ID H0JN08_9NOCA Unreviewed; 369 AA. AC H0JN08; DT 22-FEB-2012, integrated into UniProtKB/TrEMBL. DT 22-FEB-2012, sequence version 1. DT 27-MAR-2024, entry version 56. DE RecName: Full=Probable dual-specificity RNA methyltransferase RlmN {ECO:0000256|HAMAP-Rule:MF_01849}; DE EC=2.1.1.192 {ECO:0000256|HAMAP-Rule:MF_01849}; DE AltName: Full=23S rRNA (adenine(2503)-C(2))-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849}; DE AltName: Full=23S rRNA m2A2503 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849}; DE AltName: Full=Ribosomal RNA large subunit methyltransferase N {ECO:0000256|HAMAP-Rule:MF_01849}; DE AltName: Full=tRNA (adenine(37)-C(2))-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849}; DE AltName: Full=tRNA m2A37 methyltransferase {ECO:0000256|HAMAP-Rule:MF_01849}; GN Name=rlmN {ECO:0000256|HAMAP-Rule:MF_01849}; GN ORFNames=AK37_04927 {ECO:0000313|EMBL:EHK85269.1}; OS Rhodococcus pyridinivorans AK37. OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Nocardiaceae; OC Rhodococcus. OX NCBI_TaxID=1114960 {ECO:0000313|EMBL:EHK85269.1, ECO:0000313|Proteomes:UP000005064}; RN [1] {ECO:0000313|EMBL:EHK85269.1, ECO:0000313|Proteomes:UP000005064} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=AK37 {ECO:0000313|EMBL:EHK85269.1, RC ECO:0000313|Proteomes:UP000005064}; RA Kriszt B., Tancsics A., Cserhati M., Toth A., Nagy I., Horvath B., RA Tamura T., Kukolya J., Szoboszlay S.; RL Submitted (DEC-2011) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Specifically methylates position 2 of adenine 2503 in 23S CC rRNA and position 2 of adenine 37 in tRNAs. {ECO:0000256|HAMAP- CC Rule:MF_01849}. CC -!- CATALYTIC ACTIVITY: CC Reaction=adenosine(2503) in 23S rRNA + 2 reduced [2Fe-2S]-[ferredoxin] CC + 2 S-adenosyl-L-methionine = 2-methyladenosine(2503) in 23S rRNA + CC 5'-deoxyadenosine + L-methionine + 2 oxidized [2Fe-2S]-[ferredoxin] + CC S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:42916, Rhea:RHEA- CC COMP:10000, Rhea:RHEA-COMP:10001, Rhea:RHEA-COMP:10152, Rhea:RHEA- CC COMP:10282, ChEBI:CHEBI:17319, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, CC ChEBI:CHEBI:57844, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, CC ChEBI:CHEBI:74411, ChEBI:CHEBI:74497; EC=2.1.1.192; CC Evidence={ECO:0000256|HAMAP-Rule:MF_01849}; CC -!- CATALYTIC ACTIVITY: CC Reaction=adenosine(37) in tRNA + 2 reduced [2Fe-2S]-[ferredoxin] + 2 S- CC adenosyl-L-methionine = 2-methyladenosine(37) in tRNA + 5'- CC deoxyadenosine + L-methionine + 2 oxidized [2Fe-2S]-[ferredoxin] + S- CC adenosyl-L-homocysteine; Xref=Rhea:RHEA:43332, Rhea:RHEA-COMP:10000, CC Rhea:RHEA-COMP:10001, Rhea:RHEA-COMP:10162, Rhea:RHEA-COMP:10485, CC ChEBI:CHEBI:17319, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, CC ChEBI:CHEBI:57844, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, CC ChEBI:CHEBI:74411, ChEBI:CHEBI:74497; EC=2.1.1.192; CC Evidence={ECO:0000256|HAMAP-Rule:MF_01849}; CC -!- COFACTOR: CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; CC Evidence={ECO:0000256|HAMAP-Rule:MF_01849}; CC Note=Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3 CC cysteines and an exchangeable S-adenosyl-L-methionine. CC {ECO:0000256|HAMAP-Rule:MF_01849}; CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01849}. CC -!- MISCELLANEOUS: Reaction proceeds by a ping-pong mechanism involving CC intermediate methylation of a conserved cysteine residue. CC {ECO:0000256|HAMAP-Rule:MF_01849}. CC -!- SIMILARITY: Belongs to the radical SAM superfamily. RlmN family. CC {ECO:0000256|HAMAP-Rule:MF_01849}. CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01849}. 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:EHK85269.1}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AHBW01000031; EHK85269.1; -; Genomic_DNA. DR RefSeq; WP_006550981.1; NZ_AHBW01000031.1. DR AlphaFoldDB; H0JN08; -. DR PATRIC; fig|1114960.4.peg.996; -. DR Proteomes; UP000005064; Unassembled WGS sequence. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0070040; F:rRNA (adenine(2503)-C2-)-methyltransferase activity; IEA:UniProtKB-UniRule. DR GO; GO:0019843; F:rRNA binding; IEA:UniProtKB-UniRule. DR GO; GO:0002935; F:tRNA (adenine(37)-C2)-methyltransferase activity; IEA:UniProtKB-UniRule. DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule. DR GO; GO:0070475; P:rRNA base methylation; IEA:UniProtKB-UniRule. DR GO; GO:0030488; P:tRNA methylation; IEA:UniProtKB-UniRule. DR CDD; cd01335; Radical_SAM; 1. DR Gene3D; 1.10.150.530; -; 1. DR Gene3D; 3.20.20.70; Aldolase class I; 1. DR HAMAP; MF_01849; RNA_methyltr_RlmN; 1. DR InterPro; IPR013785; Aldolase_TIM. DR InterPro; IPR040072; Methyltransferase_A. DR InterPro; IPR048641; RlmN_N. DR InterPro; IPR027492; RNA_MTrfase_RlmN. DR InterPro; IPR004383; rRNA_lsu_MTrfase_RlmN/Cfr. DR InterPro; IPR007197; rSAM. DR NCBIfam; TIGR00048; rRNA_mod_RlmN; 1. DR PANTHER; PTHR30544; 23S RRNA METHYLTRANSFERASE; 1. DR PANTHER; PTHR30544:SF5; RADICAL SAM CORE DOMAIN-CONTAINING PROTEIN; 1. DR Pfam; PF04055; Radical_SAM; 1. DR Pfam; PF21016; RlmN_N; 1. DR PIRSF; PIRSF006004; CHP00048; 1. DR SFLD; SFLDF00275; adenosine_C2_methyltransferase; 1. DR SFLD; SFLDS00029; Radical_SAM; 1. DR SUPFAM; SSF102114; Radical SAM enzymes; 1. DR PROSITE; PS51918; RADICAL_SAM; 1. PE 3: Inferred from homology; KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_01849}; KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01849}; KW Disulfide bond {ECO:0000256|HAMAP-Rule:MF_01849}; KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01849}; KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP- KW Rule:MF_01849}; KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP- KW Rule:MF_01849}; KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP- KW Rule:MF_01849}; KW rRNA processing {ECO:0000256|ARBA:ARBA00022552, ECO:0000256|HAMAP- KW Rule:MF_01849}; KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP- KW Rule:MF_01849}; KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP- KW Rule:MF_01849}; KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP- KW Rule:MF_01849}. FT DOMAIN 114..351 FT /note="Radical SAM core" FT /evidence="ECO:0000259|PROSITE:PS51918" FT ACT_SITE 108 FT /note="Proton acceptor" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT ACT_SITE 362 FT /note="S-methylcysteine intermediate" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT BINDING 128 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT BINDING 132 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT BINDING 135 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT BINDING 183..184 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT BINDING 217 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT BINDING 240..242 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" FT BINDING 319 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000256|HAMAP-Rule:MF_01849" SQ SEQUENCE 369 AA; 39754 MW; BC12E39692529318 CRC64; MASSLPLVFD APKRGLPPRH LADLDADQRR DAVRELGLPA FRADQLARQY YGRLEADPAK MTDLPAAVRD KVGESLFPPL LSAVKHIACD GGETRKTLWR AHDGTLLESV LMRYPDRATL CISSQAGCGM ACPFCATGQG GLDRNLSTAE IVDQVRAAAA ALRDGDVAGG PGRLSNVVFM GMGEPLANYK RVVAAVRRIT SPAPEGLGLS QRSVTVSTVG LAPAIRRLAD EGLSVTLAVS LHTPDDELRD TLVPVNNRWP VAEVLEAARY YADKTGRRVS IEYALIRDVN DQPWRADMLG KKLHKALGSL VHVNLIPLNP TPGSEWDASP KDVEREFVRR VQAQGVSCTV RDTRGQEIAA ACGQLAAEG //