UniProtKB - P0A7T7 (RS18_ECOLI)
Protein
30S ribosomal protein S18
Gene
rpsR
Organism
Escherichia coli (strain K12)
Status
Functioni
Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit.
GO - Molecular functioni
- mRNA 5'-UTR binding Source: EcoCyc
- small ribosomal subunit rRNA binding Source: EcoCyc
- structural constituent of ribosome Source: CAFA
GO - Biological processi
- translation Source: UniProtKB-UniRule
Keywordsi
Molecular function | Ribonucleoprotein, Ribosomal protein, RNA-binding, rRNA-binding |
Enzyme and pathway databases
BioCyci | EcoCyc:EG10917-MONOMER MetaCyc:EG10917-MONOMER |
Names & Taxonomyi
Protein namesi | Recommended name: 30S ribosomal protein S18Alternative name(s): Small ribosomal subunit protein bS181 Publication |
Gene namesi | Name:rpsR Ordered Locus Names:b4202, JW4160 |
Organismi | Escherichia coli (strain K12) |
Taxonomic identifieri | 83333 [NCBI] |
Taxonomic lineagei | Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacterales › Enterobacteriaceae › Escherichia › |
Proteomesi |
|
Subcellular locationi
GO - Cellular componenti
- cytosol Source: EcoCyc
- cytosolic small ribosomal subunit Source: EcoCyc
PTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Initiator methioninei | Removed1 Publication | |||
ChainiPRO_0000111153 | 2 – 75 | 30S ribosomal protein S18Add BLAST | 74 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Modified residuei | 2 | N-acetylalanine1 Publication | 1 |
Keywords - PTMi
AcetylationProteomic databases
jPOSTi | P0A7T7 |
PaxDbi | P0A7T7 |
PRIDEi | P0A7T7 |
PTM databases
iPTMneti | P0A7T7 |
Interactioni
Subunit structurei
Binary interactionsi
P0A7T7
With | #Exp. | IntAct |
---|---|---|
rpsF [P02358] | 4 | EBI-548844,EBI-543068 |
Protein-protein interaction databases
BioGRIDi | 853013, 2 interactors |
ComplexPortali | CPX-3802, 30S small ribosomal subunit |
DIPi | DIP-47889N |
IntActi | P0A7T7, 29 interactors |
STRINGi | 511145.b4202 |
Structurei
Secondary structure
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details3D structure databases
SMRi | P0A7T7 |
ModBasei | Search... |
PDBe-KBi | Search... |
Miscellaneous databases
EvolutionaryTracei | P0A7T7 |
Family & Domainsi
Sequence similaritiesi
Belongs to the bacterial ribosomal protein bS18 family.Curated
Phylogenomic databases
eggNOGi | COG0238, Bacteria |
HOGENOMi | CLU_148710_2_3_6 |
InParanoidi | P0A7T7 |
PhylomeDBi | P0A7T7 |
Family and domain databases
DisProti | DP00146 |
Gene3Di | 4.10.640.10, 1 hit |
HAMAPi | MF_00270, Ribosomal_S18, 1 hit |
InterProi | View protein in InterPro IPR001648, Ribosomal_S18 IPR018275, Ribosomal_S18_CS IPR036870, Ribosomal_S18_sf |
Pfami | View protein in Pfam PF01084, Ribosomal_S18, 1 hit |
PRINTSi | PR00974, RIBOSOMALS18 |
SUPFAMi | SSF46911, SSF46911, 1 hit |
TIGRFAMsi | TIGR00165, S18, 1 hit |
PROSITEi | View protein in PROSITE PS00057, RIBOSOMAL_S18, 1 hit |
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
P0A7T7-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MARYFRRRKF CRFTAEGVQE IDYKDIATLK NYITESGKIV PSRITGTRAK
60 70
YQRQLARAIK RARYLSLLPY TDRHQ
Experimental Info
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sequence conflicti | 24 | K → E AA sequence (PubMed:776663).Curated | 1 |
Mass spectrometryi
Molecular mass is 8897.0 Da. Determined by MALDI. 1 Publication
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | X04022 Genomic DNA Translation: CAA27654.1 U14003 Genomic DNA Translation: AAA97098.1 U00096 Genomic DNA Translation: AAC77159.1 AP009048 Genomic DNA Translation: BAE78203.1 |
PIRi | S56427, R3EC18 |
RefSeqi | NP_418623.1, NC_000913.3 WP_000135199.1, NZ_STEB01000013.1 |
Genome annotation databases
EnsemblBacteriai | AAC77159; AAC77159; b4202 BAE78203; BAE78203; BAE78203 |
GeneIDi | 9123105 948721 |
KEGGi | ecj:JW4160 eco:b4202 |
PATRICi | fig|1411691.4.peg.2499 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | X04022 Genomic DNA Translation: CAA27654.1 U14003 Genomic DNA Translation: AAA97098.1 U00096 Genomic DNA Translation: AAC77159.1 AP009048 Genomic DNA Translation: BAE78203.1 |
PIRi | S56427, R3EC18 |
RefSeqi | NP_418623.1, NC_000913.3 WP_000135199.1, NZ_STEB01000013.1 |
3D structure databases
Select the link destinations: PDBei RCSB PDBi PDBji Links Updated | PDB entry | Method | Resolution (Å) | Chain | Positions | PDBsum |
1M5G | model | - | R | 5-75 | [»] | |
2YKR | electron microscopy | 9.80 | R | 20-74 | [»] | |
3J9Y | electron microscopy | 3.90 | r | 1-75 | [»] | |
3J9Z | electron microscopy | 3.60 | SR | 2-75 | [»] | |
3JA1 | electron microscopy | 3.60 | SR | 2-75 | [»] | |
3JBU | electron microscopy | 3.64 | R | 1-75 | [»] | |
3JBV | electron microscopy | 3.32 | R | 1-75 | [»] | |
3JCD | electron microscopy | 3.70 | r | 1-75 | [»] | |
3JCE | electron microscopy | 3.20 | r | 1-75 | [»] | |
3JCJ | electron microscopy | 3.70 | 1 | 1-75 | [»] | |
3JCN | electron microscopy | 4.60 | u | 1-75 | [»] | |
4A2I | electron microscopy | 16.50 | R | 20-74 | [»] | |
4ADV | electron microscopy | 13.50 | R | 2-75 | [»] | |
4U1U | X-ray | 2.95 | AR/CR | 20-74 | [»] | |
4U1V | X-ray | 3.00 | AR/CR | 20-74 | [»] | |
4U20 | X-ray | 2.90 | AR/CR | 20-74 | [»] | |
4U24 | X-ray | 2.90 | AR/CR | 20-74 | [»] | |
4U25 | X-ray | 2.90 | AR/CR | 20-74 | [»] | |
4U26 | X-ray | 2.80 | AR/CR | 20-74 | [»] | |
4U27 | X-ray | 2.80 | AR/CR | 20-74 | [»] | |
4V47 | electron microscopy | 12.30 | BR | 2-75 | [»] | |
4V48 | electron microscopy | 11.50 | BR | 2-75 | [»] | |
4V4H | X-ray | 3.46 | AR/CR | 1-75 | [»] | |
4V4Q | X-ray | 3.46 | AR/CR | 2-75 | [»] | |
4V4V | electron microscopy | 15.00 | AR | 7-75 | [»] | |
4V4W | electron microscopy | 15.00 | AR | 7-75 | [»] | |
4V50 | X-ray | 3.22 | AR/CR | 2-75 | [»] | |
4V52 | X-ray | 3.21 | AR/CR | 2-75 | [»] | |
4V53 | X-ray | 3.54 | AR/CR | 2-75 | [»] | |
4V54 | X-ray | 3.30 | AR/CR | 2-75 | [»] | |
4V55 | X-ray | 4.00 | AR/CR | 2-75 | [»] | |
4V56 | X-ray | 3.93 | AR/CR | 2-75 | [»] | |
4V57 | X-ray | 3.50 | AR/CR | 2-75 | [»] | |
4V5B | X-ray | 3.74 | BR/DR | 2-75 | [»] | |
4V5H | electron microscopy | 5.80 | AR | 20-74 | [»] | |
4V5Y | X-ray | 4.45 | AR/CR | 2-75 | [»] | |
4V64 | X-ray | 3.50 | AR/CR | 2-75 | [»] | |
4V65 | electron microscopy | 9.00 | AK | 1-75 | [»] | |
4V66 | electron microscopy | 9.00 | AK | 1-75 | [»] | |
4V69 | electron microscopy | 6.70 | AR | 20-74 | [»] | |
4V6C | X-ray | 3.19 | AR/CR | 1-75 | [»] | |
4V6D | X-ray | 3.81 | AR/CR | 1-75 | [»] | |
4V6E | X-ray | 3.71 | AR/CR | 1-75 | [»] | |
4V6K | electron microscopy | 8.25 | BV | 1-75 | [»] | |
4V6L | electron microscopy | 13.20 | AV | 1-75 | [»] | |
4V6M | electron microscopy | 7.10 | AR | 2-75 | [»] | |
4V6N | electron microscopy | 12.10 | BU | 2-75 | [»] | |
4V6O | electron microscopy | 14.70 | AU | 2-75 | [»] | |
4V6P | electron microscopy | 13.50 | AU | 2-75 | [»] | |
4V6Q | electron microscopy | 11.50 | AU | 2-75 | [»] | |
4V6R | electron microscopy | 11.50 | AU | 2-75 | [»] | |
4V6S | electron microscopy | 13.10 | BT | 2-75 | [»] | |
4V6T | electron microscopy | 8.30 | AR | 20-74 | [»] | |
4V6V | electron microscopy | 9.80 | AR | 2-75 | [»] | |
4V6Y | electron microscopy | 12.00 | AR | 20-74 | [»] | |
4V6Z | electron microscopy | 12.00 | AR | 20-74 | [»] | |
4V70 | electron microscopy | 17.00 | AR | 20-74 | [»] | |
4V71 | electron microscopy | 20.00 | AR | 20-74 | [»] | |
4V72 | electron microscopy | 13.00 | AR | 20-74 | [»] | |
4V73 | electron microscopy | 15.00 | AR | 20-74 | [»] | |
4V74 | electron microscopy | 17.00 | AR | 20-74 | [»] | |
4V75 | electron microscopy | 12.00 | AR | 20-74 | [»] | |
4V76 | electron microscopy | 17.00 | AR | 20-74 | [»] | |
4V77 | electron microscopy | 17.00 | AR | 20-74 | [»] | |
4V78 | electron microscopy | 20.00 | AR | 20-74 | [»] | |
4V79 | electron microscopy | 15.00 | AR | 20-74 | [»] | |
4V7A | electron microscopy | 9.00 | AR | 20-74 | [»] | |
4V7B | electron microscopy | 6.80 | AR | 1-75 | [»] | |
4V7C | electron microscopy | 7.60 | AR | 2-75 | [»] | |
4V7D | electron microscopy | 7.60 | BR | 2-75 | [»] | |
4V7I | electron microscopy | 9.60 | BR | 1-75 | [»] | |
4V7S | X-ray | 3.25 | AR/CR | 20-74 | [»] | |
4V7T | X-ray | 3.19 | AR/CR | 20-74 | [»] | |
4V7U | X-ray | 3.10 | AR/CR | 20-74 | [»] | |
4V7V | X-ray | 3.29 | AR/CR | 20-74 | [»] | |
4V85 | X-ray | 3.20 | AR | 1-75 | [»] | |
4V89 | X-ray | 3.70 | AR | 1-75 | [»] | |
4V9C | X-ray | 3.30 | AR/CR | 1-75 | [»] | |
4V9D | X-ray | 3.00 | AR/BR | 20-74 | [»] | |
4V9O | X-ray | 2.90 | BR/DR/FR/HR | 1-75 | [»] | |
4V9P | X-ray | 2.90 | BR/DR/FR/HR | 1-75 | [»] | |
4WF1 | X-ray | 3.09 | AR/CR | 20-74 | [»] | |
4WOI | X-ray | 3.00 | AR/DR | 1-75 | [»] | |
4WWW | X-ray | 3.10 | QR/XR | 20-74 | [»] | |
4YBB | X-ray | 2.10 | AR/BR | 20-74 | [»] | |
5AFI | electron microscopy | 2.90 | r | 1-75 | [»] | |
5H5U | electron microscopy | 3.00 | y | 2-75 | [»] | |
5IQR | electron microscopy | 3.00 | w | 1-75 | [»] | |
5IT8 | X-ray | 3.12 | AR/BR | 20-74 | [»] | |
5J5B | X-ray | 2.80 | AR/BR | 20-74 | [»] | |
5J7L | X-ray | 3.00 | AR/BR | 20-74 | [»] | |
5J88 | X-ray | 3.32 | AR/BR | 20-74 | [»] | |
5J8A | X-ray | 3.10 | AR/BR | 20-74 | [»] | |
5J91 | X-ray | 2.96 | AR/BR | 20-74 | [»] | |
5JC9 | X-ray | 3.03 | AR/BR | 20-74 | [»] | |
5JTE | electron microscopy | 3.60 | AR | 1-75 | [»] | |
5JU8 | electron microscopy | 3.60 | AR | 1-75 | [»] | |
5KCR | electron microscopy | 3.60 | 1r | 1-75 | [»] | |
5KCS | electron microscopy | 3.90 | 1r | 1-75 | [»] | |
5KPS | electron microscopy | 3.90 | 23 | 1-75 | [»] | |
5KPV | electron microscopy | 4.10 | 22 | 1-75 | [»] | |
5KPW | electron microscopy | 3.90 | 22 | 1-75 | [»] | |
5KPX | electron microscopy | 3.90 | 22 | 1-75 | [»] | |
5L3P | electron microscopy | 3.70 | r | 1-75 | [»] | |
5LZA | electron microscopy | 3.60 | r | 10-74 | [»] | |
5LZB | electron microscopy | 5.30 | r | 10-74 | [»] | |
5LZC | electron microscopy | 4.80 | r | 10-74 | [»] | |
5LZD | electron microscopy | 3.40 | r | 10-74 | [»] | |
5LZE | electron microscopy | 3.50 | r | 10-74 | [»] | |
5LZF | electron microscopy | 4.60 | r | 10-74 | [»] | |
5MDV | electron microscopy | 2.97 | w | 1-75 | [»] | |
5MDW | electron microscopy | 3.06 | w | 1-75 | [»] | |
5MDY | electron microscopy | 3.35 | w | 1-75 | [»] | |
5MDZ | electron microscopy | 3.10 | w | 1-75 | [»] | |
5ME0 | electron microscopy | 13.50 | R | 1-75 | [»] | |
5ME1 | electron microscopy | 13.50 | R | 1-75 | [»] | |
5MGP | electron microscopy | 3.10 | r | 10-74 | [»] | |
5MY1 | electron microscopy | 7.60 | R | 2-75 | [»] | |
5NO2 | electron microscopy | 5.16 | R | 20-74 | [»] | |
5NO3 | electron microscopy | 5.16 | R | 20-74 | [»] | |
5NO4 | electron microscopy | 5.16 | R | 20-74 | [»] | |
5NP6 | electron microscopy | 3.60 | U | 10-74 | [»] | |
5NWY | electron microscopy | 2.93 | H | 1-75 | [»] | |
5O2R | electron microscopy | 3.40 | r | 10-74 | [»] | |
5U4I | electron microscopy | 3.50 | r | 1-75 | [»] | |
5U9F | electron microscopy | 3.20 | R | 1-75 | [»] | |
5U9G | electron microscopy | 3.20 | R | 1-75 | [»] | |
5UYK | electron microscopy | 3.90 | R | 10-74 | [»] | |
5UYL | electron microscopy | 3.60 | R | 10-74 | [»] | |
5UYM | electron microscopy | 3.20 | R | 10-74 | [»] | |
5UYN | electron microscopy | 4.00 | R | 10-74 | [»] | |
5UYP | electron microscopy | 3.90 | R | 10-74 | [»] | |
5UYQ | electron microscopy | 3.80 | R | 10-74 | [»] | |
5WDT | electron microscopy | 3.00 | r | 10-74 | [»] | |
5WE4 | electron microscopy | 3.10 | r | 10-74 | [»] | |
5WE6 | electron microscopy | 3.40 | r | 10-74 | [»] | |
5WFK | electron microscopy | 3.40 | r | 10-74 | [»] | |
6BU8 | electron microscopy | 3.50 | R | 10-74 | [»] | |
6BY1 | X-ray | 3.94 | AR/BR | 20-74 | [»] | |
6C4I | electron microscopy | 3.24 | r | 10-75 | [»] | |
6ENF | electron microscopy | 3.20 | r | 10-74 | [»] | |
6ENJ | electron microscopy | 3.70 | r | 10-74 | [»] | |
6ENU | electron microscopy | 3.10 | r | 10-74 | [»] | |
6GWT | electron microscopy | 3.80 | r | 10-74 | [»] | |
6GXM | electron microscopy | 3.80 | r | 10-74 | [»] | |
6GXN | electron microscopy | 3.90 | r | 10-74 | [»] | |
6GXO | electron microscopy | 3.90 | r | 10-74 | [»] | |
6GXP | electron microscopy | 4.40 | r | 10-74 | [»] | |
6H4N | electron microscopy | 3.00 | r | 10-74 | [»] | |
6H58 | electron microscopy | 7.90 | r/rr | 10-74 | [»] | |
6HRM | electron microscopy | 2.96 | w | 10-75 | [»] | |
6I7V | X-ray | 2.90 | AR/BR | 20-74 | [»] | |
6O9J | electron microscopy | 3.90 | r | 20-74 | [»] | |
6O9K | electron microscopy | 4.00 | r | 20-73 | [»] | |
6OFX | electron microscopy | 3.30 | W | 10-74 | [»] | |
6OG7 | electron microscopy | 3.30 | W | 10-74 | [»] | |
6ORE | electron microscopy | 2.90 | w | 10-75 | [»] | |
6ORL | electron microscopy | 3.50 | w | 10-75 | [»] | |
6OST | electron microscopy | 4.20 | w | 10-75 | [»] | |
6OT3 | electron microscopy | 3.90 | w | 10-75 | [»] | |
6OUO | electron microscopy | 3.70 | w | 10-75 | [»] | |
6Q97 | electron microscopy | 3.90 | w | 10-74 | [»] | |
6Q98 | electron microscopy | 4.30 | w | 1-75 | [»] | |
6Q9A | electron microscopy | 3.70 | w | 10-75 | [»] | |
6SZS | electron microscopy | 3.06 | r | 1-75 | [»] | |
6TBV | electron microscopy | 2.70 | S181 | 1-75 | [»] | |
6TC3 | electron microscopy | 2.70 | S181 | 1-75 | [»] | |
6VWL | electron microscopy | 3.10 | q | 1-75 | [»] | |
6VWM | electron microscopy | 3.40 | q | 1-75 | [»] | |
6VWN | electron microscopy | 3.40 | q | 1-75 | [»] | |
6WD6 | electron microscopy | 3.70 | W | 10-74 | [»] | |
6WDB | electron microscopy | 4.00 | W | 10-74 | [»] | |
6WDC | electron microscopy | 4.20 | W | 10-74 | [»] | |
6WDD | electron microscopy | 3.20 | W | 10-74 | [»] | |
6WDE | electron microscopy | 3.00 | W | 10-74 | [»] | |
6WDF | electron microscopy | 3.30 | W | 10-74 | [»] | |
6WDG | electron microscopy | 3.30 | W | 10-74 | [»] | |
6WDH | electron microscopy | 4.30 | W | 10-74 | [»] | |
6WDI | electron microscopy | 4.00 | W | 10-74 | [»] | |
6WDJ | electron microscopy | 3.70 | W | 10-74 | [»] | |
6WDK | electron microscopy | 3.60 | W | 10-74 | [»] | |
6WDL | electron microscopy | 3.70 | W | 10-74 | [»] | |
6WDM | electron microscopy | 3.60 | W | 10-74 | [»] | |
6WNV | electron microscopy | 3.50 | W | 10-74 | [»] | |
6WNW | electron microscopy | 3.20 | W | 10-74 | [»] | |
6XE0 | electron microscopy | 6.80 | R | 20-74 | [»] | |
6Y69 | electron microscopy | 2.86 | r | 10-74 | [»] | |
SMRi | P0A7T7 | |||||
ModBasei | Search... | |||||
PDBe-KBi | Search... |
Protein-protein interaction databases
BioGRIDi | 853013, 2 interactors |
ComplexPortali | CPX-3802, 30S small ribosomal subunit |
DIPi | DIP-47889N |
IntActi | P0A7T7, 29 interactors |
STRINGi | 511145.b4202 |
Chemistry databases
ChEMBLi | CHEMBL2363090 |
PTM databases
iPTMneti | P0A7T7 |
Proteomic databases
jPOSTi | P0A7T7 |
PaxDbi | P0A7T7 |
PRIDEi | P0A7T7 |
Genome annotation databases
EnsemblBacteriai | AAC77159; AAC77159; b4202 BAE78203; BAE78203; BAE78203 |
GeneIDi | 9123105 948721 |
KEGGi | ecj:JW4160 eco:b4202 |
PATRICi | fig|1411691.4.peg.2499 |
Organism-specific databases
EchoBASEi | EB0910 |
Phylogenomic databases
eggNOGi | COG0238, Bacteria |
HOGENOMi | CLU_148710_2_3_6 |
InParanoidi | P0A7T7 |
PhylomeDBi | P0A7T7 |
Enzyme and pathway databases
BioCyci | EcoCyc:EG10917-MONOMER MetaCyc:EG10917-MONOMER |
Miscellaneous databases
EvolutionaryTracei | P0A7T7 |
PROi | PR:P0A7T7 |
Family and domain databases
DisProti | DP00146 |
Gene3Di | 4.10.640.10, 1 hit |
HAMAPi | MF_00270, Ribosomal_S18, 1 hit |
InterProi | View protein in InterPro IPR001648, Ribosomal_S18 IPR018275, Ribosomal_S18_CS IPR036870, Ribosomal_S18_sf |
Pfami | View protein in Pfam PF01084, Ribosomal_S18, 1 hit |
PRINTSi | PR00974, RIBOSOMALS18 |
SUPFAMi | SSF46911, SSF46911, 1 hit |
TIGRFAMsi | TIGR00165, S18, 1 hit |
PROSITEi | View protein in PROSITE PS00057, RIBOSOMAL_S18, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | RS18_ECOLI | |
Accessioni | P0A7T7Primary (citable) accession number: P0A7T7 Secondary accession number(s): P02374, Q2M6A3 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | July 21, 1986 |
Last sequence update: | January 23, 2007 | |
Last modified: | December 2, 2020 | |
This is version 154 of the entry and version 2 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Prokaryotic Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
3D-structure, Direct protein sequencing, Reference proteomeDocuments
- PDB cross-references
Index of Protein Data Bank (PDB) cross-references - SIMILARITY comments
Index of protein domains and families - Ribosomal proteins
Ribosomal proteins families and list of entries