SPB1_CRYNB
ID SPB1_CRYNB Reviewed; 908 AA.
AC P0CS79; Q55XQ3; Q5KM86;
DT 28-JUN-2011, integrated into UniProtKB/Swiss-Prot.
DT 28-JUN-2011, sequence version 1.
DT 03-AUG-2022, entry version 47.
DE RecName: Full=AdoMet-dependent rRNA methyltransferase SPB1 {ECO:0000255|HAMAP-Rule:MF_03163};
DE EC=2.1.1.- {ECO:0000255|HAMAP-Rule:MF_03163};
DE AltName: Full=2'-O-ribose RNA methyltransferase {ECO:0000255|HAMAP-Rule:MF_03163};
DE AltName: Full=S-adenosyl-L-methionine-dependent methyltransferase {ECO:0000255|HAMAP-Rule:MF_03163};
GN Name=SPB1 {ECO:0000255|HAMAP-Rule:MF_03163}; OrderedLocusNames=CNBB3110;
OS Cryptococcus neoformans var. neoformans serotype D (strain B-3501A)
OS (Filobasidiella neoformans).
OC Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Tremellomycetes;
OC Tremellales; Cryptococcaceae; Cryptococcus;
OC Cryptococcus neoformans species complex.
OX NCBI_TaxID=283643;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B-3501A;
RX PubMed=15653466; DOI=10.1126/science.1103773;
RA Loftus B.J., Fung E., Roncaglia P., Rowley D., Amedeo P., Bruno D.,
RA Vamathevan J., Miranda M., Anderson I.J., Fraser J.A., Allen J.E.,
RA Bosdet I.E., Brent M.R., Chiu R., Doering T.L., Donlin M.J., D'Souza C.A.,
RA Fox D.S., Grinberg V., Fu J., Fukushima M., Haas B.J., Huang J.C.,
RA Janbon G., Jones S.J.M., Koo H.L., Krzywinski M.I., Kwon-Chung K.J.,
RA Lengeler K.B., Maiti R., Marra M.A., Marra R.E., Mathewson C.A.,
RA Mitchell T.G., Pertea M., Riggs F.R., Salzberg S.L., Schein J.E.,
RA Shvartsbeyn A., Shin H., Shumway M., Specht C.A., Suh B.B., Tenney A.,
RA Utterback T.R., Wickes B.L., Wortman J.R., Wye N.H., Kronstad J.W.,
RA Lodge J.K., Heitman J., Davis R.W., Fraser C.M., Hyman R.W.;
RT "The genome of the basidiomycetous yeast and human pathogen Cryptococcus
RT neoformans.";
RL Science 307:1321-1324(2005).
CC -!- FUNCTION: Required for proper assembly of pre-ribosomal particles
CC during the biogenesis of the 60S ribosomal subunit. {ECO:0000255|HAMAP-
CC Rule:MF_03163}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a ribonucleotide in rRNA + S-adenosyl-L-methionine = a 2'-O-
CC methylribonucleotide in rRNA + H(+) + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:48628, Rhea:RHEA-COMP:12164, Rhea:RHEA-COMP:12165,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:90675, ChEBI:CHEBI:90676; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_03163};
CC -!- SUBUNIT: Component of the nucleolar and nucleoplasmic pre-60S ribosomal
CC particle. {ECO:0000255|HAMAP-Rule:MF_03163}.
CC -!- SUBCELLULAR LOCATION: Nucleus, nucleolus {ECO:0000255|HAMAP-
CC Rule:MF_03163}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. RNA methyltransferase RlmE family. SPB1 subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_03163}.
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DR EMBL; AAEY01000010; EAL22432.1; -; Genomic_DNA.
DR RefSeq; XP_777079.1; XM_771986.1.
DR AlphaFoldDB; P0CS79; -.
DR EnsemblFungi; AAW41873; AAW41873; CNB02570.
DR EnsemblFungi; EAL22432; EAL22432; CNBB3110.
DR GeneID; 4934404; -.
DR KEGG; cnb:CNBB3110; -.
DR VEuPathDB; FungiDB:CNBB3110; -.
DR HOGENOM; CLU_009422_8_1_1; -.
DR Proteomes; UP000001435; Chromosome 2.
DR GO; GO:0005730; C:nucleolus; IEA:UniProtKB-SubCell.
DR GO; GO:0030687; C:preribosome, large subunit precursor; IEA:UniProtKB-UniRule.
DR GO; GO:0070039; F:rRNA (guanosine-2'-O-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008650; F:rRNA (uridine-2'-O-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000453; P:enzyme-directed rRNA 2'-O-methylation; IEA:UniProtKB-UniRule.
DR GO; GO:0000466; P:maturation of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA); IEA:EnsemblFungi.
DR GO; GO:0000463; P:maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA); IEA:EnsemblFungi.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_01547; RNA_methyltr_E; 1.
DR HAMAP; MF_03163; RNA_methyltr_E_SPB1; 1.
DR InterPro; IPR002877; RNA_MeTrfase_FtsJ_dom.
DR InterPro; IPR015507; rRNA-MeTfrase_E.
DR InterPro; IPR012920; rRNA_MeTfrase_SPB1-like_C.
DR InterPro; IPR024576; rRNA_MeTfrase_Spb1_DUF3381.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR028589; SPB1-like.
DR Pfam; PF11861; DUF3381; 1.
DR Pfam; PF01728; FtsJ; 1.
DR Pfam; PF07780; Spb1_C; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
PE 3: Inferred from homology;
KW Coiled coil; Methyltransferase; Nucleus; Ribosome biogenesis;
KW rRNA processing; S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..908
FT /note="AdoMet-dependent rRNA methyltransferase SPB1"
FT /id="PRO_0000410271"
FT REGION 440..513
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 535..715
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 806..841
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COILED 378..422
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03163"
FT COMPBIAS 469..491
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 492..513
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 548..563
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 564..581
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 588..606
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 648..709
FT /note="Acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 819..841
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 158
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03163"
FT BINDING 57
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03163"
FT BINDING 59
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03163"
FT BINDING 77
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03163"
FT BINDING 93
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03163"
FT BINDING 118
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03163"
SQ SEQUENCE 908 AA; 102094 MW; D5E51A001B75FAA5 CRC64;
MGKHDKKTGK GRLDKFYRLA KEQGYRARSA FKLVHLNRKY DLLSKARCCI DLCAAPGGWL
QVAEKYMPKG SLIIGVDLNA IKPLPHVTTF VADITTPHCR QTLRQHMHDW KADLVLHDGA
PNVGSAWVQD AFTQNELVLQ SLKLATEFLA KGGSFVTKVF RSQDYNSLLW VFGQLFKSVE
ATKPPSSRNV SAEIFVVCRD FIAPKHIDPK FLDPKHVFKD IASLPTSITE PTDTSIAPTS
SSTASAAAAA ARLAANSHAH SNVYAPEKKR RHREGYAEGD YTLHHTASAE EFVRGQDPVL
LLGNMNKIEF RNETEKGWLK SRHTTPDIIA NFEDLKVLGK GDFKALMKWR LAIRLEIGLD
VKADKTQDAT EEVVVEPMDE EEQITEELQK LQQAKLAKTK RERKRANEKK ARELLKLQLN
MTVPDDLDQN DLALQGEEEI FDLEEGENEA RRRGKNGGLA TLVDDGEGMD LASESEEEED
EDEEDDEVLD SDEERERKTA ALEGELDGLY DSYVERKKER DAKWKVKQDR LKDKNFDAWH
GIQEKSDEEG SDDDDGQDDD EEGGWDVIAQ KKAKYGEGDS SDSDSDAEPE TEVPKKIKKV
SFEKPARSEK SSGLMTSLRE PELRAQRSKQ AQLWFDQPVF KEVGDLAALD GDDEEEEEED
ESEEEESDDE DVDMEDASES SSTLEGDDDF EIVPQAPEDD GPEWDVDDED QDEVKKKVIQ
DKGLLTAEAV SLATALVNRK TTADKLIDQG FNRLSAHNKD GLPTWFLDDE SQFYKPNIPI
TKEAVDALRA RQRALDARPI KKVAEAKGRK KMKAVARMEK AKKKADGVME SEEMGDGEKA
RQVRRMLARA AKGKEKAKEK KIVVAKGVNK GVKGRPTGVK GKYKIVDARM RKEVRALKRI
KKAGSKRR
