ID F5ZDS7_ALTNA Unreviewed; 218 AA.
AC F5ZDS7;
DT 27-JUL-2011, integrated into UniProtKB/TrEMBL.
DT 27-JUL-2011, sequence version 1.
DT 27-MAR-2024, entry version 64.
DE RecName: Full=Ribonuclease T {ECO:0000256|HAMAP-Rule:MF_00157};
DE EC=3.1.13.- {ECO:0000256|HAMAP-Rule:MF_00157};
DE AltName: Full=Exoribonuclease T {ECO:0000256|HAMAP-Rule:MF_00157};
DE Short=RNase T {ECO:0000256|HAMAP-Rule:MF_00157};
GN Name=rnt {ECO:0000256|HAMAP-Rule:MF_00157};
GN OrderedLocusNames=ambt_12595 {ECO:0000313|EMBL:AEF04039.1};
OS Alteromonas naphthalenivorans.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Alteromonadaceae; Alteromonas/Salinimonas group; Alteromonas.
OX NCBI_TaxID=715451 {ECO:0000313|EMBL:AEF04039.1, ECO:0000313|Proteomes:UP000000683};
RN [1] {ECO:0000313|EMBL:AEF04039.1, ECO:0000313|Proteomes:UP000000683}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 17741 / KACC 18427 / KCTC 11700BP / SN2
RC {ECO:0000313|Proteomes:UP000000683};
RX PubMed=21705606; DOI=10.1128/JB.05252-11;
RA Jin H.M., Jeong H., Moon E.J., Math R.K., Lee K., Kim H.J., Jeon C.O.,
RA Oh T.K., Kim J.F.;
RT "Complete genome sequence of the polycyclic aromatic hydrocarbon-degrading
RT bacterium Alteromonas sp. strain SN2.";
RL J. Bacteriol. 193:4292-4293(2011).
CC -!- FUNCTION: Trims short 3' overhangs of a variety of RNA species, leaving
CC a one or two nucleotide 3' overhang. Responsible for the end-turnover
CC of tRNA: specifically removes the terminal AMP residue from uncharged
CC tRNA (tRNA-C-C-A). Also appears to be involved in tRNA biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_00157}.
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00157};
CC Note=Binds two Mg(2+) per subunit. The active form of the enzyme binds
CC two Mg(2+) ions in its active site. The first Mg(2+) forms only one
CC salt bridge with the protein. {ECO:0000256|HAMAP-Rule:MF_00157};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00157}.
CC -!- SIMILARITY: Belongs to the RNase T family. {ECO:0000256|HAMAP-
CC Rule:MF_00157}.
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DR EMBL; CP002339; AEF04039.1; -; Genomic_DNA.
DR RefSeq; WP_013784970.1; NC_015554.1.
DR AlphaFoldDB; F5ZDS7; -.
DR KEGG; alt:ambt_12595; -.
DR eggNOG; COG0847; Bacteria.
DR HOGENOM; CLU_082724_0_0_6; -.
DR OrthoDB; 9778264at2; -.
DR Proteomes; UP000000683; Chromosome.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR GO; GO:0016896; F:RNA exonuclease activity, producing 5'-phosphomonoesters; IEA:UniProtKB-UniRule.
DR GO; GO:0006259; P:DNA metabolic process; IEA:UniProt.
DR GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-KW.
DR CDD; cd06134; RNaseT; 1.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR HAMAP; MF_00157; RNase_T; 1.
DR InterPro; IPR013520; Exonuclease_RNaseT/DNA_pol3.
DR InterPro; IPR005987; RNase_T.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR036397; RNaseH_sf.
DR NCBIfam; TIGR01298; RNaseT; 1.
DR PANTHER; PTHR30231; DNA POLYMERASE III SUBUNIT EPSILON; 1.
DR PANTHER; PTHR30231:SF2; RIBONUCLEASE T; 1.
DR Pfam; PF00929; RNase_T; 1.
DR SMART; SM00479; EXOIII; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
PE 3: Inferred from homology;
KW Exonuclease {ECO:0000256|ARBA:ARBA00022839, ECO:0000256|HAMAP-
KW Rule:MF_00157};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00157, ECO:0000313|EMBL:AEF04039.1};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00157};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00157};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_00157};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00157}.
FT DOMAIN 16..201
FT /note="Exonuclease"
FT /evidence="ECO:0000259|SMART:SM00479"
FT ACT_SITE 179
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT BINDING 21
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT BINDING 21
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT BINDING 23
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT BINDING 179
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT BINDING 184
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT SITE 27
FT /note="Important for substrate binding and specificity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT SITE 75
FT /note="Important for substrate binding and specificity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT SITE 122
FT /note="Important for substrate binding and specificity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
FT SITE 144
FT /note="Important for substrate binding and specificity"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00157"
SQ SEQUENCE 218 AA; 23931 MW; 83F8465CCA8F93F1 CRC64;
MSELHHSLPH RFRGYFPVVI DVETAGFNAG TDALLEIAAV TVKMEEDGLI YPDQTFHYHV
DPFEGANLEP AALEFNGIDP HCALRGAIEE SEAMKSLCKG IRKAQKDADC QRSVIVAHNA
TFDQSFVNAA IARCNIKRTP FHPFVSFDTT SLAGLTLGQT VLVKACRAAG IEFDQKEAHS
ALYDAQKTTE LFCFMVNRYK ALGGWPLAGE PISPDEPC
//
