P23829 (RS21_GEOSE) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
30S ribosomal protein S21

Gene names

Name:

rpsU

Organism

Geobacillus stearothermophilus (Bacillus stearothermophilus)

Taxonomic identifier

1422 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Bacillaceae › Geobacillus

Protein attributes

Sequence length	56 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at protein level

General annotation (Comments)

Sequence similarities

Belongs to the ribosomal protein S21P family.

Ontologies

Keywords
Molecular function	Ribonucleoprotein Ribosomal protein
Technical term	Direct protein sequencing
Gene Ontology (GO)
Biological process	translation Inferred from electronic annotation. Source: InterPro
Cellular component	ribosome Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	structural constituent of ribosome Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Initiator methionine	1	1	Removed Ref.1
	Chain	2 – 56	55	30S ribosomal protein S21 HAMAP MF_00358		PRO_0000178300

Sequences

	Sequence		Length	Mass (Da)
	P23829 [UniParc]. Last modified January 23, 2007. Version 2. Checksum: 23A6B284179A0195	FASTA	56	6,723
	10 20 30 40 50 MSKTIVRKNE SIDDALRRFK RAVSKTGTLQ EVRKREFYEK PSVRRKKKSE AARKRK

References

[1]

"The amino-acid sequences of the Bacillus stearothermophilus ribosomal proteins S17 and S21 and their comparison to homologous proteins of other ribosomes." Herfurth E., Hirano H., Wittmann-Liebold B. Biol. Chem. Hoppe-Seyler 372:955-961(1991) [PubMed: 1772592] [Abstract] Cited for: PROTEIN SEQUENCE OF 2-56. Strain: 799.

Cross-references

Sequence databases
PIR	S17866.
3D structure databases
ProteinModelPortal	P23829.
SMR	P23829. Positions 5-54.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
HAMAP	MF_00358. Ribosomal_S21. [Tree]
InterPro	IPR001911. Ribosomal_S21. IPR018278. Ribosomal_S21_CS. [Graphical view]
Pfam	PF01165. Ribosomal_S21. 1 hit. [Graphical view]
PRINTS	PR00976. RIBOSOMALS21.
ProDom	PD005521. Ribosomal_S21. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR00030. S21p. 1 hit.
PROSITE	PS01181. RIBOSOMAL_S21. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

RS21_GEOSE

Accession

Primary (citable) accession number: P23829

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1991
Last sequence update:	January 23, 2007
Last modified:	January 11, 2011
This is version 49 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program