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8I0W

The cryo-EM structure of human C complex

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Pre-mRNA-processing-splicing factor 8polymer2335273974.31UniProt (Q6P2Q9)
Pfam (PF08082)
Pfam (PF08083)
Pfam (PF10598)
Pfam (PF10597)
Pfam (PF10596)
Pfam (PF12134)
Pfam (PF01398)
Pfam (PF08084)
Homo sapiens (human)PRP8 homolog,Splicing factor Prp8
2B
(B)
U5 snRNApolymer11737254.91GenBank (20330981)Homo sapiens (human)
3C
(C)
116 kDa U5 small nuclear ribonucleoprotein componentpolymer972109560.61UniProt (Q15029)
Pfam (PF16004)
Pfam (PF00009)
Pfam (PF03144)
Pfam (PF14492)
Pfam (PF03764)
Pfam (PF00679)
Homo sapiens (human)SNU114 homolog,hSNU114
4D
(D)
U5 small nuclear ribonucleoprotein 200 kDa helicasepolymer2136244823.41UniProt (O75643)
Pfam (PF21188)
Pfam (PF18149)
Pfam (PF00270)
Pfam (PF00271)
Pfam (PF23445)
Pfam (PF02889)
Homo sapiens (human)BRR2,BRR2 homolog
5E
(E)
U5 small nuclear ribonucleoprotein 40 kDa proteinpolymer35739359.51UniProt (Q96DI7)
Pfam (PF00400)
Homo sapiens (human)SNR40,U5-40K,U5 snRNP-specific 40 kDa protein
6F
(F)
U6 snRNApolymer10734404.41Homo sapiens
7G
(G)
pre-mRNApolymer4614729.81unidentified adenovirus
8H
(6)
pre-mRNApolymer17455660.71unidentified adenovirus
9I
(H)
U2 snRNApolymer18860186.41GenBank (340097)Homo sapiens (human)
10J
(I)
Pre-mRNA-splicing factor SYF1polymer855100148.71UniProt (Q9HCS7)
Pfam (PF23233)
Pfam (PF23220)
Pfam (PF23231)
Homo sapiens (human)
11K
(J)
Crooked neck-like protein 1polymer848100610.01UniProt (Q9BZJ0)
Pfam (PF23231)
Homo sapiens (human)SYF3,Crooked neck homolog,hCrn
12L
(K)
Pre-mRNA-splicing factor SPF27polymer22526163.41UniProt (O75934)
Pfam (PF05700)
Homo sapiens (human)Spliceosome-associated protein SPF 27
13M
(L)
Cell division cycle 5-like proteinpolymer80292406.91UniProt (Q99459)
Pfam (PF13921)
Pfam (PF11831)
Homo sapiens (human)Cdc5-like protein,Pombe cdc5-related protein
14N
(M)
Pre-mRNA-splicing factor SYF2polymer24328780.51UniProt (O95926)
Pfam (PF08231)
Homo sapiens (human)CCNDBP1-interactor,p29
15O
(N)
Protein BUD31 homologpolymer14417032.81UniProt (P41223)
Pfam (PF01125)
Homo sapiens (human)Protein G10 homolog
16P
(O)
Pre-mRNA-splicing factor RBM22polymer42046959.61UniProt (Q9NW64)
Pfam (PF21369)
Pfam (PF25584)
Pfam (PF00076)
Homo sapiens (human)RNA-binding motif protein 22
17Q
(P)
Spliceosome-associated protein CWC15 homologpolymer22926674.41UniProt (Q9P013)
Pfam (PF04889)
Homo sapiens (human)
18R
(R)
SNW domain-containing protein 1polymer53661770.61UniProt (Q13573)
Pfam (PF02731)
Homo sapiens (human)Nuclear protein SkiP,Nuclear receptor coactivator NCoA-62,Ski-interacting protein
19S
(S)
Peptidyl-prolyl cis-trans isomerase-like 1polymer16618257.81UniProt (Q9Y3C6)
Pfam (PF00160)
Homo sapiens (human)PPIase,Rotamase PPIL1
20T
(T)
Pleiotropic regulator 1polymer51457280.81UniProt (O43660)
Pfam (PF00400)
Homo sapiens (human)
21U
(Q)
RNA helicase aquariuspolymer1485171502.51UniProt (O60306)
Pfam (PF16399)
Pfam (PF21143)
Pfam (PF21144)
Pfam (PF13086)
Pfam (PF13087)
Homo sapiens (human)
22V
(U)
Serine/arginine repetitive matrix protein 2polymer2752300255.31UniProt (Q9UQ35)
Pfam (PF08312)
Homo sapiens (human)Serine/arginine-rich splicing factor-related nuclear matrix protein of 300 kDa,Ser/Arg-related nuclear matrix protein of 300 kDa
23W
(V)
Pre-mRNA-splicing factor CWC22 homologpolymer908105646.61UniProt (Q9HCG8)
Pfam (PF02854)
Pfam (PF02847)
Homo sapiens (human)
24X
(W)
Pre-mRNA-processing factor 17polymer57965612.21UniProt (O60508)
Pfam (PF00400)
Homo sapiens (human)PRP17 homolog,hPRP17
25Y
(X)
Pre-mRNA-splicing factor CWC25 homologpolymer42549769.91UniProt (Q9NXE8)
Pfam (PF10197)
Pfam (PF12542)
Homo sapiens (human)Coiled-coil domain-containing protein 49
26Z
(Y)
Coiled-coil domain-containing protein 94polymer32337141.81UniProt (Q9BW85)
Pfam (PF04502)
Homo sapiens (human)
27AA
(Z)
Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP16polymer1227140720.61UniProt (Q92620)
Pfam (PF00270)
Pfam (PF00271)
Pfam (PF04408)
Pfam (PF21010)
Pfam (PF07717)
Homo sapiens (human)
28BA, CA, DA, EA
(q, r, s, t)
Pre-mRNA-processing factor 19polymer50455245.54UniProt (Q9UMS4)
Pfam (PF04564)
Pfam (PF08606)
Pfam (PF24814)
Homo sapiens (human)PRP19/PSO4 homolog,hPso4,RING-type E3 ubiquitin transferase PRP19,Senescence evasion factor
29FA
(u)
Eukaryotic initiation factor 4A-IIIpolymer41146931.01UniProt (P38919)
Pfam (PF00271)
Pfam (PF00270)
Homo sapiens (human)eIF4A-III,ATP-dependent RNA helicase eIF4A-3,Eukaryotic initiation factor 4A-like NUK-34,Eukaryotic translation initiation factor 4A isoform 3
30GA
(v)
Protein mago nashi homologpolymer14617189.61UniProt (P61326)
Pfam (PF02792)
Homo sapiens (human)
31HA
(w)
RNA-binding protein 8Apolymer17419925.11UniProt (Q9Y5S9)
Pfam (PF00076)
Homo sapiens (human)RNA-binding motif protein 8A,Ribonucleoprotein RBM8A
32IA
(x)
Protein CASC3polymer70376382.01UniProt (O15234)
Pfam (PF09405)
Homo sapiens (human)Cancer susceptibility candidate gene 3 protein
33FB, JA
(h, g)
Small nuclear ribonucleoprotein Sm D3polymer12613940.32UniProt (P62318)
Pfam (PF01423)
Homo sapiens (human)SmD3,Sm-D3,snRNP core protein D3
34KA, ZA
(i, a)
Small nuclear ribonucleoprotein-associated proteins B and B'polymer24024642.12UniProt (P14678)
Pfam (PF01423)
Homo sapiens (human)SmB,snRNP-B,Sm protein B/B',SmB/B'
35AB, LA
(j, b)
Small nuclear ribonucleoprotein Sm D1polymer11913310.72UniProt (P62314)
Pfam (PF01423)
Homo sapiens (human)Sm-D1,Sm-D autoantigen,snRNP core protein D1
36BB, MA
(k, c)
Small nuclear ribonucleoprotein Sm D2polymer11813551.92UniProt (P62316)
Pfam (PF01423)
Homo sapiens (human)Sm-D2,snRNP core protein D2
37CB, NA
(m, d)
Small nuclear ribonucleoprotein Fpolymer869734.22UniProt (P62306)
Pfam (PF01423)
Homo sapiens (human)snRNP-F,Sm protein F,SmF
38DB, OA
(l, e)
Small nuclear ribonucleoprotein Epolymer9210817.62UniProt (P62304)
Pfam (PF01423)
Homo sapiens (human)snRNP-E,Sm protein E,SmE
39EB, PA
(n, f)
Small nuclear ribonucleoprotein Gpolymer768508.12UniProt (P62308)
Pfam (PF01423)
Homo sapiens (human)snRNP-G,Sm protein G,SmG
40QA
(o)
U2 small nuclear ribonucleoprotein A'polymer25528456.61UniProt (P09661)
Pfam (PF14580)
Homo sapiens (human)U2-A',U2 snRNP A'
41RA
(p)
U2 small nuclear ribonucleoprotein B''polymer22525524.41UniProt (P08579)
Pfam (PF00076)
Homo sapiens (human)U2-B",U2,U2 snRNP B''
42SA
(y)
Peptidyl-prolyl cis-trans isomerase Epolymer30133475.81UniProt (Q9UNP9)
Pfam (PF00076)
Pfam (PF00160)
Homo sapiens (human)PPIase E,Cyclophilin E,Rotamase E
43TA
(z)
Pre-mRNA-splicing factor ISY1 homologpolymer28533046.31UniProt (Q9ULR0)
Pfam (PF06246)
Homo sapiens (human)
44UA
(3)
Peptidylprolyl isomerase domain and WD repeat-containing protein 1polymer64673679.91UniProt (Q96BP3)
Pfam (PF00400)
Pfam (PF00160)
Homo sapiens (human)Spliceosome-associated cyclophilin
45VA
(4)
Corepressor interacting with RBPJ 1polymer45052441.81UniProt (Q86X95)
Pfam (PF10197)
Homo sapiens (human)CBF1-interacting corepressor
46WA
(1)
WD repeat-containing protein 70polymer65473306.21UniProt (Q9NW82)
Pfam (PF00400)
Homo sapiens (human)
47XA
(2)
Protein FRG1polymer25829227.51UniProt (Q14331)
Pfam (PF06229)
Homo sapiens (human)FSHD region gene 1 protein
48YA
(5)
UNKpolymer373178.91Homo sapiens
49GB
(A)
INOSITOL HEXAKISPHOSPHATEnon-polymer660.01Chemie (IHP)
50HB
(C)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
51IB, JB, KB, LB, MB
(C, F)
MAGNESIUM IONnon-polymer24.35Chemie (MG)
PubChem (888)
52NB, OB, PB, QB, RB...
(N, O, Y)
ZINC IONnon-polymer65.47Chemie (ZN)
PubChem (32051)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains58
Total formula weight3239445.3
Non-Polymers*Number of molecules14
Total formula weight1762.6
All*Total formula weight3241207.9
*Water molecules are not included.

254227

PDB entries from 2026-05-27

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