Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

5MPS

Structure of a spliceosome remodeled for exon ligation

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(I)
Yeast UBC4 gene for ubiquitin-conjugating enzymepolymer9530200.71GenBank (4718)Saccharomyces cerevisiae (Baker's yeast)
2B
(E)
UBC4 gene exonpolymer206519.01Saccharomyces cerevisiae (Baker's yeast)
3C
(2)
U2 snRNApolymer1175376267.41GenBank (536627)Saccharomyces cerevisiae (Baker's yeast)
4D
(6)
Saccharomyces cerevisiae strain T.52_2H chromosome XII sequencepolymer11235883.21GenBank (1039022925)Saccharomyces cerevisiae (Baker's yeast)
5E
(5)
U5 snRNApolymer17957444.91GenBank (1039023700)Saccharomyces cerevisiae (Baker's yeast)
6F
(A)
Pre-mRNA-splicing factor 8polymer2413279867.51UniProt (P33334)
Pfam (PF08082)
Pfam (PF08083)
Pfam (PF10598)
Pfam (PF10597)
Pfam (PF10596)
Pfam (PF12134)
Pfam (PF08084)
Saccharomyces cerevisiae (Baker's yeast)
7G
(C)
Pre-mRNA-splicing factor SNU114polymer1008114174.01UniProt (P36048)
Pfam (PF03764)
Pfam (PF00679)
Pfam (PF16004)
Pfam (PF00009)
Saccharomyces cerevisiae (Baker's yeast)114 kDa U5 small nuclear ribonucleoprotein component,Growth inhibitory protein 10
8H
(H)
Pre-mRNA-splicing factor CWC22polymer57767386.11UniProt (P53333)
Pfam (PF02847)
Saccharomyces cerevisiae (Baker's yeast)Complexed with CEF1 protein 22
9I
(J)
Pre-mRNA-splicing factor PRP46polymer45150771.31UniProt (Q12417)
Pfam (PF00400)
Saccharomyces cerevisiae (Baker's yeast)Complexed with CEF1 protein 1,PRP nineteen-associated complex protein 50,PRP19-associated complex protein 50,Pre-mRNA-processing protein 46
10J
(K)
Pre-mRNA-processing protein 45polymer37942548.71UniProt (P28004)
Pfam (PF02731)
Saccharomyces cerevisiae (Baker's yeast)
11K
(L)
Pre-mRNA-splicing factor BUD31polymer15718484.51UniProt (P25337)
Pfam (PF01125)
Saccharomyces cerevisiae (Baker's yeast)Bud site selection protein 31,Complexed with CEF1 protein 14
12L
(M)
Pre-mRNA-splicing factor CWC2polymer33938486.61UniProt (Q12046)
Pfam (PF16131)
Pfam (PF00076)
Saccharomyces cerevisiae (Baker's yeast)Complexed with CEF1 protein 2,PRP19-associated complex protein 40,Synthetic lethal with CLF1 protein 3
13M
(N)
Pre-mRNA-splicing factor SLT11polymer36440988.61UniProt (P38241)
Pfam (PF21369)
Saccharomyces cerevisiae (Baker's yeast)Extracellular mutant protein 2,Synthetic lethality with U2 protein 11
14N
(O)
Pre-mRNA-splicing factor CEF1polymer59067837.81UniProt (Q03654)
Pfam (PF00249)
Pfam (PF11831)
Saccharomyces cerevisiae (Baker's yeast)PRP nineteen-associated complex protein 85,PRP19-associated complex protein 85
15O
(P)
Pre-mRNA-splicing factor CWC15polymer17519975.21UniProt (Q03772)
Pfam (PF04889)
Saccharomyces cerevisiae (Baker's yeast)Complexed with CEF1 protein 15
16P
(R)
Pre-mRNA-splicing factor CWC21polymer13515793.61UniProt (Q03375)
Pfam (PF08312)
Saccharomyces cerevisiae (Baker's yeast)Complexed with CEF1 protein 21
17Q
(S)
Pre-mRNA-splicing factor CLF1polymer68782555.91UniProt (Q12309)
Pfam (PF05843)
Saccharomyces cerevisiae (Baker's yeast)Crooked neck-like factor 1,PRP19-associated complex protein 77,Synthetic lethal with CDC40 protein 3
18R
(T)
Pre-mRNA-splicing factor SYF1polymer877101875.91UniProt (Q04048)
Pfam (PF05843)
Saccharomyces cerevisiae (Baker's yeast)PRP19-associated complex protein 90,Synthetic lethal with CDC40 protein 1
19S
(a)
Pre-mRNA-splicing factor 18polymer25128414.41UniProt (P33411)
Pfam (PF02840)
Saccharomyces cerevisiae (Baker's yeast)
20T
(c)
Pre-mRNA-splicing factor SLU7polymer38244722.91UniProt (Q02775)
Pfam (PF11708)
Saccharomyces cerevisiae (Baker's yeast)Synthetic lethal with U2 snRNA protein 17,Synthetic lethal with U5 snRNA protein 7
21U
(o)
Pre-mRNA-processing factor 17polymer45552128.81UniProt (P40968)
Pfam (PF00400)
Saccharomyces cerevisiae (Baker's yeast)Cell division control protein 40
22V
(X)
Unknownpolymer685805.11Saccharomyces cerevisiae (Baker's yeast)
23W
(y)
Pre-mRNA-splicing factor SYF2polymer21524850.71UniProt (P53277)
Pfam (PF08231)
Saccharomyces cerevisiae (Baker's yeast)PRP19 complex protein 31,Synthetic lethal with CDC40 protein 2
24X
(b)
Small nuclear ribonucleoprotein-associated protein Bpolymer19622427.01UniProt (P40018)
Pfam (PF01423)
Saccharomyces cerevisiae (Baker's yeast)snRNP-B,Sm protein B,SmB
25Y
(d)
Small nuclear ribonucleoprotein Sm D3polymer10111240.11UniProt (P43321)
Pfam (PF01423)
Saccharomyces cerevisiae (Baker's yeast)Sm-D3,snRNP core protein D3
26Z
(e)
Small nuclear ribonucleoprotein Epolymer9410385.11UniProt (Q12330)
Pfam (PF01423)
Saccharomyces cerevisiae (Baker's yeast)snRNP-E,Sm protein E,SmE
27AA
(f)
Small nuclear ribonucleoprotein Fpolymer869669.91UniProt (P54999)
Pfam (PF01423)
Saccharomyces cerevisiae (Baker's yeast)snRNP-F,Sm protein F,SmF
28BA
(g)
Small nuclear ribonucleoprotein Gpolymer778490.81UniProt (P40204)
Pfam (PF01423)
Saccharomyces cerevisiae (Baker's yeast)snRNP-G,Sm protein G,SmG
29CA
(h)
Small nuclear ribonucleoprotein Sm D1polymer14616296.81UniProt (Q02260)
Pfam (PF01423)
Saccharomyces cerevisiae (Baker's yeast)Sm-D1,snRNP core protein D1
30DA
(j)
Small nuclear ribonucleoprotein Sm D2polymer11012876.11UniProt (Q06217)
Pfam (PF01423)
Saccharomyces cerevisiae (Baker's yeast)Sm-D2,snRNP core protein D2
31EA, FA, GA
(6)
MAGNESIUM IONnon-polymer24.33Chemie (MG)
32HA, IA
(6)
POTASSIUM IONnon-polymer39.12Chemie (K)
33JA
(A)
INOSITOL HEXAKISPHOSPHATEnon-polymer660.01Chemie (IHP)
34KA
(C)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
35LA, MA, NA, OA, PA...
(L, M, N)
ZINC IONnon-polymer65.46Chemie (ZN)
Sequence modifications
T: 1 - 859 (UniProt: Q04048)
T: 1000 - 1017 (PDB: 5MPS)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains30
Total formula weight1694368.4
Non-Polymers*Number of molecules13
Total formula weight1726.8
All*Total formula weight1696095.2
*Water molecules are not included.

246704

PDB entries from 2025-12-24

PDB statisticsPDBj update infoContact PDBjnumon