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9XU3

Human minor spliceosome exon-ligation-ready C* complex (prior to step-II)

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(0)
MSE-U12_5 exonpolymer5718256.91Homo sapiens
2B
(1)
MSE-U12_intron-3 exonpolymer27788640.11Homo sapiens
3C
(2)
U12 snRNApolymer15048353.61Homo sapiens
4D
(4)
Peptidylprolyl isomerase domain and WD repeat-containing protein 1polymer64673679.91UniProt (Q96BP3)
Pfam (PF00400)
Pfam (PF00160)
Homo sapiens (human)Spliceosome-associated cyclophilin
5E
(5)
U5 snRNApolymer11737254.91GenBank (20330981)Homo sapiens (human)
6F
(6)
U6atac snRNApolymer12540395.81Homo sapiens
7G
(A)
Pre-mRNA-processing-splicing factor 8polymer2335273974.31UniProt (Q6P2Q9)
Pfam (PF12134)
Pfam (PF01398)
Pfam (PF08084)
Pfam (PF08082)
Pfam (PF08083)
Pfam (PF10598)
Pfam (PF10597)
Pfam (PF10596)
Homo sapiens (human)220 kDa U5 snRNP-specific protein,PRP8 homolog,Splicing factor Prp8,p220
8H
(B)
116 kDa U5 small nuclear ribonucleoprotein componentpolymer972109560.61UniProt (Q15029)
Pfam (PF16004)
Pfam (PF00009)
Pfam (PF03144)
Pfam (PF14492)
Pfam (PF03764)
Pfam (PF00679)
Homo sapiens (human)Elongation factor Tu GTP-binding domain-containing protein 2,SNU114 homolog,hSNU114,U5 snRNP-specific protein,116 kDa,U5-116 kDa
9I
(C)
U5 small nuclear ribonucleoprotein 200 kDa helicasepolymer2136244823.41UniProt (O75643)
Pfam (PF21188)
Pfam (PF18149)
Pfam (PF00270)
Pfam (PF00271)
Pfam (PF23445)
Pfam (PF02889)
Homo sapiens (human)Activating signal cointegrator 1 complex subunit 3-like 1,BRR2 homolog,U5 snRNP-specific 200 kDa protein,U5-200KD
10J
(D)
U5 small nuclear ribonucleoprotein 40 kDa proteinpolymer35739359.51UniProt (Q96DI7)
Pfam (PF00400)
Homo sapiens (human)U5 snRNP 40 kDa protein,U5-40K,38 kDa-splicing factor,Prp8-binding protein,hPRP8BP,U5 snRNP-specific 40 kDa protein,WD repeat-containing protein 57
11K
(E)
Cell division cycle 5-like proteinpolymer80292406.91UniProt (Q99459)
Pfam (PF13921)
Pfam (PF11831)
Homo sapiens (human)Cdc5-like protein,Pombe cdc5-related protein
12L
(F)
Pre-mRNA-splicing factor SYF1polymer855100148.71UniProt (Q9HCS7)
Pfam (PF23233)
Pfam (PF23220)
Pfam (PF23231)
Homo sapiens (human)Protein HCNP,XPA-binding protein 2
13M
(G)
Crooked neck-like protein 1polymer848100610.01UniProt (Q9BZJ0)
Pfam (PF23231)
Homo sapiens (human)Crooked neck homolog,hCrn
14N
(H)
Coiled-coil domain-containing protein 12polymer16619223.81UniProt (Q8WUD4)
Pfam (PF08315)
Homo sapiens (human)
15O
(I)
Pre-mRNA-splicing factor ISY1 homologpolymer28533046.31UniProt (Q9ULR0)
Pfam (PF06246)
Homo sapiens (human)
16P
(J)
SNW domain-containing protein 1polymer53661770.61UniProt (Q13573)
Pfam (PF02731)
Homo sapiens (human)Nuclear protein SkiP,Nuclear receptor coactivator NCoA-62,Ski-interacting protein
17Q
(K)
Pleiotropic regulator 1polymer51457280.81UniProt (O43660)
Pfam (PF00400)
Homo sapiens (human)
18R
(L)
RNA-binding protein 48polymer36741878.51UniProt (Q5RL73)Homo sapiens (human)
19S
(L2)
U6 snRNA-associated Sm-like protein LSm2polymer9510847.51UniProt (Q9Y333)
Pfam (PF01423)
Homo sapiens (human)Protein G7b,Small nuclear ribonuclear protein D homolog,snRNP core Sm-like protein Sm-x5
20T
(L3)
U6 snRNA-associated Sm-like protein LSm3polymer10211859.41UniProt (P62310)
Pfam (PF01423)
Homo sapiens (human)
21U
(L4)
U6 snRNA-associated Sm-like protein LSm4polymer13915375.81UniProt (Q9Y4Z0)
Pfam (PF01423)
Homo sapiens (human)Glycine-rich protein,GRP
22V
(L5)
U6 snRNA-associated Sm-like protein LSm5polymer919945.41UniProt (Q9Y4Y9)
Pfam (PF01423)
Homo sapiens (human)
23W
(L6)
U6 snRNA-associated Sm-like protein LSm6polymer809139.61UniProt (P62312)
Pfam (PF01423)
Homo sapiens (human)
24X
(L7)
U6 snRNA-associated Sm-like protein LSm7polymer10311617.41UniProt (Q9UK45)
Pfam (PF01423)
Homo sapiens (human)
25Y
(L8)
U6 snRNA-associated Sm-like protein LSm8polymer9610410.61UniProt (O95777)
Pfam (PF01423)
Homo sapiens (human)
26Z
(M)
Armadillo repeat-containing protein 7polymer19821946.01UniProt (Q9H6L4)
Pfam (PF00514)
Homo sapiens (human)
27AA
(N)
Spliceosome-associated protein CWC15 homologpolymer22926674.41UniProt (Q9P013)
Pfam (PF04889)
Homo sapiens (human)
28BA
(O)
Peptidyl-prolyl cis-trans isomerase-like 1polymer16618257.81UniProt (Q9Y3C6)
Pfam (PF00160)
Homo sapiens (human)PPIase,Rotamase PPIL1
29CA
(P)
Peptidyl-prolyl cis-trans isomerase Epolymer30133475.81UniProt (Q9UNP9)
Pfam (PF00076)
Pfam (PF00160)
Homo sapiens (human)PPIase E,Cyclophilin E,Cyclophilin-33,Rotamase E
30DA
(Q)
RNA helicase aquariuspolymer1485171502.51UniProt (O60306)
Pfam (PF16399)
Pfam (PF21143)
Pfam (PF21144)
Pfam (PF13086)
Pfam (PF13087)
Homo sapiens (human)Intron-binding protein of 160 kDa,IBP160
31EA
(R)
Peptidyl-prolyl cis-trans isomerase-like 3polymer16118177.51UniProt (Q9H2H8)
Pfam (PF00160)
Homo sapiens (human)PPIase,Cyclophilin J,CyPJ,Cyclophilin-like protein PPIL3,Rotamase PPIL3
32FA
(S)
Pre-mRNA-splicing factor SLU7polymer58668510.81UniProt (O95391)
Pfam (PF11708)
Homo sapiens (human)hSlu7
33GA
(T)
ATP-dependent RNA helicase DHX8polymer1220139522.31UniProt (Q14562)
Pfam (PF00575)
Pfam (PF00270)
Pfam (PF00271)
Pfam (PF04408)
Pfam (PF21010)
Pfam (PF07717)
Homo sapiens (human)DEAH box protein 8,RNA helicase HRH1
34HA
(U)
Serine/arginine repetitive matrix protein 2polymer2752300255.31UniProt (Q9UQ35)
Pfam (PF08312)
Homo sapiens (human)300 kDa nuclear matrix antigen,Serine/arginine-rich splicing factor-related nuclear matrix protein of 300 kDa,SR-related nuclear matrix protein of 300 kDa,Ser/Arg-related nuclear matrix protein of 300 kDa,Splicing coactivator subunit SRm300,Tax-responsive enhancer element-binding protein 803,TaxREB803
35IA
(V)
Pre-mRNA-splicing factor CWC22 homologpolymer908105646.61UniProt (Q9HCG8)
Pfam (PF02854)
Pfam (PF02847)
Homo sapiens (human)Nucampholin homolog,fSAPb
36JA
(W)
WD repeat-containing protein 25polymer54460245.01UniProt (Q64LD2)
Pfam (PF00400)
Homo sapiens (human)
37KA
(X)
Splicing factor Cactinpolymer75888860.11UniProt (Q8WUQ7)
Pfam (PF10312)
Pfam (PF09732)
Homo sapiens (human)Renal carcinoma antigen NY-REN-24
38LA
(Y)
Protein FAM32Apolymer11213213.51UniProt (Q9Y421)
Pfam (PF08555)
Homo sapiens (human)Ovarian tumor-associated gene 12,OTAG-12
39MA
(Z)
NF-kappa-B-activating proteinpolymer41547252.71UniProt (Q8N5F7)
Pfam (PF15692)
Pfam (PF06047)
Homo sapiens (human)
40NA, UA
(a, h)
Small nuclear ribonucleoprotein-associated proteins B and B'polymer24024642.12UniProt (P14678)
Pfam (PF01423)
Homo sapiens (human)snRNP-B,Sm protein B/B',Sm-B/B',SmB/B'
41OA, VA
(b, i)
Small nuclear ribonucleoprotein Sm D1polymer11913310.72UniProt (P62314)
Pfam (PF01423)
Homo sapiens (human)Sm-D1,Sm-D autoantigen,snRNP core protein D1
42PA, WA
(c, j)
Small nuclear ribonucleoprotein Sm D2polymer11813551.92UniProt (P62316)
Pfam (PF01423)
Homo sapiens (human)Sm-D2,snRNP core protein D2
43QA, XA
(d, k)
Small nuclear ribonucleoprotein Sm D3polymer12613940.32UniProt (P62318)
Pfam (PF01423)
Homo sapiens (human)Sm-D3,snRNP core protein D3
44RA, YA
(e, l)
Small nuclear ribonucleoprotein Epolymer9210817.62UniProt (P62304)
Pfam (PF01423)
Homo sapiens (human)snRNP-E,Sm protein E,Sm-E,SmE
45SA, ZA
(f, m)
Small nuclear ribonucleoprotein Fpolymer869734.22UniProt (P62306)
Pfam (PF01423)
Homo sapiens (human)snRNP-F,Sm protein F,Sm-F,SmF
46AB, TA
(g, n)
Small nuclear ribonucleoprotein Gpolymer768508.12UniProt (P62308)
Pfam (PF01423)
Homo sapiens (human)snRNP-G,Sm protein G,Sm-G,SmG
47BB
(p)
Splicing factor ESS-2 homologpolymer47652640.01UniProt (Q96DF8)
Pfam (PF09751)
Homo sapiens (human)DiGeorge syndrome critical region 13,DiGeorge syndrome critical region 14,DiGeorge syndrome protein H,DGS-H,Protein ES2
48CB, DB, EB, FB
(q, r, s, t)
Pre-mRNA-processing factor 19polymer50455245.54UniProt (Q9UMS4)
Pfam (PF04564)
Pfam (PF08606)
Pfam (PF24814)
Homo sapiens (human)Nuclear matrix protein 200,PRP19/PSO4 homolog,hPso4,RING-type E3 ubiquitin transferase PRP19,Senescence evasion factor
49GB
(u)
Pre-mRNA-splicing factor SPF27polymer22526163.41UniProt (O75934)
Pfam (PF05700)
Homo sapiens (human)Breast carcinoma-amplified sequence 2,DNA amplified in mammary carcinoma 1 protein,Spliceosome-associated protein SPF 27
50HB
(v)
Eukaryotic initiation factor 4A-IIIpolymer41146931.01UniProt (P38919)
Pfam (PF00270)
Pfam (PF00271)
Homo sapiens (human)eIF-4A-III,eIF4A-III,ATP-dependent RNA helicase DDX48,ATP-dependent RNA helicase eIF4A-3,DEAD box protein 48,Eukaryotic initiation factor 4A-like NUK-34,Eukaryotic translation initiation factor 4A isoform 3,Nuclear matrix protein 265,NMP 265,hNMP 265
51IB
(w)
Protein mago nashi homologpolymer14617189.61UniProt (P61326)
Pfam (PF02792)
Homo sapiens (human)
52JB
(x)
RNA-binding protein 8Apolymer17419925.11UniProt (Q9Y5S9)
Pfam (PF00076)
Homo sapiens (human)Binder of OVCA1-1,BOV-1,RNA-binding motif protein 8A,RNA-binding protein Y14,Ribonucleoprotein RBM8A
53KB
(y)
RNA-binding protein 41polymer41347169.81UniProt (Q96IZ5)
Pfam (PF00076)
Homo sapiens (human)RNA-binding motif protein 41
54LB
(z)
Protein FAM204Apolymer23327070.31UniProt (Q9H8W3)Homo sapiens (human)
55BC, MB, NB, OB, PB...
(v, 1, 6, B, C)
MAGNESIUM IONnon-polymer24.39Chemie (MG)
PubChem (888)
56SB, TB
(6)
POTASSIUM IONnon-polymer39.12Chemie (K)
PubChem (813)
57UB
(A)
INOSITOL HEXAKISPHOSPHATEnon-polymer660.01Chemie (IHP)
58VB
(B)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
59XB, YB
(C)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.22Chemie (ADP)
60AC
(S)
ZINC IONnon-polymer65.41Chemie (ZN)
PubChem (32051)
61CC
(v)
ADENOSINE-5'-TRIPHOSPHATEnon-polymer507.21Chemie (ATP)
62DC
(6)
waterwater18.01Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains64
Total formula weight3320481.7
Non-Polymers*Number of molecules17
Total formula weight2907.1
All*Total formula weight3323388.8
*Water molecules are not included.

258222

PDB entries from 2026-08-19

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