM; 2.66 A; R1=20-74.
DR PDB; 6XZB; EM; 2.54 A; R1=20-74.
DR PDB; 6Y69; EM; 2.86 A; r=10-74.
DR PDB; 6ZTL; EM; 3.50 A; AR=1-75.
DR PDB; 7ABZ; EM; 3.21 A; w=20-74.
DR PDB; 7AC7; EM; 3.08 A; w=10-74.
DR PDB; 7ACJ; EM; 3.20 A; w=9-75.
DR PDB; 7ACR; EM; 3.44 A; w=9-75.
DR PDB; 7AFI; EM; 3.53 A; R=1-75.
DR PDB; 7AFL; EM; 4.20 A; R=1-75.
DR PDB; 7AFO; EM; 3.93 A; R=1-75.
DR PDB; 7B5K; EM; 2.90 A; r=20-74.
DR PDB; 7BOD; EM; 2.88 A; R=1-75.
DR PDB; 7BOE; EM; 2.90 A; R=1-75.
DR PDB; 7BOF; EM; 2.92 A; R=1-75.
DR PDB; 7BOG; EM; 2.75 A; R=1-75.
DR PDB; 7BOH; EM; 2.82 A; R=1-75.
DR PDB; 7BOI; EM; 2.98 A; R=1-75.
DR PDB; 7D6Z; EM; 3.40 A; y=1-75.
DR PDB; 7D80; EM; 4.10 A; S=1-75.
DR PDB; 7JSS; EM; 3.70 A; W=10-74.
DR PDB; 7JSW; EM; 3.80 A; W=10-74.
DR PDB; 7JSZ; EM; 3.70 A; W=10-74.
DR PDB; 7JT1; EM; 3.30 A; W=10-74.
DR PDB; 7JT2; EM; 3.50 A; W=10-74.
DR PDB; 7JT3; EM; 3.70 A; W=10-74.
DR PDB; 7K50; EM; 3.40 A; W=10-74.
DR PDB; 7K51; EM; 3.50 A; W=10-74.
DR PDB; 7K52; EM; 3.40 A; W=10-74.
DR PDB; 7K53; EM; 3.20 A; W=10-74.
DR PDB; 7K54; EM; 3.20 A; W=10-74.
DR PDB; 7K55; EM; 3.30 A; W=10-74.
DR PDB; 7LV0; EM; 3.20 A; W=10-74.
DR PDB; 7N1P; EM; 2.33 A; SR=1-75.
DR PDB; 7N2C; EM; 2.72 A; SR=1-75.
DR PDB; 7N2U; EM; 2.53 A; SR=1-75.
DR PDB; 7N2V; EM; 2.54 A; SR=1-75.
DR PDB; 7N30; EM; 2.66 A; SR=1-75.
DR PDB; 7N31; EM; 2.69 A; SR=1-75.
DR PDB; 7NAR; EM; 3.00 A; R=1-75.
DR PDB; 7NAS; EM; 3.31 A; R=1-75.
DR PDB; 7NAT; EM; 3.59 A; R=1-75.
DR PDB; 7NAU; EM; 3.78 A; R=1-75.
DR PDB; 7NAV; EM; 4.80 A; R=1-75.
DR PDB; 7NBU; EM; 3.11 A; R=9-74.
DR PDB; 7O19; EM; 2.90 A; AR=1-75.
DR PDB; 7O1A; EM; 2.40 A; AR=1-75.
DR PDB; 7O1C; EM; 2.60 A; AR=1-75.
DR PDB; 7O5H; EM; 3.10 A; R=20-74.
DR PDB; 7OE0; EM; 2.69 A; R=2-75.
DR PDB; 7OE1; EM; 3.05 A; R=2-75.
DR PDB; 7OI0; EM; 2.76 A; R=2-75.
DR PDB; 7OIZ; EM; 2.90 A; R=1-75.
DR PDB; 7OJ0; EM; 3.50 A; R=1-75.
DR PDB; 7P3K; EM; 2.90 A; R=1-75.
DR PDB; 7PJY; EM; 3.10 A; r=1-75.
DR PDB; 7QG8; EM; 3.97 A; K=1-75.
DR PDB; 7QGH; EM; 4.48 A; I=1-75.
DR PDB; 7SS9; EM; 3.90 A; W=10-74.
DR PDB; 7SSD; EM; 3.30 A; W=10-74.
DR PDB; 7SSL; EM; 3.80 A; W=10-74.
DR PDB; 7SSN; EM; 3.20 A; W=10-74.
DR PDB; 7SSO; EM; 3.20 A; W=10-74.
DR PDB; 7SSW; EM; 3.80 A; W=10-74.
DR PDB; 7ST2; EM; 2.90 A; W=10-74.
DR PDB; 7ST6; EM; 3.00 A; W=10-74.
DR PDB; 7ST7; EM; 3.20 A; W=10-74.
DR PDBsum; 2YKR; -.
DR PDBsum; 3J9Y; -.
DR PDBsum; 3J9Z; -.
DR PDBsum; 3JA1; -.
DR PDBsum; 3JBU; -.
DR PDBsum; 3JBV; -.
DR PDBsum; 3JCD; -.
DR PDBsum; 3JCE; -.
DR PDBsum; 3JCJ; -.
DR PDBsum; 3JCN; -.
DR PDBsum; 4A2I; -.
DR PDBsum; 4ADV; -.
DR PDBsum; 4U1U; -.
DR PDBsum; 4U1V; -.
DR PDBsum; 4U20; -.
DR PDBsum; 4U24; -.
DR PDBsum; 4U25; -.
DR PDBsum; 4U26; -.
DR PDBsum; 4U27; -.
DR PDBsum; 4V47; -.
DR PDBsum; 4V48; -.
DR PDBsum; 4V4H; -.
DR PDBsum; 4V4Q; -.
DR PDBsum; 4V4V; -.
DR PDBsum; 4V4W; -.
DR PDBsum; 4V50; -.
DR PDBsum; 4V52; -.
DR PDBsum; 4V53; -.
DR PDBsum; 4V54; -.
DR PDBsum; 4V55; -.
DR PDBsum; 4V56; -.
DR PDBsum; 4V57; -.
DR PDBsum; 4V5B; -.
DR PDBsum; 4V5H; -.
DR PDBsum; 4V5Y; -.
DR PDBsum; 4V64; -.
DR PDBsum; 4V65; -.
DR PDBsum; 4V66; -.
DR PDBsum; 4V69; -.
DR PDBsum; 4V6C; -.
DR PDBsum; 4V6D; -.
DR PDBsum; 4V6E; -.
DR PDBsum; 4V6K; -.
DR PDBsum; 4V6L; -.
DR PDBsum; 4V6M; -.
DR PDBsum; 4V6N; -.
DR PDBsum; 4V6O; -.
DR PDBsum; 4V6P; -.
DR PDBsum; 4V6Q; -.
DR PDBsum; 4V6R; -.
DR PDBsum; 4V6S; -.
DR PDBsum; 4V6T; -.
DR PDBsum; 4V6V; -.
DR PDBsum; 4V6Y; -.
DR PDBsum; 4V6Z; -.
DR PDBsum; 4V70; -.
DR PDBsum; 4V71; -.
DR PDBsum; 4V72; -.
DR PDBsum; 4V73; -.
DR PDBsum; 4V74; -.
DR PDBsum; 4V75; -.
DR PDBsum; 4V76; -.
DR PDBsum; 4V77; -.
DR PDBsum; 4V78; -.
DR PDBsum; 4V79; -.
DR PDBsum; 4V7A; -.
DR PDBsum; 4V7B; -.
DR PDBsum; 4V7C; -.
DR PDBsum; 4V7D; -.
DR PDBsum; 4V7I; -.
DR PDBsum; 4V7S; -.
DR PDBsum; 4V7T; -.
DR PDBsum; 4V7U; -.
DR PDBsum; 4V7V; -.
DR PDBsum; 4V85; -.
DR PDBsum; 4V89; -.
DR PDBsum; 4V9C; -.
DR PDBsum; 4V9D; -.
DR PDBsum; 4V9O; -.
DR PDBsum; 4V9P; -.
DR PDBsum; 4WF1; -.
DR PDBsum; 4WOI; -.
DR PDBsum; 4WWW; -.
DR PDBsum; 4YBB; -.
DR PDBsum; 5AFI; -.
DR PDBsum; 5H5U; -.
DR PDBsum; 5IQR; -.
DR PDBsum; 5IT8; -.
DR PDBsum; 5J5B; -.
DR PDBsum; 5J7L; -.
DR PDBsum; 5J88; -.
DR PDBsum; 5J8A; -.
DR PDBsum; 5J91; -.
DR PDBsum; 5JC9; -.
DR PDBsum; 5JTE; -.
DR PDBsum; 5JU8; -.
DR PDBsum; 5KCR; -.
DR PDBsum; 5KCS; -.
DR PDBsum; 5KPS; -.
DR PDBsum; 5KPV; -.
DR PDBsum; 5KPW; -.
DR PDBsum; 5KPX; -.
DR PDBsum; 5L3P; -.
DR PDBsum; 5LZA; -.
DR PDBsum; 5LZB; -.
DR PDBsum; 5LZC; -.
DR PDBsum; 5LZD; -.
DR PDBsum; 5LZE; -.
DR PDBsum; 5LZF; -.
DR PDBsum; 5MDV; -.
DR PDBsum; 5MDW; -.
DR PDBsum; 5MDY; -.
DR PDBsum; 5MDZ; -.
DR PDBsum; 5ME0; -.
DR PDBsum; 5ME1; -.
DR PDBsum; 5MGP; -.
DR PDBsum; 5MY1; -.
DR PDBsum; 5NO2; -.
DR PDBsum; 5NO3; -.
DR PDBsum; 5NO4; -.
DR PDBsum; 5NP6; -.
DR PDBsum; 5NWY; -.
DR PDBsum; 5O2R; -.
DR PDBsum; 5U4I; -.
DR PDBsum; 5U9F; -.
DR PDBsum; 5U9G; -.
DR PDBsum; 5UYK; -.
DR PDBsum; 5UYL; -.
DR PDBsum; 5UYM; -.
DR PDBsum; 5UYN; -.
DR PDBsum; 5UYP; -.
DR PDBsum; 5UYQ; -.
DR PDBsum; 5WDT; -.
DR PDBsum; 5WE4; -.
DR PDBsum; 5WE6; -.
DR PDBsum; 5WFK; -.
DR PDBsum; 6BU8; -.
DR PDBsum; 6BY1; -.
DR PDBsum; 6C4I; -.
DR PDBsum; 6ENF; -.
DR PDBsum; 6ENJ; -.
DR PDBsum; 6ENU; -.
DR PDBsum; 6GWT; -.
DR PDBsum; 6GXM; -.
DR PDBsum; 6GXN; -.
DR PDBsum; 6GXO; -.
DR PDBsum; 6GXP; -.
DR PDBsum; 6H4N; -.
DR PDBsum; 6H58; -.
DR PDBsum; 6HRM; -.
DR PDBsum; 6I7V; -.
DR PDBsum; 6O9J; -.
DR PDBsum; 6O9K; -.
DR PDBsum; 6OFX; -.
DR PDBsum; 6OG7; -.
DR PDBsum; 6ORE; -.
DR PDBsum; 6ORL; -.
DR PDBsum; 6OST; -.
DR PDBsum; 6OT3; -.
DR PDBsum; 6OUO; -.
DR PDBsum; 6Q97; -.
DR PDBsum; 6Q98; -.
DR PDBsum; 6Q9A; -.
DR PDBsum; 6SZS; -.
DR PDBsum; 6TBV; -.
DR PDBsum; 6TC3; -.
DR PDBsum; 6VWL; -.
DR PDBsum; 6VWM; -.
DR PDBsum; 6VWN; -.
DR PDBsum; 6W6K; -.
DR PDBsum; 6W77; -.
DR PDBsum; 6W7M; -.
DR PDBsum; 6WD6; -.
DR PDBsum; 6WDB; -.
DR PDBsum; 6WDC; -.
DR PDBsum; 6WDD; -.
DR PDBsum; 6WDE; -.
DR PDBsum; 6WDF; -.
DR PDBsum; 6WDG; -.
DR PDBsum; 6WDH; -.
DR PDBsum; 6WDI; -.
DR PDBsum; 6WDJ; -.
DR PDBsum; 6WDK; -.
DR PDBsum; 6WDL; -.
DR PDBsum; 6WDM; -.
DR PDBsum; 6WNV; -.
DR PDBsum; 6WNW; -.
DR PDBsum; 6XE0; -.
DR PDBsum; 6XZA; -.
DR PDBsum; 6XZB; -.
DR PDBsum; 6Y69; -.
DR PDBsum; 6ZTL; -.
DR PDBsum; 7ABZ; -.
DR PDBsum; 7AC7; -.
DR PDBsum; 7ACJ; -.
DR PDBsum; 7ACR; -.
DR PDBsum; 7AFI; -.
DR PDBsum; 7AFL; -.
DR PDBsum; 7AFO; -.
DR PDBsum; 7B5K; -.
DR PDBsum; 7BOD; -.
DR PDBsum; 7BOE; -.
DR PDBsum; 7BOF; -.
DR PDBsum; 7BOG; -.
DR PDBsum; 7BOH; -.
DR PDBsum; 7BOI; -.
DR PDBsum; 7D6Z; -.
DR PDBsum; 7D80; -.
DR PDBsum; 7JSS; -.
DR PDBsum; 7JSW; -.
DR PDBsum; 7JSZ; -.
DR PDBsum; 7JT1; -.
DR PDBsum; 7JT2; -.
DR PDBsum; 7JT3; -.
DR PDBsum; 7K50; -.
DR PDBsum; 7K51; -.
DR PDBsum; 7K52; -.
DR PDBsum; 7K53; -.
DR PDBsum; 7K54; -.
DR PDBsum; 7K55; -.
DR PDBsum; 7LV0; -.
DR PDBsum; 7N1P; -.
DR PDBsum; 7N2C; -.
DR PDBsum; 7N2U; -.
DR PDBsum; 7N2V; -.
DR PDBsum; 7N30; -.
DR PDBsum; 7N31; -.
DR PDBsum; 7NAR; -.
DR PDBsum; 7NAS; -.
DR PDBsum; 7NAT; -.
DR PDBsum; 7NAU; -.
DR PDBsum; 7NAV; -.
DR PDBsum; 7NBU; -.
DR PDBsum; 7O19; -.
DR PDBsum; 7O1A; -.
DR PDBsum; 7O1C; -.
DR PDBsum; 7O5H; -.
DR PDBsum; 7OE0; -.
DR PDBsum; 7OE1; -.
DR PDBsum; 7OI0; -.
DR PDBsum; 7OIZ; -.
DR PDBsum; 7OJ0; -.
DR PDBsum; 7P3K; -.
DR PDBsum; 7PJY; -.
DR PDBsum; 7QG8; -.
DR PDBsum; 7QGH; -.
DR PDBsum; 7SS9; -.
DR PDBsum; 7SSD; -.
DR PDBsum; 7SSL; -.
DR PDBsum; 7SSN; -.
DR PDBsum; 7SSO; -.
DR PDBsum; 7SSW; -.
DR PDBsum; 7ST2; -.
DR PDBsum; 7ST6; -.
DR PDBsum; 7ST7; -.
DR AlphaFoldDB; P0A7T7; -.
DR SMR; P0A7T7; -.
DR BioGRID; 853013; 2.
DR ComplexPortal; CPX-3802; 30S small ribosomal subunit.
DR DIP; DIP-47889N; -.
DR IntAct; P0A7T7; 44.
DR STRING; 511145.b4202; -.
DR ChEMBL; CHEMBL2363090; -.
DR iPTMnet; P0A7T7; -.
DR jPOST; P0A7T7; -.
DR PaxDb; P0A7T7; -.
DR PRIDE; P0A7T7; -.
DR EnsemblBacteria; AAC77159; AAC77159; b4202.
DR EnsemblBacteria; BAE78203; BAE78203; BAE78203.
DR GeneID; 948721; -.
DR GeneID; 9735149; -.
DR KEGG; ecj:JW4160; -.
DR KEGG; eco:b4202; -.
DR PATRIC; fig|1411691.4.peg.2499; -.
DR EchoBASE; EB0910; -.
DR eggNOG; COG0238; Bacteria.
DR HOGENOM; CLU_148710_2_3_6; -.
DR InParanoid; P0A7T7; -.
DR OMA; QKKYCRF; -.
DR PhylomeDB; P0A7T7; -.
DR BioCyc; EcoCyc:EG10917-MON; -.
DR BioCyc; MetaCyc:EG10917-MON; -.
DR EvolutionaryTrace; P0A7T7; -.
DR PRO; PR:P0A7T7; -.
DR Proteomes; UP000000318; Chromosome.
DR Proteomes; UP000000625; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IDA:ComplexPortal.
DR GO; GO:0005829; C:cytosol; IDA:EcoCyc.
DR GO; GO:0022627; C:cytosolic small ribosomal subunit; IDA:EcoCyc.
DR GO; GO:0048027; F:mRNA 5'-UTR binding; IDA:EcoCyc.
DR GO; GO:0070181; F:small ribosomal subunit rRNA binding; IDA:EcoCyc.
DR GO; GO:0003735; F:structural constituent of ribosome; IDA:CAFA.
DR GO; GO:0002181; P:cytoplasmic translation; IC:ComplexPortal.
DR DisProt; DP00146; -.
DR Gene3D; 4.10.640.10; -; 1.
DR HAMAP; MF_00270; Ribosomal_S18; 1.
DR InterPro; IPR001648; Ribosomal_S18.
DR InterPro; IPR018275; Ribosomal_S18_CS.
DR InterPro; IPR036870; Ribosomal_S18_sf.
DR PANTHER; PTHR13479; PTHR13479; 1.
DR Pfam; PF01084; Ribosomal_S18; 1.
DR PRINTS; PR00974; RIBOSOMALS18.
DR SUPFAM; SSF46911; SSF46911; 1.
DR TIGRFAMs; TIGR00165; S18; 1.
DR PROSITE; PS00057; RIBOSOMAL_S18; 1.
PE 1: Evidence at protein level;
KW 3D-structure; Acetylation; Direct protein sequencing; Reference proteome;
KW Ribonucleoprotein; Ribosomal protein; RNA-binding; rRNA-binding.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000269|PubMed:776663"
FT CHAIN 2..75
FT /note="30S ribosomal protein S18"
FT /id="PRO_0000111153"
FT MOD_RES 2
FT /note="N-acetylalanine"
FT /evidence="ECO:0000269|PubMed:776663"
FT CONFLICT 24
FT /note="K -> E (in Ref. 5; AA sequence)"
FT /evidence="ECO:0000305"
FT HELIX 12..16
FT /evidence="ECO:0007829|PDB:7BOG"
FT HELIX 27..32
FT /evidence="ECO:0007829|PDB:7OE0"
FT STRAND 35..37
FT /evidence="ECO:0007829|PDB:7O5H"
FT HELIX 42..45
FT /evidence="ECO:0007829|PDB:7OE0"
FT TURN 48..50
FT /evidence="ECO:0007829|PDB:7OE0"
FT HELIX 51..65
FT /evidence="ECO:0007829|PDB:7OE0"
FT STRAND 70..72
FT /evidence="ECO:0007829|PDB:7BOG"
SQ SEQUENCE 75 AA; 8986 MW; AB2E8288901B73B8 CRC64;
MARYFRRRKF CRFTAEGVQE IDYKDIATLK NYITESGKIV PSRITGTRAK YQRQLARAIK
RARYLSLLPY TDRHQ
