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Protein

30S ribosomal protein S21

Gene

rpsU

Organism
Escherichia coli (strain K12)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

GO - Molecular functioni

  • rRNA binding Source: UniProtKB-KW
  • structural constituent of ribosome Source: CAFA

GO - Biological processi

  • ribosomal small subunit assembly Source: CAFA
  • translation Source: InterPro

Keywordsi

Molecular functionRibonucleoprotein, Ribosomal protein, RNA-binding, rRNA-binding

Enzyme and pathway databases

BioCyciEcoCyc:EG10920-MONOMER
MetaCyc:EG10920-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
30S ribosomal protein S21
Alternative name(s):
Small ribosomal subunit protein bS211 Publication
Gene namesi
Name:rpsU
Ordered Locus Names:b3065, JW3037
OrganismiEscherichia coli (strain K12)
Taxonomic identifieri83333 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia
Proteomesi
  • UP000000318 Componenti: Chromosome
  • UP000000625 Componenti: Chromosome

Organism-specific databases

EcoGeneiEG10920 rpsU

Subcellular locationi

GO - Cellular componenti

  • cytosol Source: EcoCyc
  • cytosolic small ribosomal subunit Source: CAFA

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemoved1 Publication
ChainiPRO_00001783322 – 7130S ribosomal protein S21Add BLAST70

Proteomic databases

EPDiP68679
PaxDbiP68679
PRIDEiP68679

Interactioni

Subunit structurei

Part of the 30S ribosomal subunit (PubMed:765257, PubMed:10094780, PubMed:7556101, PubMed:16272117, PubMed:27934701, PubMed:27906160, PubMed:27906161).7 Publications

Protein-protein interaction databases

DIPiDIP-47839N
IntActiP68679 27 interactors.
STRINGi316385.ECDH10B_3240

Structurei

Secondary structure

171
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi5 – 7Combined sources3
Helixi19 – 22Combined sources4
Turni24 – 27Combined sources4
Helixi28 – 32Combined sources5
Beta strandi38 – 40Combined sources3
Helixi41 – 45Combined sources5
Turni46 – 50Combined sources5
Helixi51 – 53Combined sources3

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
2YKRelectron microscopy9.80U4-54[»]
3J9Yelectron microscopy3.90u1-71[»]
3J9Zelectron microscopy3.60SU2-71[»]
3JA1electron microscopy3.60SU2-71[»]
3JBUelectron microscopy3.64U1-71[»]
3JBVelectron microscopy3.32U1-71[»]
3JCDelectron microscopy3.70u1-71[»]
3JCEelectron microscopy3.20u1-71[»]
3JCJelectron microscopy3.7021-71[»]
3JCNelectron microscopy4.60w1-71[»]
4A2Ielectron microscopy16.50U4-54[»]
4ADVelectron microscopy13.50U1-71[»]
4U1UX-ray2.95AU/CU4-54[»]
4U1VX-ray3.00AU/CU4-54[»]
4U20X-ray2.90AU/CU4-54[»]
4U24X-ray2.90AU/CU4-54[»]
4U25X-ray2.90AU/CU4-54[»]
4U26X-ray2.80AU/CU4-54[»]
4U27X-ray2.80AU/CU4-54[»]
4V4HX-ray3.46AU/CU1-71[»]
4V4QX-ray3.46AU/CU1-71[»]
4V50X-ray3.22AU/CU2-71[»]
4V52X-ray3.21AU/CU2-71[»]
4V53X-ray3.54AU/CU2-71[»]
4V54X-ray3.30AU/CU2-71[»]
4V55X-ray4.00AU/CU2-71[»]
4V56X-ray3.93AU/CU2-71[»]
4V57X-ray3.50AU/CU2-71[»]
4V5BX-ray3.74BU/DU1-71[»]
4V5Helectron microscopy5.80AU4-54[»]
4V5YX-ray4.45AU/CU2-71[»]
4V64X-ray3.50AU/CU1-71[»]
4V65electron microscopy9.00AQ1-71[»]
4V66electron microscopy9.00AQ1-71[»]
4V69electron microscopy6.70AU4-54[»]
4V6CX-ray3.19AU/CU1-71[»]
4V6DX-ray3.81AU/CU1-71[»]
4V6EX-ray3.71AU/CU1-71[»]
4V6Kelectron microscopy8.25BY1-71[»]
4V6Lelectron microscopy13.20AY1-71[»]
4V6Melectron microscopy7.10AU2-71[»]
4V6Nelectron microscopy12.10BX2-71[»]
4V6Oelectron microscopy14.70AX2-71[»]
4V6Pelectron microscopy13.50AX2-71[»]
4V6Qelectron microscopy11.50AX2-71[»]
4V6Relectron microscopy11.50AX2-71[»]
4V6Selectron microscopy13.10BW2-71[»]
4V6Telectron microscopy8.30AU4-54[»]
4V6Velectron microscopy9.80AU2-71[»]
4V6Yelectron microscopy12.00AU4-54[»]
4V6Zelectron microscopy12.00AU4-54[»]
4V70electron microscopy17.00AU4-54[»]
4V71electron microscopy20.00AU4-54[»]
4V72electron microscopy13.00AU4-54[»]
4V73electron microscopy15.00AU4-54[»]
4V74electron microscopy17.00AU4-54[»]
4V75electron microscopy12.00AU4-54[»]
4V76electron microscopy17.00AU4-54[»]
4V77electron microscopy17.00AU4-54[»]
4V78electron microscopy20.00AU4-54[»]
4V79electron microscopy15.00AU4-54[»]
4V7Aelectron microscopy9.00AU4-54[»]
4V7Belectron microscopy6.80AU1-71[»]
4V7Celectron microscopy7.60AU2-71[»]
4V7Delectron microscopy7.60BU2-71[»]
4V7Ielectron microscopy9.60BU1-71[»]
4V7SX-ray3.25AU/CU4-54[»]
4V7TX-ray3.19AU/CU4-54[»]
4V7UX-ray3.10AU/CU4-54[»]
4V7VX-ray3.29AU/CU4-54[»]
4V85X-ray3.20U1-71[»]
4V89X-ray3.70AU1-71[»]
4V9CX-ray3.30AU/CU1-71[»]
4V9DX-ray3.00AU/BU4-54[»]
4V9OX-ray2.90BU/DU/FU/HU1-71[»]
4V9PX-ray2.90BU/DU/FU/HU1-71[»]
4WF1X-ray3.09AU/CU4-54[»]
4WOIX-ray3.00AU/DU1-71[»]
4WWWX-ray3.10QU/XU4-54[»]
4YBBX-ray2.10AU/BU2-57[»]
5AFIelectron microscopy2.90u1-71[»]
5H5Uelectron microscopy3.0022-71[»]
5IQRelectron microscopy3.00z1-71[»]
5J5BX-ray2.80AU/BU2-57[»]
5J7LX-ray3.00AU/BU2-57[»]
5J88X-ray3.32AU/BU2-57[»]
5J8AX-ray3.10AU/BU2-57[»]
5J91X-ray2.96AU/BU2-57[»]
5JC9X-ray3.03AU/BU2-57[»]
5JTEelectron microscopy3.60AU1-71[»]
5JU8electron microscopy3.60AU1-71[»]
5KCRelectron microscopy3.601u1-71[»]
5KCSelectron microscopy3.901u1-71[»]
5KPSelectron microscopy3.90261-71[»]
5KPVelectron microscopy4.10251-71[»]
5KPWelectron microscopy3.90251-71[»]
5KPXelectron microscopy3.90251-71[»]
5L3Pelectron microscopy3.70u1-71[»]
5LZAelectron microscopy3.60u4-68[»]
5LZBelectron microscopy5.30u4-68[»]
5LZCelectron microscopy4.80u4-68[»]
5LZDelectron microscopy3.40u4-68[»]
5LZEelectron microscopy3.50u4-68[»]
5LZFelectron microscopy4.60u4-68[»]
5MDVelectron microscopy2.97z1-71[»]
5MDWelectron microscopy3.06z1-71[»]
5MDYelectron microscopy3.35z1-71[»]
5MDZelectron microscopy3.10z1-71[»]
5ME0electron microscopy13.50U1-71[»]
5ME1electron microscopy13.50U1-71[»]
5MGPelectron microscopy3.10u4-68[»]
5MY1electron microscopy7.60U1-71[»]
5NP6electron microscopy3.60X4-68[»]
5NWYelectron microscopy2.93K1-71[»]
5O2Relectron microscopy3.40u4-68[»]
5U4Ielectron microscopy3.50u1-71[»]
5U9Felectron microscopy3.20U1-71[»]
5U9Gelectron microscopy3.20U1-71[»]
5UYKelectron microscopy3.90U4-68[»]
5UYLelectron microscopy3.60U4-68[»]
5UYMelectron microscopy3.20U4-68[»]
5UYNelectron microscopy4.00U4-68[»]
5UYPelectron microscopy3.90U4-68[»]
5UYQelectron microscopy3.80U4-68[»]
6BU8electron microscopy3.50U4-68[»]
6C4Ielectron microscopy3.24u1-71[»]
6ENFelectron microscopy3.20u4-68[»]
6ENJelectron microscopy3.70u4-68[»]
6ENUelectron microscopy3.10u4-68[»]
ProteinModelPortaliP68679
SMRiP68679
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP68679

Family & Domainsi

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG0828 LUCA
HOGENOMiHOG000157460
InParanoidiP68679
KOiK02970
OMAiFKRSCQK
PhylomeDBiP68679

Family and domain databases

Gene3Di1.20.5.11501 hit
HAMAPiMF_00358 Ribosomal_S21, 1 hit
InterProiView protein in InterPro
IPR001911 Ribosomal_S21
IPR018278 Ribosomal_S21_CS
IPR038380 S21_sf
PANTHERiPTHR21109 PTHR21109, 1 hit
PfamiView protein in Pfam
PF01165 Ribosomal_S21, 1 hit
PRINTSiPR00976 RIBOSOMALS21
ProDomiView protein in ProDom or Entries sharing at least one domain
PD005521 Ribosomal_S21, 1 hit
TIGRFAMsiTIGR00030 S21p, 1 hit
PROSITEiView protein in PROSITE
PS01181 RIBOSOMAL_S21, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P68679-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MPVIKVRENE PFDVALRRFK RSCEKAGVLA EVRRREFYEK PTTERKRAKA
60 70
SAVKRHAKKL ARENARRTRL Y
Length:71
Mass (Da):8,500
Last modified:January 23, 2007 - v2
Checksum:iB2E8A18BFBB2F685
GO

Mass spectrometryi

Molecular mass is 8368.8 Da from positions 2 - 71. Determined by MALDI. 1 Publication

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
J01687 Genomic DNA Translation: AAA24599.1
V00346 Genomic DNA Translation: CAA23635.1
U28379 Genomic DNA Translation: AAA89145.1
U00096 Genomic DNA Translation: AAC76101.1
AP009048 Genomic DNA Translation: BAE77116.1
PIRiA02749 R3EC21
RefSeqiNP_417537.1, NC_000913.3
WP_001144069.1, NZ_LN832404.1

Genome annotation databases

EnsemblBacteriaiAAC76101; AAC76101; b3065
BAE77116; BAE77116; BAE77116
GeneIDi947577
9732014
KEGGiecj:JW3037
eco:b3065
PATRICifig|1411691.4.peg.3665

Similar proteinsi

Entry informationi

Entry nameiRS21_ECOLI
AccessioniPrimary (citable) accession number: P68679
Secondary accession number(s): P02379, Q2M9E0, Q8ZI69
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: January 23, 2007
Last modified: April 25, 2018
This is version 131 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome