ID A0A1B8GC47_9PEZI Unreviewed; 454 AA.
AC A0A1B8GC47;
DT 02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2016, sequence version 1.
DT 13-SEP-2023, entry version 26.
DE RecName: Full=Methylthioribose-1-phosphate isomerase {ECO:0000256|HAMAP-Rule:MF_03119};
DE Short=M1Pi {ECO:0000256|HAMAP-Rule:MF_03119};
DE Short=MTR-1-P isomerase {ECO:0000256|HAMAP-Rule:MF_03119};
DE EC=5.3.1.23 {ECO:0000256|HAMAP-Rule:MF_03119};
DE AltName: Full=S-methyl-5-thioribose-1-phosphate isomerase {ECO:0000256|HAMAP-Rule:MF_03119};
DE AltName: Full=Translation initiation factor eIF-2B subunit alpha/beta/delta-like protein {ECO:0000256|HAMAP-Rule:MF_03119};
GN Name=MRI1 {ECO:0000256|HAMAP-Rule:MF_03119,
GN ECO:0000313|EMBL:OBT93404.1};
GN ORFNames=VE01_08770 {ECO:0000313|EMBL:OBT93404.1};
OS Pseudogymnoascus verrucosus.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Leotiomycetes;
OC Leotiomycetes incertae sedis; Pseudeurotiaceae; Pseudogymnoascus.
OX NCBI_TaxID=342668 {ECO:0000313|EMBL:OBT93404.1, ECO:0000313|Proteomes:UP000091956};
RN [1] {ECO:0000313|EMBL:OBT93404.1, ECO:0000313|Proteomes:UP000091956}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=UAMH 10579 {ECO:0000313|EMBL:OBT93404.1,
RC ECO:0000313|Proteomes:UP000091956};
RA Palmer J.M., Drees K.P., Foster J.T., Lindner D.L.;
RT "Comparative genomics of Pseudogymnoascus destructans, the fungus causing
RT white-nose syndrome of bats.";
RL Submitted (MAR-2016) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Proteomes:UP000091956}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=UAMH 10579 {ECO:0000313|Proteomes:UP000091956};
RX PubMed=29295979; DOI=10.1038/s41467-017-02441-z;
RA Palmer J.M., Drees K.P., Foster J.T., Lindner D.L.;
RT "Extreme sensitivity to ultraviolet light in the fungal pathogen causing
RT white-nose syndrome of bats.";
RL Nat. Commun. 9:35-35(2018).
CC -!- FUNCTION: Catalyzes the interconversion of methylthioribose-1-phosphate
CC (MTR-1-P) into methylthioribulose-1-phosphate (MTRu-1-P).
CC {ECO:0000256|HAMAP-Rule:MF_03119}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=S-methyl-5-thio-alpha-D-ribose 1-phosphate = S-methyl-5-thio-
CC D-ribulose 1-phosphate; Xref=Rhea:RHEA:19989, ChEBI:CHEBI:58533,
CC ChEBI:CHEBI:58548; EC=5.3.1.23; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03119};
CC -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via salvage
CC pathway; L-methionine from S-methyl-5-thio-alpha-D-ribose 1-phosphate:
CC step 1/6. {ECO:0000256|HAMAP-Rule:MF_03119}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03119}.
CC Nucleus {ECO:0000256|HAMAP-Rule:MF_03119}.
CC -!- SIMILARITY: Belongs to the eIF-2B alpha/beta/delta subunits family.
CC MtnA subfamily. {ECO:0000256|HAMAP-Rule:MF_03119}.
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DR EMBL; KV460254; OBT93404.1; -; Genomic_DNA.
DR RefSeq; XP_018127137.1; XM_018278189.1.
DR AlphaFoldDB; A0A1B8GC47; -.
DR STRING; 342668.A0A1B8GC47; -.
DR GeneID; 28842156; -.
DR OrthoDB; 4853at2759; -.
DR UniPathway; UPA00904; UER00874.
DR Proteomes; UP000091956; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0046523; F:S-methyl-5-thioribose-1-phosphate isomerase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0019509; P:L-methionine salvage from methylthioadenosine; IEA:UniProtKB-UniPathway.
DR GO; GO:0019284; P:L-methionine salvage from S-adenosylmethionine; IEA:UniProtKB-UniRule.
DR Gene3D; 1.20.120.420; translation initiation factor eif-2b, domain 1; 1.
DR HAMAP; MF_01678; Salvage_MtnA; 1.
DR InterPro; IPR000649; IF-2B-related.
DR InterPro; IPR005251; IF-M1Pi.
DR InterPro; IPR042529; IF_2B-like_C.
DR InterPro; IPR011559; Initiation_fac_2B_a/b/d.
DR InterPro; IPR027363; M1Pi_N.
DR InterPro; IPR037171; NagB/RpiA_transferase-like.
DR NCBIfam; TIGR00524; eIF-2B_rel; 1.
DR NCBIfam; TIGR00512; salvage_mtnA; 1.
DR PANTHER; PTHR43475; METHYLTHIORIBOSE-1-PHOSPHATE ISOMERASE; 1.
DR PANTHER; PTHR43475:SF1; METHYLTHIORIBOSE-1-PHOSPHATE ISOMERASE; 1.
DR Pfam; PF01008; IF-2B; 1.
DR SUPFAM; SSF100950; NagB/RpiA/CoA transferase-like; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_03119}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03119};
KW Isomerase {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_03119};
KW Methionine biosynthesis {ECO:0000256|ARBA:ARBA00023167, ECO:0000256|HAMAP-
KW Rule:MF_03119}; Nucleus {ECO:0000256|HAMAP-Rule:MF_03119};
KW Reference proteome {ECO:0000313|Proteomes:UP000091956}.
FT ACT_SITE 290
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03119"
FT SITE 206
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03119"
SQ SEQUENCE 454 AA; 49358 MW; 4BB74C615AB7A418 CRC64;
MSALQAIKYT RGKLEVLDQL RLPHESVYDD VSTCEQAFDC IKSMRVRGAP AIAIVAALAL
AVELANADLN QSSVDGQLKY VHDKLDYLMG SRPTAVDLSN AIRLLKMTVN AAAIAEADRT
SNRTAQPDAA VIREAYIKAA EKILEDDLQT NLAIGRYGAE YLRRQQLPVL SPENDADDLR
YFTTSPPGTQ GAPDRTYRKL SVLTHCNTGS LATSGHGTAL GIIRSLHKMN YLDHAYCTET
RPYNQGARLT AFELVYEKIP STLITDSMAG ALFARLKTEK NISAVIVGAD RVARNGDTAN
KIGTYSLAVL AKFHGIKFIV AAPTTSIDLE TVTGSDIVIE NRPQKELTQI SGAVVDKEGN
VDVSDTRRVA VAHQGIDVWN PSFDVTPHAL IDAIITEKGE VVRSANGTFS FQHIMPARWK
QQVEKTESVE VAALSGKASV ADSEEGTQFK LELV
//
