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Protein

Ribonuclease 3

Gene

rnc

Organism
Streptococcus thermophilus (strain ATCC BAA-491 / LMD-9)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Digests double-stranded RNA. Involved in the processing of primary rRNA transcript to yield the immediate precursors to the large and small rRNAs (23S and 16S). Also processes some mRNAs, and tRNAs when they are encoded in the rRNA operon (By similarity).By similarity
CRISPR (clustered regularly interspaced short palindromic repeat) is an adaptive immune system that provides protection against mobile genetic elements (viruses, transposable elements and conjugative plasmids). CRISPR clusters contain spacers, sequences complementary to antecedent mobile elements, and target invading nucleic acids. CRISPR clusters are transcribed and processed into CRISPR RNA (crRNA). In this organism endogenous ribonuclease 3 and Cas9 are required for correct coprocessing of pre-crRNA and the trans-encoded small RNA (tracrRNA). Cas9, crRNA and tracrRNA are required for cleavage of invading DNA (Probable). Complements pre-crRNA and tracRNA coprocessing defects in an rnc deletion in S.pyogenes strain 370 (PubMed:24270795).Curated1 Publication

Catalytic activityi

Endonucleolytic cleavage to 5'-phosphomonoester.UniRule annotation

Cofactori

Mg2+UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi47MagnesiumUniRule annotation1
Active sitei51UniRule annotation1
Metal bindingi120MagnesiumUniRule annotation1
Active sitei123UniRule annotation1
Metal bindingi123MagnesiumUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Endonuclease, Hydrolase, Nuclease

Keywords - Biological processi

mRNA processing, rRNA processing, tRNA processing

Keywords - Ligandi

Magnesium, Metal-binding, RNA-binding, rRNA-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Ribonuclease 3UniRule annotation (EC:3.1.26.3UniRule annotation)
Alternative name(s):
Ribonuclease IIIUniRule annotation
Short name:
RNase IIIUniRule annotation
Gene namesi
Name:rncUniRule annotation
Ordered Locus Names:STER_1272
OrganismiStreptococcus thermophilus (strain ATCC BAA-491 / LMD-9)
Taxonomic identifieri322159 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10000758411 – 229Ribonuclease 3Add BLAST229

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliQ03K17.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini5 – 134RNase IIIUniRule annotationAdd BLAST130
Domaini160 – 229DRBMUniRule annotationAdd BLAST70

Sequence similaritiesi

Contains 1 DRBM (double-stranded RNA-binding) domain.UniRule annotation
Contains 1 RNase III domain.UniRule annotation

Phylogenomic databases

HOGENOMiHOG000246808.
KOiK03685.
OMAiLTHKSCK.

Family and domain databases

CDDicd00593. RIBOc. 1 hit.
Gene3Di1.10.1520.10. 1 hit.
3.30.160.20. 1 hit.
HAMAPiMF_00104. RNase_III. 1 hit.
InterProiIPR014720. dsRBD_dom.
IPR011907. RNase_III.
IPR000999. RNase_III_dom.
[Graphical view]
PfamiPF00035. dsrm. 1 hit.
PF14622. Ribonucleas_3_3. 1 hit.
[Graphical view]
SMARTiSM00358. DSRM. 1 hit.
SM00535. RIBOc. 1 hit.
[Graphical view]
SUPFAMiSSF69065. SSF69065. 1 hit.
TIGRFAMsiTIGR02191. RNaseIII. 1 hit.
PROSITEiPS50137. DS_RBD. 1 hit.
PS00517. RNASE_3_1. 1 hit.
PS50142. RNASE_3_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q03K17-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MNQLEQKLEQ DFGIVFSQKD LLETAFTHTS YANEHRLLNI SHNERLEFLG
60 70 80 90 100
DAALQLVISV YLYNRYPNKP EGEMSKMRST IVREESLAGF TKACGFEQYI
110 120 130 140 150
RLGKGEEKSG GRERATILGD LWEAFLGALY LDQGLPAVEK FLNQVMIPQV
160 170 180 190 200
EKGNFDRVID YKTALQERLQ VNGKVDITYT VIDESGPAHA KEFTMQVAVD
210 220
GKELSTGFGK SKKLAEQAAA KSALEQLGN
Length:229
Mass (Da):25,672
Last modified:November 14, 2006 - v1
Checksum:i25110ABFFFE99938
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000419 Genomic DNA. Translation: ABJ66455.1.
RefSeqiWP_011681316.1. NC_008532.1.

Genome annotation databases

EnsemblBacteriaiABJ66455; ABJ66455; STER_1272.
KEGGiste:STER_1272.
PATRICi19799904. VBIStrThe129203_1303.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000419 Genomic DNA. Translation: ABJ66455.1.
RefSeqiWP_011681316.1. NC_008532.1.

3D structure databases

ProteinModelPortaliQ03K17.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiABJ66455; ABJ66455; STER_1272.
KEGGiste:STER_1272.
PATRICi19799904. VBIStrThe129203_1303.

Phylogenomic databases

HOGENOMiHOG000246808.
KOiK03685.
OMAiLTHKSCK.

Family and domain databases

CDDicd00593. RIBOc. 1 hit.
Gene3Di1.10.1520.10. 1 hit.
3.30.160.20. 1 hit.
HAMAPiMF_00104. RNase_III. 1 hit.
InterProiIPR014720. dsRBD_dom.
IPR011907. RNase_III.
IPR000999. RNase_III_dom.
[Graphical view]
PfamiPF00035. dsrm. 1 hit.
PF14622. Ribonucleas_3_3. 1 hit.
[Graphical view]
SMARTiSM00358. DSRM. 1 hit.
SM00535. RIBOc. 1 hit.
[Graphical view]
SUPFAMiSSF69065. SSF69065. 1 hit.
TIGRFAMsiTIGR02191. RNaseIII. 1 hit.
PROSITEiPS50137. DS_RBD. 1 hit.
PS00517. RNASE_3_1. 1 hit.
PS50142. RNASE_3_2. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiRNC_STRTD
AccessioniPrimary (citable) accession number: Q03K17
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 20, 2008
Last sequence update: November 14, 2006
Last modified: November 2, 2016
This is version 66 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.