ID A0A166T443_9ACTN Unreviewed; 140 AA.
AC A0A166T443;
DT 06-JUL-2016, integrated into UniProtKB/TrEMBL.
DT 06-JUL-2016, sequence version 1.
DT 27-MAR-2024, entry version 31.
DE RecName: Full=Peptide methionine sulfoxide reductase MsrB {ECO:0000256|HAMAP-Rule:MF_01400};
DE EC=1.8.4.12 {ECO:0000256|HAMAP-Rule:MF_01400};
DE AltName: Full=Peptide-methionine (R)-S-oxide reductase {ECO:0000256|HAMAP-Rule:MF_01400};
GN Name=msrB {ECO:0000256|HAMAP-Rule:MF_01400};
GN ORFNames=UG55_100347 {ECO:0000313|EMBL:OAA29236.1};
OS Frankia sp. EI5c.
OC Bacteria; Actinomycetota; Actinomycetes; Frankiales; Frankiaceae; Frankia.
OX NCBI_TaxID=683316 {ECO:0000313|EMBL:OAA29236.1, ECO:0000313|Proteomes:UP000077018};
RN [1] {ECO:0000313|EMBL:OAA29236.1, ECO:0000313|Proteomes:UP000077018}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EI5c {ECO:0000313|EMBL:OAA29236.1,
RC ECO:0000313|Proteomes:UP000077018};
RX PubMed=27389275;
RA D'Angelo T., Oshone R., Abebe-Akele F., Simpson S., Morris K., Thomas W.K.,
RA Tisa L.S.;
RT "Permanent Draft Genome Sequence for Frankia sp. Strain EI5c, a Single-
RT Spore Isolate of a Nitrogen-Fixing Actinobacterium, Isolated from the Root
RT Nodules of Elaeagnus angustifolia.";
RL Genome Announc. 4:e00660-16(2016).
RN [2] {ECO:0000313|EMBL:OAA29236.1, ECO:0000313|Proteomes:UP000077018}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EI5c {ECO:0000313|EMBL:OAA29236.1,
RC ECO:0000313|Proteomes:UP000077018};
RA Wen L., He K., Yang H.;
RL Submitted (FEB-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[thioredoxin]-disulfide + H2O + L-methionyl-[protein] =
CC [thioredoxin]-dithiol + L-methionyl-(R)-S-oxide-[protein];
CC Xref=Rhea:RHEA:24164, Rhea:RHEA-COMP:10698, Rhea:RHEA-COMP:10700,
CC Rhea:RHEA-COMP:12313, Rhea:RHEA-COMP:12314, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:16044, ChEBI:CHEBI:29950, ChEBI:CHEBI:45764,
CC ChEBI:CHEBI:50058; EC=1.8.4.12; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_01400};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01400};
CC Note=Binds 1 zinc ion per subunit. The zinc ion is important for the
CC structural integrity of the protein. {ECO:0000256|HAMAP-Rule:MF_01400};
CC -!- SIMILARITY: Belongs to the MsrB Met sulfoxide reductase family.
CC {ECO:0000256|HAMAP-Rule:MF_01400}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OAA29236.1}.
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DR EMBL; LRTK01000003; OAA29236.1; -; Genomic_DNA.
DR RefSeq; WP_066061559.1; NZ_LRTK01000003.1.
DR AlphaFoldDB; A0A166T443; -.
DR STRING; 683316.UG55_100347; -.
DR PATRIC; fig|683316.3.peg.287; -.
DR Proteomes; UP000077018; Unassembled WGS sequence.
DR GO; GO:0033743; F:peptide-methionine (R)-S-oxide reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0030091; P:protein repair; IEA:InterPro.
DR GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
DR Gene3D; 2.170.150.20; Peptide methionine sulfoxide reductase; 1.
DR HAMAP; MF_01400; MsrB; 1.
DR InterPro; IPR028427; Met_Sox_Rdtase_MsrB.
DR InterPro; IPR002579; Met_Sox_Rdtase_MsrB_dom.
DR InterPro; IPR011057; Mss4-like_sf.
DR NCBIfam; TIGR00357; peptide-methionine (R)-S-oxide reductase MsrB; 1.
DR PANTHER; PTHR10173; METHIONINE SULFOXIDE REDUCTASE; 1.
DR PANTHER; PTHR10173:SF57; PEPTIDE-METHIONINE (R)-S-OXIDE REDUCTASE; 1.
DR Pfam; PF01641; SelR; 1.
DR SUPFAM; SSF51316; Mss4-like; 1.
DR PROSITE; PS51790; MSRB; 1.
PE 3: Inferred from homology;
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01400};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01400}; Reference proteome {ECO:0000313|Proteomes:UP000077018};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01400}.
FT DOMAIN 14..136
FT /note="MsrB"
FT /evidence="ECO:0000259|PROSITE:PS51790"
FT ACT_SITE 125
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 53
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 56
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 102
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 105
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
SQ SEQUENCE 140 AA; 15281 MW; E321EF506CB61D47 CRC64;
MSDTPTTGKV IRSDSEWREL LGPERYAILR QAATEAPFTG AYTYNKSDGV YQCGACEAPL
FTSDTKYDSG SGWPSFYQPV SPDALTTIED RSHGMTRTEV RCARCDSHLG HVFDDGPAPT
GQRYCMNSLA LTLDESAGPV
//
