Entry
Name
rRNA small subunit pseudouridine methyltransferase Nep1;
Nep1;
nucleolar essential protein 1
Class
Transferases;
Transferring one-carbon groups;
Methyltransferases
BRITE hierarchy
Sysname
S-adenosyl-L-methionine:18S rRNA (pseudouridine1191-N1)-methyltransferase
Reaction(IUBMB)
S-adenosyl-L-methionine + pseudouridine1191 in yeast 18S rRNA = S-adenosyl-L-homocysteine + N1-methylpseudouridine1191 in yeast 18S rRNA
Substrate
S-adenosyl-L-methionine [CPD:
C00019 ];
pseudouridine1191 in yeast 18S rRNA
Product
S-adenosyl-L-homocysteine [CPD:
C00021 ];
N1-methylpseudouridine1191 in yeast 18S rRNA
Comment
This enzyme, which occurs in both prokaryotes and eukaryotes, recognizes specific pseudouridine residues (Psi) in small subunits of ribosomal RNA based on the local RNA structure. It recognizes Psi914 in 16S rRNA from the archaeon Methanocaldococcus jannaschii, Psi1191 in yeast 18S rRNA, and Psi1248 in human 18S rRNA.
History
EC 2.1.1.260 created 2012
Orthology
K14568 rRNA small subunit pseudouridine methyltransferase Nep1
Genes
VLG : 121479031 121479933(EMG1)
MYB : 102255915(EMG1) 102259485
MMYO : 118652149(EMG1) 118669435
MLF : 102432903(EMG1) 102437341
XLA : 108696043(emg1.L) 108697334(emg1.S)
SRX : 107744679 107748863 107748869
SANH : 107685516 107699927
CAUA : 113060146 113116236
CGIB : 127975197 128030988
PPRM : 120494997 120495047(emg1)
MASI : 127452743 127453765
SASA : 106575899 106576677(emg1)
STRU : 115177068 115188117
OTW : 112222507 112225964(emg1)
OGO : 123998131 124005668(emg1)
SALP : 111978624 112073656
SNH : 120031278 120047726(emg1)
CCLU : 121542993(emg1) 121586221
SCLV : 120335393 120335662
DSI : Dsimw501_GD16696(Dsim_GD16696)
CGLO : 123261087 123261102
CSET : 123314946 123319951
CFEL : 113384742 113385464
SGRE : 126284035 126325507
CEL : CELE_Y39A1A.14(emg-1)
RPHI : 132735909 132736221
SHX : MS3_00008789(EMG1_1)
CSAT : 104712361 104791988 109124664
CPAP : 110812141 110822583
MINC : 123213287 123227677
TCC : 108662772 18594442 18594471 18598769 18606478
GHI : 107945652 107948147 121210907
HSYR : 120135536 120139757 120155541 120201532 120201538 120205582
DZI : 111294256 111310622 111310623 111311459
CCAJ : 109788535 109790180 109790183 109790185 109793088 109793402 109805450 109806179 109807195 109809310
APRC : 113848239 113858104 113864443 113869699 113874198
MTR : 11421258 11430617 25495057
TPRA : 123891027 123905353 123911170
LJA : Lj0g3v0059639.1(Lj0g3v0059639.1) Lj0g3v0059639.2(Lj0g3v0059639.2) Lj6g3v1422200.1(Lj6g3v1422200.1)
ADU : 107471582 107473715 107473739 107474632 107484971 107484975
AIP : 107623952 107625027 107625439 107628217 107639564
AHF : 112727072 112727592 112729174 112739287 112743659 112745138 112784833 112795073 112797046 114924650
LANG : 109337047 109338763 109341912
PCIN : 129296662 129300104 129306350 129307213 129307220
PPER : 109946556 18771096 18791642 18793068
PMUM : 103319212 103319213 103342954
PAVI : 110744927 110744943 110762181
PDUL : 117613413 117615741 117634802
MDM : 103414257 103414415 103440456 103454576 114825745
MSYL : 126600579 126603499 126610801 126610811 126610824 126628459 126632800
PXB : 103931776 103932168 103937892 103945562 103945563 103945632 103955458 103965430 108867117
CSAV : 115701331 115711464 115720769
BHJ : 120080981 120081191 120091224
MCHA : 111016653 111018323
PEU : 105108005 105119554 105127605
PALZ : 118033308 118053091
QSU : 111988395 112038554 112038560
SPEN : 107007641 107027793 114075221
LBB : 132617048 132623307 132635715
NTA : 107767617 107769397 107807130 107808457 107808458
NSY : 104210861 104215215 104228511
NTO : 104084546 104084548 104100250 104103750
NAU : 109227456 109231110 109233240
SIND : 105162595 105171118 105179657
SSPL : 121747209 121751503 121766546 121768445 121772336
SMIL : 130987205 131022501
SHIS : 125208935 125215112
CSIN : 114314249 114314250 114314251 114320343
RVL : 131299712 131300084 131300085 131322784
BVG : 104893948 104895101 109134972
SOE : 110774752 110775425 110777573 110797674
CQI : 110682147 110696460 110696461 110699573 110703171 110711555 110714774 110714937 110714938 110735569
ATRI : 130809736 130809739 130827261
MING : 122067750 122078735
PSOM : 113275662 113281946
DOSA : Os02t0290400-01(Os02g0290400)
TDC : 119316998 119324536 119333589 119338228 119341921
TAES : 123127606 123137347 123144707 123154344 123161461 123162013
PVIR : 120655469 120675388 120698716 120707651
PHAI : 112893789 112894772
NCOL : 116253565 116254214 116254869
SMO : SELMODRAFT_115712 SELMODRAFT_407397
OTA : OT_ostta01g00910 OT_ostta18g01680
MPP : MICPUCDRAFT_49493(JGI:MicpuC2_49493)
NCS : NCAS_0A00500(NCAS0A00500)
NDI : NDAI_0F04300(NDAI0F04300)
TPF : TPHA_0B04640(TPHA0B04640)
TBL : TBLA_0A05270(TBLA0A05270)
TDL : TDEL_0C06380(TDEL0C06380)
KAF : KAFR_0D04030(KAFR0D04030)
KNG : KNAG_0F00380(KNAG0F00380)
CAL : CAALFM_C111380WA(NEP1)
NTE : NEUTE1DRAFT85901(NEUTE1DRAFT_85901)
FPOA : FPOAC1_011782(EMG1)
BFU : BCIN_02g05590(Bcemg1)
CCAC : CcaHIS019_0404980(NEP1)
PCO : PHACADRAFT_148630 PHACADRAFT_249163
CCI : CC1G_08243 CC1G_11376
ABP : AGABI1DRAFT35322(AGABI1DRAFT_35322)
ABV : AGABI2DRAFT67862(AGABI2DRAFT_67862)
SCM : SCHCO_02511131(SCHCODRAFT_02511131)
EHI : EHI_044610(3.t00130)
PMAL : PMUG01_05024600(NEP1)
PREL : PRELSG_0502400(NEP1)
TOT : TOT_010000511 TOT_030000270
BBO : BBOV_I002890 BBOV_III002060
BMIC : BMR1_01G00925 BmR1_04g05655
BBIG : BBBOND_0205650 BBBOND_0303850
PTM : GSPATT00008918001 GSPATT00011345001
SMIN : v1.2.003758.t1(symbB.v1.2.003758.t1)
AAF : AURANDRAFT_6205 AURANDRAFT_7809
EHX : EMIHUDRAFT_313005 EMIHUDRAFT_67063
TBR : Tb927.2.4980 Tb927.8.5040
TBG : TbgDal_II2990 TbgDal_VIII4840
TCR : 504741.110 508839.40
LMA : LMJF_16_1390 LMJF_27_2250
LIF : LINJ_16_1470 LINJ_27_2170
LDO : LDBPK_161470 LDBPK_272170
LMI : LMXM_16_1390 LMXM_27_2250
LBZ : LBRM_16_1450 LBRM_27_2430
LPAN : LPMP_161360 LPMP_272250
TVO : TVG1248551(TVG1248551)
PFM : Pyrfu_0092 Pyrfu_0309
PABI : PABY_01970 PABY_22460
PARE : PYJP_08380 PYJP_14160
LOKI : Lokiarch_13800(nep1)
» show all
Taxonomy
Reference
Authors
Taylor AB, Meyer B, Leal BZ, Kotter P, Schirf V, Demeler B, Hart PJ, Entian KD, Wohnert J
Title
The crystal structure of Nep1 reveals an extended SPOUT-class methyltransferase fold and a pre-organized SAM-binding site.
Journal
Sequence
Reference
Authors
Wurm JP, Meyer B, Bahr U, Held M, Frolow O, Kotter P, Engels JW, Heckel A, Karas M, Entian KD, Wohnert J
Title
The ribosome assembly factor Nep1 responsible for Bowen-Conradi syndrome is a pseudouridine-N1-specific methyltransferase.
Journal
Sequence
Reference
Authors
Meyer B, Wurm JP, Kotter P, Leisegang MS, Schilling V, Buchhaupt M, Held M, Bahr U, Karas M, Heckel A, Bohnsack MT, Wohnert J, Entian KD
Title
The Bowen-Conradi syndrome protein Nep1 (Emg1) has a dual role in eukaryotic ribosome biogenesis, as an essential assembly factor and in the methylation of Psi1191 in yeast 18S rRNA.
Journal
Other DBs
ExPASy - ENZYME nomenclature database: 2.1.1.260