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9IF7

Cryo-EM structure of the kinetoplastid trans-spliceosome activated for catalytic step II (C* complex)

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(L7)
Probable eukaryotic initiation factor 4Apolymer38944002.81UniProt (A0A640KRB9)Leishmania tarentolaeATP-dependent RNA helicase eIF4A
2B
(L8)
RRM domain-containing proteinpolymer15317154.01UniProt (A0A640KP41)Leishmania tarentolae
3C
(L9)
Mago nashi-like protein,putativepolymer16218684.21UniProt (A0A640KMM3)Leishmania tarentolae
4D
(LA)
Prp8 protein homologue, putativepolymer2427278149.21UniProt (A0A640KTJ2)Leishmania tarentolae
5E
(LB)
ATP-dependent RNA helicase, putativepolymer2367261270.31UniProt (A0A640KDJ4)Leishmania tarentolae
6F
(LC)
Small nuclear ribonucleoprotein component-like proteinpolymer1016110616.11UniProt (A0A640KRB5)Leishmania tarentolae
7G
(LD)
PRKR-interacting protein 1polymer16618266.31UniProt (A0A640KD47)Leishmania tarentolae
8H
(LF)
Splicing factor Cactin C-terminal domain-containing proteinpolymer70678806.51UniProt (A0A640KRR3)Leishmania tarentolae
9I
(LG)
RNA-binding motif proteinpolymer828723.91Leishmania tarentolae
10J
(LH)
Splicing regulator SDE2-like proteinpolymer15917569.51Leishmania tarentolae
11K
(LJ)
Guanine nucleotide-binding protein subunit beta-like proteinpolymer50955427.61UniProt (A0A640KWH7)Leishmania tarentolae
12L
(LL)
G10 proteinpolymer32635590.61UniProt (A0A640KB76)Leishmania tarentolae
13M
(LN)
Guanine nucleotide-binding protein subunit beta-like proteinpolymer32233586.71UniProt (A0A640KKK2)Leishmania tarentolae
14N
(LP)
Spliceosome-associated CWC15-like proteinpolymer20722580.81UniProt (A0A640KWX5)Leishmania tarentolae
15O
(LQ)
Cell division control proteinpolymer80489110.71UniProt (A0A640KDH5)Leishmania tarentolae
16P
(LR)
CWF21 domain-containing proteinpolymer19721499.01UniProt (A0A640K740)Leishmania tarentolae
17Q
(LS)
Crooked neck-like protein 1polymer82493722.81UniProt (A0A640KV53)Leishmania tarentolae
18R
(LT)
Pre-mRNA-splicing factor SYF1polymer79489299.91UniProt (A0A640KGK2)Leishmania tarentolae
19S
(LV)
RNA helicasepolymer1087123210.91UniProt (A0A640KVV3)Leishmania tarentolae
20T
(LW)
U2 small nuclear ribonucleoprotein 40K, putativepolymer30734821.81UniProt (A0A640KNR9)Leishmania tarentolae
21U
(LY)
RRM domain-containing proteinpolymer11413295.31UniProt (A0A640KKX2)Leishmania tarentolae
22V
(LZ)
NF-kappa-B-activating protein C-terminal domain-containing proteinpolymer40343596.11UniProt (A0A640KXH6)Leishmania tarentolae
23W
(SA)
MI domain-containing proteinpolymer56465686.41UniProt (A0A640KX85)Leishmania tarentolae
24X
(SC)
Pre-mRNA-splicing factor SLU7polymer41746469.11UniProt (A0A640KB40)Leishmania tarentolae
25Y
(SD)
Pre-mRNA-splicing factor 18polymer54659023.41UniProt (A0A640KFR7)Leishmania tarentolae
26Z
(SF)
Uncharacterized proteinpolymer25827783.31UniProt (A0A640KDU3)Leishmania tarentolae
27AA
(SJ)
PRP19-related complex protein 3polymer41445326.11UniProt (A0A640KRN7)Leishmania tarentolae
28BA
(SK)
Unspecified productpolymer17518754.71UniProt (A0A640KWM9)Leishmania tarentolae
29CA
(SL)
SNW domain-containing protein 1polymer54457655.51Leishmania tarentolae
30DA
(SN)
peptidylprolyl isomerasepolymer19220554.61UniProt (A0A640KHX2)Leishmania tarentolae
31EA
(SO)
Guanine nucleotide-binding protein subunit beta-like proteinpolymer62168007.31UniProt (A0A640KJ83)Leishmania tarentolae
32FA
(SP)
Pre-mRNA-splicing factor ISY1 homologpolymer26931012.21UniProt (A0A640KE26)Leishmania tarentolae
33GA
(SQ)
Zinc knucklepolymer15016757.01UniProt (A0A640KSY0)Leishmania tarentolae
34HA
(SS)
Pre-mRNA-splicing factor SPF27polymer28431636.91UniProt (A0A640KPK5)Leishmania tarentolae
35IA, JA, KA, LA
(ST, SU, SV, SW)
Pre-mRNA-processing factor 19polymer51353716.54UniProt (A0A640KLK2)Leishmania tarentolae
36MA
(TN)
Probable RNA helicasepolymer1181128353.81Leishmania tarentolae
37NA
(UX)
Unidentified proteinpolymer211805.21Leishmania tarentolae
38OA
(62)
LSM domain-containing proteinpolymer19020523.91UniProt (A0A640KDV9)Leishmania tarentolae
39PA
(63)
Sm domain-containing proteinpolymer13414153.91UniProt (A0A640K801)Leishmania tarentolae
40QA
(64)
U6 snRNA-associated Sm-like protein LSm4polymer11612885.91UniProt (A0A640KQL9)Leishmania tarentolae
41RA
(65)
LSM domain-containing proteinpolymer15115939.71UniProt (A0A640KR67)Leishmania tarentolae
42SA
(66)
Sm domain-containing proteinpolymer808616.61UniProt (A0A640K754)Leishmania tarentolae
43TA
(67)
Lsm7p protein, putativepolymer919968.61UniProt (A0A640KI01)Leishmania tarentolae
44UA
(68)
Sm domain-containing proteinpolymer13114106.01UniProt (A0A640KIZ1)Leishmania tarentolae
45VA
(RN)
Y-branched pre-mRNApolymer6813704.81Leishmania tarentolae
46DB, PB, WA
(24, 51, U1)
Small nuclear ribonucleoprotein, putativepolymer10211214.83UniProt (A0A640KHR4)Leishmania tarentolae
47EB, QB, XA
(25, 52, U2)
Small nuclear ribonucleoprotein Sm D2polymer10311798.73UniProt (A0A640KR16)Leishmania tarentolaeSm-D2,snRNP core protein D2
48YA
(2C)
Lsm5p, putativepolymer12813888.81UniProt (A0A640KNU1)Leishmania tarentolae
49ZA
(2D)
Small nuclear ribonucleaoprotein, putativepolymer14116127.71UniProt (A0A640KZZ6)Leishmania tarentolae
50AB, HB, TB
(2H, 5E, UE)
Small nuclear ribonucleoprotein Epolymer869926.43UniProt (A0A640KLY5)Leishmania tarentolaesnRNP-E,Sm protein E
51BB, IB, UB
(2I, 5F, UF)
Sm protein Fpolymer768533.73UniProt (A0A640KUD7)Leishmania tarentolae
52CB, JB, VB
(2J, 5G, UG)
Sm protein Gpolymer818810.23UniProt (A0A640KQ84)Leishmania tarentolae
53FB, RB
(53, U3)
Small nuclear ribonucleoprotein Sm D3polymer11312345.22UniProt (A0A640KTK0)Leishmania tarentolaeSm-D3,snRNP core protein D3
54GB, SB
(5B, UB)
Sm protein Bpolymer11111872.82UniProt (A0A640KQU2)Leishmania tarentolae
55KB
(LE)
SL RNA exonpolymer3912361.31Leishmania tarentolae
56LB
(LO)
SL RNA outronpolymer5718331.91GenBank (312489)Leishmania tarentolae
57MB
(N2)
U2 snRNApolymer14245393.71GenBank (15822519)Leishmania tarentolae
58NB
(N5)
U5 snRNApolymer7122591.41GenBank (2624234246)Leishmania tarentolae
59OB
(N6)
U6 snRNApolymer10032113.11GenBank (15824497)Leishmania tarentolae
60AC, CC, JC, LC, MC...
(LA, LC, N5, N6, L7)
MAGNESIUM IONnon-polymer24.312Chemie (MG)
PubChem (888)
61XB
(L7)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.21Chemie (ADP)
62YB
(L7)
POTASSIUM IONnon-polymer39.11Chemie (K)
PubChem (813)
63ZB
(LA)
INOSITOL HEXAKISPHOSPHATEnon-polymer660.01Chemie (IHP)
64BC
(LC)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
65DC, EC, FC, GC, HC
(LL, SC, SQ)
ZINC IONnon-polymer65.45Chemie (ZN)
PubChem (32051)
66IC
(N5)
7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-GUANOSINEnon-polymer803.41Chemie (GTG)
67KC
(N6)
5'-O-[(S)-hydroxy{[(R)-hydroxy{[(S)-hydroxy(methoxy)phosphoryl]oxy}phosphoryl]oxy}phosphoryl]guanosinenon-polymer537.21Chemie (G5J)
Sequence modifications
SQ: 1 - 149 (UniProt: A0A640KSY0)
PDBExternal DatabaseDetails
Ace 0-acetylation
68: 1 - 130 (UniProt: A0A640KIZ1)
PDBExternal DatabaseDetails
Ace 0-acetylation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains74
Total formula weight2812671.5
Non-Polymers*Number of molecules23
Total formula weight3608.9
All*Total formula weight2816280.4
*Water molecules are not included.

259015

PDB entries from 2026-09-02

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