9S2G | pdb_00009s2g

Revised structure of the fission yeast defective B* spliceosome (B*d)

PDB DOI: https://doi.org/10.2210/pdb9S2G/pdb
EM Map EMD-19942: EMDB EMDataResource

Classification: SPLICING
Organism(s): Schizosaccharomyces pombe, Schizosaccharomyces pombe DM3650
Mutation(s): No

Deposited: 2025-07-21 Released: 2026-07-29
Deposition Author(s): Boreikaite, V., Vorlaender, M.K., Plaschka, C.
Funding Organization(s): European Molecular Biology Organization (EMBO), Human Frontier Science Program (HFSP), Austrian Science Fund, European Research Council (ERC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.10 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Mechanisms of spliceosome termination

Boreikaite, V., Vorlaender, M.K., Phillips, A.W., Faraway, R., Opitz, L., Wanke, M., Raffl, G., Fin, L., Ameres, S.L., Plaschka, C.

To be published.

Macromolecule Content

Total Structure Weight: 2,170.34 kDa
Atom Count: 99,219
Modeled Residue Count: 11,927
Deposited Residue Count: 18,148
Unique protein chains: 35
Unique nucleic acid chains: 4

Macromolecules

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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Stress response protein bis1	C [auth 3]	384	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O59793 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O59793 Go to UniProtKB: O59793
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O59793
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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative pre-mRNA-splicing factor ATP-dependent RNA helicase C20H4.09	D [auth 35]	647	Schizosaccharomyces pombe	Mutation(s): 0 EC: 3.6.4.13
UniProt
Find proteins for Q9HE06 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9HE06 Go to UniProtKB: Q9HE06
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9HE06
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Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor spp42	G [auth A]	2,363	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O14187 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O14187 Go to UniProtKB: O14187
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O14187
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Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf10	H [auth C]	984	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O94316 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O94316 Go to UniProtKB: O94316
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O94316
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Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf22	I [auth CW]	887	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9P6R9 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9P6R9 Go to UniProtKB: Q9P6R9
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9P6R9
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Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf17	J [auth E]	340	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O94620 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O94620 Go to UniProtKB: O94620
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O94620
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Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein C20H4.06c (GPATCH1)	K [auth GP]	534	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9HE07 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9HE07 Go to UniProtKB: Q9HE07
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9HE07
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Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf3	L [auth I]	790	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9P7R9 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9P7R9 Go to UniProtKB: Q9P7R9
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9P7R9
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Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf4	M [auth J]	674	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for P87312 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore P87312 Go to UniProtKB: P87312
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P87312
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Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf7	N [auth K]	187	Schizosaccharomyces pombe DM3650	Mutation(s): 0
UniProt
Find proteins for Q9USV3 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9USV3 Go to UniProtKB: Q9USV3
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9USV3
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Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cdc5	O [auth L]	757	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for P39964 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore P39964 Go to UniProtKB: P39964
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P39964
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Entity ID: 16
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein C5E4.10c (LENG1)	P [auth LG]	198	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9P7Z6 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9P7Z6 Go to UniProtKB: Q9P7Z6
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9P7Z6
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Entity ID: 17
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor syf2	Q [auth M]	229	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O59733 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O59733 Go to UniProtKB: O59733
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O59733
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Entity ID: 18
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf14	R [auth N]	146	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O74772 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O74772 Go to UniProtKB: O74772
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O74772
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Entity ID: 19
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf5	S [auth O]	354	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O59800 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O59800 Go to UniProtKB: O59800
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O59800
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Entity ID: 20
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf2	T [auth O2]	388	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for P87126 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore P87126 Go to UniProtKB: P87126
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P87126
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Entity ID: 21
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf15	U [auth P]	265	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for P78794 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore P78794 Go to UniProtKB: P78794
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P78794
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Entity ID: 22
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein C17A2.08c (PAXBP1)	V [auth PX]	361	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O13758 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O13758 Go to UniProtKB: O13758
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O13758
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Entity ID: 23
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf11	W [auth Q]	1,284	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O94508 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O94508 Go to UniProtKB: O94508
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O94508
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Entity ID: 24
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-processing protein 45	X [auth R]	557	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q09882 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q09882 Go to UniProtKB: Q09882
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q09882
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Entity ID: 25
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptidyl-prolyl cis-trans isomerase ppi1	Y [auth S]	155	Schizosaccharomyces pombe	Mutation(s): 0 EC: 5.2.1.8
UniProt
Find proteins for P87051 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore P87051 Go to UniProtKB: P87051
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P87051
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Entity ID: 26
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf21	Z [auth SR]	293	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O14161 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O14161 Go to UniProtKB: O14161
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O14161
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Entity ID: 27
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor prp5	AA [auth T]	473	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O13615 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O13615 Go to UniProtKB: O13615
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O13615
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Entity ID: 28
Molecule	Chains	Sequence Length	Organism	Details	Image
G-patch domain-containing protein C1486.03	BA [auth TF]	797	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9UTK6 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9UTK6 Go to UniProtKB: Q9UTK6
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9UTK6
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Entity ID: 29
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-processing factor 17	CA [auth W]	558	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O43071 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O43071 Go to UniProtKB: O43071
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O43071
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Entity ID: 30
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein saf4	DA [auth YB]	299	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O60141 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O60141 Go to UniProtKB: O60141
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O60141
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Entity ID: 31
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-splicing factor cwf18	EA [auth Z]	142	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9UU80 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9UU80 Go to UniProtKB: Q9UU80
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9UU80
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Entity ID: 32
Molecule	Chains	Sequence Length	Organism	Details	Image
Small nuclear ribonucleoprotein Sm D3	FA [auth a]	97	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9UUC6 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9UUC6 Go to UniProtKB: Q9UUC6
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9UUC6
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Entity ID: 33
Molecule	Chains	Sequence Length	Organism	Details	Image
Small nuclear ribonucleoprotein-associated protein B	GA [auth b]	147	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q10163 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q10163 Go to UniProtKB: Q10163
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q10163
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Entity ID: 34
Molecule	Chains	Sequence Length	Organism	Details	Image
Small nuclear ribonucleoprotein Sm D1	HA [auth c]	117	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O42661 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O42661 Go to UniProtKB: O42661
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O42661
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Entity ID: 35
Molecule	Chains	Sequence Length	Organism	Details	Image
Small nuclear ribonucleoprotein Sm D2	IA [auth d]	115	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O14036 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O14036 Go to UniProtKB: O14036
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O14036
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Entity ID: 36
Molecule	Chains	Sequence Length	Organism	Details	Image
Small nuclear ribonucleoprotein E	JA [auth e]	84	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q9USZ3 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q9USZ3 Go to UniProtKB: Q9USZ3
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9USZ3
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Entity ID: 37
Molecule	Chains	Sequence Length	Organism	Details	Image
Small nuclear ribonucleoprotein F	KA [auth f]	78	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O59734 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O59734 Go to UniProtKB: O59734
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O59734
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Entity ID: 38
Molecule	Chains	Sequence Length	Organism	Details	Image
Small nuclear ribonucleoprotein G	LA [auth g]	77	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for O74966 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O74966 Go to UniProtKB: O74966
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Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O74966
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Entity ID: 39
Molecule	Chains	Sequence Length	Organism	Details	Image
Pre-mRNA-processing factor 19	MA [auth q], NA [auth r], OA [auth s], PA [auth t]	488	Schizosaccharomyces pombe	Mutation(s): 0 EC: 2.3.2.27
UniProt
Find proteins for O14011 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore O14011 Go to UniProtKB: O14011
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	O14011
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Reference Sequence

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Molecule	Chains	Length	Organism
Entity ID: 1
Pre-mRNA	A [auth 1]	30	Schizosaccharomyces pombe
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Molecule	Chains	Length	Organism
Entity ID: 2
U2 snRNA	B [auth 2]	186	Schizosaccharomyces pombe
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Molecule	Chains	Length	Organism
Entity ID: 5
U5 snRNA	E [auth 5]	120	Schizosaccharomyces pombe
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Molecule	Chains	Length	Organism
Entity ID: 6
U6 snRNA	F [auth 6]	99	Schizosaccharomyces pombe
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Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
IHP Query on IHP Download:Ideal Coordinates CCD File SDF format, chain UA [auth A] MOL2 format, chain UA [auth A] mmCIF format, chain UA [auth A]	UA [auth A]	INOSITOL HEXAKISPHOSPHATE C₆ H₁₈ O₂₄ P₆ IMQLKJBTEOYOSI-GPIVLXJGSA-N		Interactions Focus chain UA [auth A] Interactions & Density Focus chain UA [auth A]
GTP Query on GTP Download:Ideal Coordinates CCD File SDF format, chain VA [auth C] MOL2 format, chain VA [auth C] mmCIF format, chain VA [auth C]	VA [auth C]	GUANOSINE-5'-TRIPHOSPHATE C₁₀ H₁₆ N₅ O₁₄ P₃ XKMLYUALXHKNFT-UUOKFMHZSA-N		Interactions Focus chain VA [auth C] Interactions & Density Focus chain VA [auth C]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain AB [auth O] SDF format, chain BB [auth O] SDF format, chain CB [auth O2] SDF format, chain XA [auth N] SDF format, chain YA [auth N] SDF format, chain ZA [auth N] MOL2 format, chain AB [auth O] MOL2 format, chain BB [auth O] MOL2 format, chain CB [auth O2] MOL2 format, chain XA [auth N] MOL2 format, chain YA [auth N] MOL2 format, chain ZA [auth N] mmCIF format, chain AB [auth O] mmCIF format, chain BB [auth O] mmCIF format, chain CB [auth O2] mmCIF format, chain XA [auth N] mmCIF format, chain YA [auth N] mmCIF format, chain ZA [auth N]	AB [auth O] BB [auth O] CB [auth O2] XA [auth N] YA [auth N] AB [auth O], BB [auth O], CB [auth O2], XA [auth N], YA [auth N], ZA [auth N]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain AB [auth O] Focus chain BB [auth O] Focus chain CB [auth O2] Focus chain XA [auth N] Focus chain YA [auth N] Focus chain ZA [auth N] Interactions & Density Focus chain AB [auth O] Focus chain BB [auth O] Focus chain CB [auth O2] Focus chain XA [auth N] Focus chain YA [auth N] Focus chain ZA [auth N]
K Query on K Download:Ideal Coordinates CCD File SDF format, chain TA [auth 6] MOL2 format, chain TA [auth 6] mmCIF format, chain TA [auth 6]	TA [auth 6]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain TA [auth 6] Interactions & Density Focus chain TA [auth 6]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain QA [auth 6] SDF format, chain RA [auth 6] SDF format, chain SA [auth 6] SDF format, chain WA [auth C] MOL2 format, chain QA [auth 6] MOL2 format, chain RA [auth 6] MOL2 format, chain SA [auth 6] MOL2 format, chain WA [auth C] mmCIF format, chain QA [auth 6] mmCIF format, chain RA [auth 6] mmCIF format, chain SA [auth 6] mmCIF format, chain WA [auth C]	QA [auth 6], RA [auth 6], SA [auth 6], WA [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain QA [auth 6] Focus chain RA [auth 6] Focus chain SA [auth 6] Focus chain WA [auth C] Interactions & Density Focus chain QA [auth 6] Focus chain RA [auth 6] Focus chain SA [auth 6] Focus chain WA [auth C]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.10 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419+SVN
RECONSTRUCTION	RELION

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-07-29

Deposition Author(s):

Boreikaite, V.

Vorlaender, M.K.

Plaschka, C.

Funding Organization	Location	Grant Number
European Molecular Biology Organization (EMBO)	European Union	ALTF 784-2023
Human Frontier Science Program (HFSP)	France	LT0013/2024-L
Austrian Science Fund	Austria	ESP7844224
European Research Council (ERC)	European Union	ERC-2020-STG 949081
Austrian Science Fund	Austria	DOC177-B

Revision History (Full details and data files)

Version 1.0: 2026-07-29
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

9S2G | pdb_00009s2g

Revised structure of the fission yeast defective B* spliceosome (B*d)

Literature

Mechanisms of spliceosome termination

Biological Assembly 1

Macromolecules

Entity ID: 3

UniProt

Entity Groups

Sequence Annotations

Entity ID: 4

UniProt

Entity Groups

Sequence Annotations

Entity ID: 7

UniProt

Entity Groups

Sequence Annotations

Entity ID: 8

UniProt

Entity Groups

Sequence Annotations

Entity ID: 9

UniProt

Entity Groups

Sequence Annotations

Entity ID: 10

UniProt

Entity Groups

Sequence Annotations

Entity ID: 11

UniProt

Entity Groups

Sequence Annotations

Entity ID: 12

UniProt

Entity Groups

Sequence Annotations

Entity ID: 13

UniProt

Entity Groups

Sequence Annotations

Entity ID: 14

UniProt

Entity Groups

Sequence Annotations

Entity ID: 15

UniProt

Entity Groups

Sequence Annotations

Entity ID: 16

UniProt

Entity Groups

Sequence Annotations

Entity ID: 17

UniProt

Entity Groups

Sequence Annotations

Entity ID: 18

UniProt

Entity Groups

Sequence Annotations

Entity ID: 19

UniProt

Entity Groups

Sequence Annotations

Entity ID: 20

UniProt

Entity Groups

Sequence Annotations

Entity ID: 21

UniProt

Entity Groups

Sequence Annotations

Entity ID: 22

UniProt

Entity Groups

Sequence Annotations

Entity ID: 23

UniProt