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. 2020 Aug 5;215(3):531–568. doi: 10.1534/genetics.119.301807

Table 2 . C. elegans orthologs of human spliceosome component proteins.

C. elegans Human Ortholog Domains Description
snr-2 SNRPB/Sm B/B’ LSm Sm protein (Common in U1, U2, U4 and U5 snRNPs)
snr-3 SNRPDl/Sm D1 LSm Sm protein (Common in U1, U2, U4 and U5 snRNPs)
snr-4 SNRPD2/Sm D2 LSm Sm protein (Common in U1, U2, U4 and U5 snRNPs)
snr-1 SNRPD3/Sm D3 LSm Sm protein (Common in U1, U2, U4 and U5 snRNPs)
snr-6 SNRPE/Sm E LSm Sm protein (Common in U1, U2, U4 and U5 snRNPs)
snr-5 SNRPF/Sm F LSm Sm protein (Common in U1, U2, U4 and U5 snRNPs)
snr-7 SNRPG/Sm G LSm Sm protein (Common in U1, U2, U4 and U5 snRNPs)
gut-2 LSM2/Lsm2 LSm LSm protein (U6 snRNP)
lsm-3 LSM3/Lsm3 LSm LSm protein (U6 snRNP)
lsm-4 LSM4/Lsm4 LSm LSm protein (U6 snRNP)
lsm-5 LSM5/Lsm5 LSm LSm protein (U6 snRNP)
lsm-6 LSM6/Lsm6 LSm LSm protein (U6 snRNP)
lsm-7 LSM7/Lsm7 LSm LSm protein (U6 snRNP)
lsm-8 LSM8/Lsm8 LSm LSm protein (U6 snRNP)
rnp-7 SNRNP70/U1-70K U1 snRNP70, RRM U1 snRNP
rnp-2 SNRPA/U1A RRM U1 snRNP
snrp-3 SNRPC/U1C U1 Zn finger U1 snRNP
prp-40 PRPF40A/FBP11 WW, FF U1 snRNP
rbm-25 RBM25/S164 RRM, PWI U1 snRNP
ddx-17 DDX5/p68 DEAD-box helicase U1 snRNP
tcer-1, tcer-2 TCERG1/CA150 WW, FF U1 snRNP
mog-2 SNRPA1/U2A’ Leucine-rich repeat U2 snRNP
rnp-3 SNRPB2/U2B” RRM U2 snRNP
prp-21 SF3A1/SF3a120 SWAP, PRP21-like, Ubiquitin U2 snRNP
repo-1 SF3A2/SF3a66 C2H2 Zn finger U2 snRNP
prp-9 SF3A3/SF3a60 SF3a60 binding U2 snRNP
sftb-1 SF3B1/SF3b155 Sf3b1 U2 snRNP
sftb-2 SF3B2/SF3b150 Proline-rich U2 snRNP
teg-4 SF3B3/SF3b130 MMS1, CPSF A subunit region U2 snRNP
sap-49 SF3B4/SF3b49 RRM U2 snRNP
moa-2 SF3B5/SF3b10 SF3b10 U2 snRNP
sftb-6 SF3B6/SF3b14a RRM U2 snRNP
phf-5 PHF5A/SF3b14b PHD-finger U2 snRNP
snu-13 SNU13/hSnu13 L7Ae U4/U6 snRNP
prp-31 PRPF31/hPrp31 snoRNA binding, Prp31 U4/U6 snRNP
prp-3 PRPF3/hPrp3 PWI, PRP3 U4/U6 snRNP
prp-4 PRPF4/hPrp4 PRP4-like, WD40 repeat U4/U6 snRNP
cyn-11 PPIH/hCypH Peptidyl-prolyl cis-trans isomerase U4/U6 snRNP
prp-8 PRPF8/hPrp8 PROCN, RRM, U5-snRNA binding, U6-snRNA interacting, PRP8 domain IV, MPN, PROCT U5 snRNP
snrp-200 SNRNP200/hBrr2 DEAD/DEAH box helicase U5 snRNP
eftu-2 EFTUD2/hSnu114 GTP-binding, Elongation factor Tu, Elongation factor G U5 snRNP
snrp-40.1, snrp-40.2 SNRNP40/U5-40K WD40 repeat U5 snRNP
prp-6 PRPF6/hPrp6 PRP1, TPR U5 snRNP
teg-1 CD2BP2/hLin1 GYF U5 snRNP
dib-1 TXNL4A/hDib1 DIM1 U5 snRNP
ddx-23 DDX23/hPrp28 DEAD-box helicase U5 snRNP
snrp-27 SNRNP27/U4/U6.U5-27K U4/U6.U5 tri-snRNP
usp-39 USP39/hSad1 Ubiquitin-hydrolases Zn finger, Ubiquitin carboxyl-terminal hydrolase U4/U6.U5 tri-snRNP
sart-1 SART1/hSnu66 SART-1 U4/U6.U5 tri-snRNP
rbm-42 RBM42 RRM U4/U6.U5 tri-snRNP
uaf-1 U2AF2/U2AF65 RRM U2 related
uaf-2 U2AF1/U2AF35 CCCH Zn finger, RRM U2 related
rnp-6 PUF60 RRM U2 related
smr-1 SMNDC1/SPF30 SMN U2 related
dnj-30 DNAJC8/SPF31 DnaJ U2 related
rbm-17 RBM17/SPF45 G-patch, RRM U2 related
tag-65 CHERP SWAP, CTD-binding, G-patch U2 related
sap-140 U2SURP/SR140 RRM, SWAP, cwf21 U2 related
ddx-15 DHX15/PRP43 DEAH-box helicase U2 related
ddx-46 DDX46 DEAD-box helicase U2 related
hel-1 DDX39B/UAP56 DExD/H-box helicase Transcription and export (TREX) complex
aly-1, aly-2, aly-3 ALYREF/Aly/REF RRM, Fop Transcription and export (TREX) complex
thoc-1 THOC1 Thoc1, Death domain Transcription and export (TREX) complex
thoc-2 THOC2 Thoc2 Transcription and export (TREX) complex
thoc-3 THOC3 WD40 repeat, WD40- like beta propeller repeat Transcription and export (TREX) complex
luc-7L LUC7L LUC7 A complex protein
prp-39 PRPF39 PRP39 A complex protein
tiar-1, tiar-2, tiar-3 TIA1 RRM, Q-rich A complex protein
bub-3 BUB3 WD40 repeat A complex protein
- TRIR/MGC2803 TRIR A complex protein
- SUGP1/SF4 SWAP, G-patch A complex protein
ccar-1 CCAR1/FLJ10839 S1-like RNA binding, DBC1, SAP A complex protein
cdk-11.1, cdk-11.2 CDK11A/CDC2L2 Protein kinase A complex protein
cus-2 HTATSF1/Tat SF1 RRM A complex protein
fust-1 FUS/TLS RRM, RanBP Zn finger A complex protein
rbm-5 RBM5 RRM, RanBP Zn finger, G-patch A complex protein
rbm-5 RBM10 RRM, RanBP Zn finger, G-patch A complex protein
sfa-1 SF1 KH, CCHC Zn finger A complex protein
bud-13 BUD13/MGC13125 Bud13 RES complex
pmlr-1 SNIP1 FHA RES complex
rbmx-2 RBMX2/CGI-79 RRM RES complex
snu-23 ZMAT2/hSnu23 dsRNA-binding Zn finger B complex protein
prp-38 PRPF38A/hPrp38 PRP38 B complex protein
mfap-1 MFAP1 MFAP1 B complex protein
ubl-5 UBL5 Ubiquitin B complex protein
smu-2 IK/RED RED-like B complex protein
smu-1 SMU1 WD40 repeat B complex protein
multiple genes HSPB1/HSP27 Hsp20 B complex protein
dxbp-1 KIN/HsKin17 Kin17 curved DNA-binding B complex protein
mtr-4 MTREX/Skiv2L2 DEAD/DEAH box helicase B complex protein
prpf-4 PRPF4B/hPrp4 kinase Protein kinase B complex protein
pqbp-1.1, pqbp-1.2 PQBP1/NPW38 WW B complex protein
wbp-11 WBP11/NPW38BP WBP11 B complex protein
wbp-4 WBP4/FBP21 U1 Zn finger, WW B complex protein
mog-4 DHX16/hPrp2 DEAD/DEAH box helicase Bact complex protein
let-858 CWC22/KIAA1604 MIF4G, MA3 Bact complex protein
rnf-113 RNF113A CCCH Zn finger, RING finger Bact complex protein
cyn-16 CWC27/NY-CO-10 Peptidyl-prolyl cis-trans isomerase Bact complex protein
cyn-4 PPIL2 Rtf2 RING finger, Peptidyl-prolyl cis-trans isomerase Bact complex protein
ccdc-12 CCDC12 cwf18 Bact complex protein
cyn-10 PPIL3/PPIL3b Peptidyl-prolyl cis-trans isomerase Bact complex protein
gkow-1 GPKOW/hSPP2 G-patch, KOW Bact complex protein
prp-19 PRPF19/Prp19 U-box, PRP19-like, WD40 repeat Prp19 complex (nineteen complex, NTC)
cdc-5L CDC5L/CDC5 Myb-like DNA-binding, Cdc5p/Cef1 Prp19 complex (nineteen complex, NTC)
bcas-2 BCAS2/SPF27 BCAS2 Prp19 complex (nineteen complex, NTC)
syf-1 XAB2/hSyf1 TPR Prp19 complex (nineteen complex, NTC)
syf-2 SYF2/GCIP p29 SYF2 Prp19 complex (nineteen complex, NTC)
syf-3 CRNKL1/hSyf3 HAT repeat Prp19 complex (nineteen complex, NTC)
isy-1 ISY1/hIsy1 Isy1-like Prp19 complex (nineteen complex, NTC)
ctnb-1 CTNNBL1/catenin beta like 1 Catenin-beta-like Prp19 complex (nineteen complex, NTC)
hsp-1, hsp-70, F44E5.4, F44E5.5, F11F1.1 HSPA8/Hsp73 Hsp70 Prp19 complex (nineteen complex, NTC)
rbm-22 RBM22 RRM NTC-related (NTR) complex
skp-1 SNW1/SKIP SKIP/SNW NTC-related (NTR) complex
bud-31 BUD31/G10 G10 NTC-related (NTR) complex
cyn-12 PPIL1 Peptidyl-prolyl cis-trans isomerase NTC-related (NTR) complex
cwc-15 CWC15/AD-002 Cwf15/Cwc15 NTC-related (NTR) complex
plrg-1 PLRG1/PRL1 WD40 repeat NTC-related (NTR) complex
emb-4 AQR/Aquarius AAA NTC-related (NTR) complex
sel-13 ZNF830/CCDC16 C2H2 Zn finger Intron-binding complex (IBC)
cyn-13 PPIE/CypE RRM, Peptidyl-prolyl cis-trans isomerase Intron-binding complex (IBC)
cwf-19L2 CWF19L2 CwfJ Intron-binding complex (IBC)
F33D11.10, Y65B4A.6 EIF4A3/eIF4A3 DEAD/DEAH box helicase Exon junction complex (EJC)
mag-1 MAGOH Mago nashi Exon junction complex (EJC)
rnp-4 RBM8A/Y14 RRM Exon junction complex (EJC)
casc-3 CASC3/MLN51 Btz Exon junction complex (EJC)
mog-1 DHX38/hPrp16 DEAH-box helicase Step 1 factor
yju-2 YJU2/CCDC94 YJU2 Step 1 factor
mog-3 CWC25/CCDC49 CIR, CWC25 Step 1 factor
sacy-1 DDX41/Abstrakt DEAD-box helicase C complex protein
cacn-1 CACTIN Cactin C complex protein
ddx-35 DHX35/DDX35 DEAH-box helicase C complex protein
gpch-1 GPATCH1/Q9BRR8 G-patch C complex protein
cyn-15 PPWD1 WD40 repeat, Peptidyl-prolyl cis-trans isomerase C complex protein
Y66D12A.8 CXorf56 UPF0428 C complex protein
T23G11.4 C9orf78 HCA59 C complex protein
cyn-8 PPIG Peptidyl-prolyl cis-trans isomerase C complex protein
C08H9.16 FRA10AC1 Fra10Ac1 C complex protein
frg-1 FRG1 FRG1-like C complex protein
wdr-83 WDR83/MORG1 WD40 repeat C complex protein
ess-2 ESS2/DGCR14 Es2 C complex protein
R05G6.4 NOSIP NOSIP C complex protein
sde-2 SDE2/C1orf55 Sde2 C complex protein
C47E8.4 FAM50A, FAM50B XAP5 C complex protein
K01G5.8 FAM32A FA32A C complex protein
rsr-2 SRRM2/SRm300 cwf21, SRRM C complex protein
prp-17 CDC40/hPrp17 WD40 repeat Step 2 factor
prp-18 PRPF18/hPrp18 PRP18 Step 2 factor
mog-5 DHX8/hPrp22 DEAH-box helicase Step 2 factor
sluh-7 SLU7 Pre-mRNA splicing Prp18-interacting factor Step 2 factor
F37A4.2 PRKRIP1 PRKRIP1 Step 2 factor

This table describes C. elegans orthologs or closest homologs of human spliceosomal protein components described in Wahl and Luhrmann (2015) with some updates.