6FF7

human Bact spliceosome core structure


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.50 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structure and Conformational Dynamics of the Human Spliceosomal BactComplex.

Haselbach, D.Komarov, I.Agafonov, D.E.Hartmuth, K.Graf, B.Dybkov, O.Urlaub, H.Kastner, B.Luhrmann, R.Stark, H.

(2018) Cell 172: 454-464.e11

  • DOI: 10.1016/j.cell.2018.01.010
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • The spliceosome is a highly dynamic macromolecular complex that precisely excises introns from pre-mRNA. Here we report the cryo-EM 3D structure of the human B act spliceosome at 3.4 Å resolution. In the B act state, the splic ...

    The spliceosome is a highly dynamic macromolecular complex that precisely excises introns from pre-mRNA. Here we report the cryo-EM 3D structure of the human B act spliceosome at 3.4 Å resolution. In the B act state, the spliceosome is activated but not catalytically primed, so that it is functionally blocked prior to the first catalytic step of splicing. The spliceosomal core is similar to the yeast B act spliceosome; important differences include the presence of the RNA helicase aquarius and peptidyl prolyl isomerases. To examine the overall dynamic behavior of the purified spliceosome, we developed a principal component analysis-based approach. Calculating the energy landscape revealed eight major conformational states, which we refined to higher resolution. Conformational differences of the highly flexible structural components between these eight states reveal how spliceosomal components contribute to the assembly of the spliceosome, allowing it to generate a dynamic interaction network required for its subsequent catalytic activation.


    Organizational Affiliation

    Department for Structural Dynamics, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany. Electronic address: hstark1@gwdg.de.



Macromolecules

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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
RNA-binding motif protein, X-linked 21322Homo sapiensMutation(s): 0 
Gene Names: RBMX2CGI-79
Find proteins for Q9Y388 (Homo sapiens)
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PHAROS  Q9Y388
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Entity ID: 10
MoleculeChainsSequence LengthOrganismDetails
SNW domain-containing protein 1C536Homo sapiensMutation(s): 0 
Gene Names: SNW1SKIIPSKIP
Find proteins for Q13573 (Homo sapiens)
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PHAROS  Q13573
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Entity ID: 11
MoleculeChainsSequence LengthOrganismDetails
Pleiotropic regulator 1D514Homo sapiensMutation(s): 0 
Gene Names: PLRG1
Find proteins for O43660 (Homo sapiens)
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PHAROS  O43660
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Entity ID: 12
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-processing factor 17E579Homo sapiensMutation(s): 0 
Gene Names: CDC40EHB3PRP17PRPF17
Find proteins for O60508 (Homo sapiens)
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PHAROS  O60508
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Entity ID: 13
MoleculeChainsSequence LengthOrganismDetails
Cell division cycle 5-like proteinL802Homo sapiensMutation(s): 0 
Gene Names: CDC5LKIAA0432PCDC5RP
Find proteins for Q99459 (Homo sapiens)
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PHAROS  Q99459
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Entity ID: 14
MoleculeChainsSequence LengthOrganismDetails
Crooked neck-like protein 1O848Homo sapiensMutation(s): 0 
Gene Names: CRNKL1CRNCGI-201MSTP021
Find proteins for Q9BZJ0 (Homo sapiens)
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PHAROS  Q9BZJ0
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Entity ID: 15
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-splicing factor RBM22P420Homo sapiensMutation(s): 0 
Gene Names: RBM22ZC3H16199G4
Find proteins for Q9NW64 (Homo sapiens)
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Entity ID: 16
MoleculeChainsSequence LengthOrganismDetails
Protein BUD31 homologQ144Homo sapiensMutation(s): 0 
Gene Names: BUD31EDG2
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Entity ID: 17
MoleculeChainsSequence LengthOrganismDetails
Spliceosome-associated protein CWC15 homologR229Homo sapiensMutation(s): 0 
Gene Names: CWC15C11orf5AD-002HSPC148
Find proteins for Q9P013 (Homo sapiens)
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Entity ID: 18
MoleculeChainsSequence LengthOrganismDetails
Serine/arginine repetitive matrix protein 2S2752Homo sapiensMutation(s): 0 
Gene Names: SRRM2KIAA0324SRL300SRM300HSPC075
Find proteins for Q9UQ35 (Homo sapiens)
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Entity ID: 19
MoleculeChainsSequence LengthOrganismDetails
Peptidyl-prolyl cis-trans isomerase-like 1V166Homo sapiensMutation(s): 0 
Gene Names: PPIL1CYPL1CGI-124UNQ2425/PRO4984
EC: 5.2.1.8
Find proteins for Q9Y3C6 (Homo sapiens)
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Entity ID: 20
MoleculeChainsSequence LengthOrganismDetails
Serine/arginine repetitive matrix protein 1Y904Homo sapiensMutation(s): 0 
Gene Names: SRRM1SRM160
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PHAROS  Q8IYB3
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Entity ID: 22
MoleculeChainsSequence LengthOrganismDetails
Peptidyl-prolyl cis-trans isomerase CWC27 homologs472Homo sapiensMutation(s): 0 
Gene Names: CWC27SDCCAG10UNQ438/PRO871
EC: 5.2.1.8
Find proteins for Q6UX04 (Homo sapiens)
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Entity ID: 23
MoleculeChainsSequence LengthOrganismDetails
RING finger protein 113At343Homo sapiensMutation(s): 0 
Gene Names: RNF113ARNF113ZNF183
EC: 2.3.2.27
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Entity ID: 24
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3B subunit 1u1304Homo sapiensMutation(s): 0 
Gene Names: SF3B1SAP155
Find proteins for O75533 (Homo sapiens)
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Entity ID: 25
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3B subunit 3v1217Homo sapiensMutation(s): 0 
Gene Names: SF3B3KIAA0017SAP130
Find proteins for Q15393 (Homo sapiens)
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Entity ID: 26
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3B subunit 5x86Homo sapiensMutation(s): 0 
Gene Names: SF3B5SF3B10
Find proteins for Q9BWJ5 (Homo sapiens)
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Entity ID: 27
MoleculeChainsSequence LengthOrganismDetails
PHD finger-like domain-containing protein 5Ay110Homo sapiensMutation(s): 0 
Gene Names: PHF5A
Find proteins for Q7RTV0 (Homo sapiens)
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PHAROS  Q7RTV0
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Entity ID: 28
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3B subunit 6N, z125Homo sapiensMutation(s): 0 
Gene Names: SF3B6SAP14SF3B14SF3B14ACGI-110HSPC175HT006
Find proteins for Q9Y3B4 (Homo sapiens)
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PHAROS  Q9Y3B4
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Entity ID: 29
MoleculeChainsSequence LengthOrganismDetails
Smad nuclear-interacting protein 10396Homo sapiensMutation(s): 0 
Gene Names: SNIP1
Find proteins for Q8TAD8 (Homo sapiens)
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PHAROS  Q8TAD8
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
BUD13 homolog3619Homo sapiensMutation(s): 0 
Gene Names: BUD13
Find proteins for Q9BRD0 (Homo sapiens)
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PHAROS  Q9BRD0
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Entity ID: 30
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3A subunit 39501Homo sapiensMutation(s): 0 
Gene Names: SF3A3SAP61
Find proteins for Q12874 (Homo sapiens)
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PHAROS  Q12874
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Entity ID: 31
MoleculeChainsSequence LengthOrganismDetails
U5 small nuclear ribonucleoprotein 40 kDa proteinF357Homo sapiensMutation(s): 0 
Gene Names: SNRNP40PRP8BPSFP38WDR57
Find proteins for Q96DI7 (Homo sapiens)
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PHAROS  Q96DI7
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Entity ID: 32
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-processing factor 19G, H, I, J504Homo sapiensMutation(s): 0 
Gene Names: PRPF19NMP200PRP19SNEV
EC: 2.3.2.27
Find proteins for Q9UMS4 (Homo sapiens)
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PHAROS  Q9UMS4
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Entity ID: 33
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-splicing factor SPF27K225Homo sapiensMutation(s): 0 
Gene Names: BCAS2DAM1
Find proteins for O75934 (Homo sapiens)
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PHAROS  O75934
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Entity ID: 34
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-splicing factor SYF1M855Homo sapiensMutation(s): 0 
Gene Names: XAB2HCNPKIAA1177SYF1PP3898
Find proteins for Q9HCS7 (Homo sapiens)
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PHAROS  Q9HCS7
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Entity ID: 35
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-splicing factor CWC22 homologT908Homo sapiensMutation(s): 0 
Gene Names: CWC22KIAA1604NCM
Find proteins for Q9HCG8 (Homo sapiens)
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PHAROS  Q9HCG8
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Entity ID: 36
MoleculeChainsSequence LengthOrganismDetails
Intron-binding protein aquariusU1485Homo sapiensMutation(s): 0 
Gene Names: AQRKIAA0560
EC: 3.6.4.13
Find proteins for O60306 (Homo sapiens)
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PHAROS  O60306
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Entity ID: 37
MoleculeChainsSequence LengthOrganismDetails
U2 small nuclear ribonucleoprotein A'W255Homo sapiensMutation(s): 0 
Gene Names: SNRPA1
Find proteins for P09661 (Homo sapiens)
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PHAROS  P09661
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Entity ID: 38
MoleculeChainsSequence LengthOrganismDetails
U2 small nuclear ribonucleoprotein B''X225Homo sapiensMutation(s): 0 
Gene Names: SNRPB2
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PHAROS  P08579
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Entity ID: 39
MoleculeChainsSequence LengthOrganismDetails
Small nuclear ribonucleoprotein Sm D2a, h118Homo sapiensMutation(s): 0 
Gene Names: SNRPD2SNRPD1
Find proteins for P62316 (Homo sapiens)
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PHAROS  P62316
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Entity ID: 40
MoleculeChainsSequence LengthOrganismDetails
Small nuclear ribonucleoprotein Fb, i86Homo sapiensMutation(s): 0 
Gene Names: SNRPFPBSCF
Find proteins for P62306 (Homo sapiens)
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Entity ID: 41
MoleculeChainsSequence LengthOrganismDetails
Small nuclear ribonucleoprotein Ec, j92Homo sapiensMutation(s): 0 
Gene Names: SNRPE
Find proteins for P62304 (Homo sapiens)
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PHAROS  P62304
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Entity ID: 42
MoleculeChainsSequence LengthOrganismDetails
Small nuclear ribonucleoprotein Gd, k76Homo sapiensMutation(s): 0 
Gene Names: SNRPGPBSCG
Find proteins for P62308 (Homo sapiens)
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Entity ID: 43
MoleculeChainsSequence LengthOrganismDetails
Small nuclear ribonucleoprotein Sm D3e, l126Homo sapiensMutation(s): 0 
Gene Names: SNRPD3
Find proteins for P62318 (Homo sapiens)
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PHAROS  P62318
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Entity ID: 44
MoleculeChainsSequence LengthOrganismDetails
Small nuclear ribonucleoprotein-associated proteins B and B'f, m240Homo sapiensMutation(s): 0 
Gene Names: SNRPBCODSNRPB1
Find proteins for P14678 (Homo sapiens)
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PHAROS  P14678
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Entity ID: 45
MoleculeChainsSequence LengthOrganismDetails
Small nuclear ribonucleoprotein Sm D1g, n119Homo sapiensMutation(s): 0 
Gene Names: SNRPD1
Find proteins for P62314 (Homo sapiens)
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PHAROS  P62314
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Entity ID: 46
MoleculeChainsSequence LengthOrganismDetails
Peptidyl-prolyl cis-trans isomerase Eo301Homo sapiensMutation(s): 0 
Gene Names: PPIECYP33
EC: 5.2.1.8
Find proteins for Q9UNP9 (Homo sapiens)
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PHAROS  Q9UNP9
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Entity ID: 47
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3A subunit 1p793Homo sapiensMutation(s): 0 
Gene Names: SF3A1SAP114
Find proteins for Q15459 (Homo sapiens)
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PHAROS  Q15459
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Entity ID: 48
MoleculeChainsSequence LengthOrganismDetails
Putative pre-mRNA-splicing factor ATP-dependent RNA helicase DHX16q1041Homo sapiensMutation(s): 0 
Gene Names: DHX16DBP2DDX16KIAA0577PRP2
EC: 3.6.4.13
Find proteins for O60231 (Homo sapiens)
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PHAROS  O60231
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Entity ID: 49
MoleculeChainsSequence LengthOrganismDetails
U5 small nuclear ribonucleoprotein 200 kDa helicaser2136Homo sapiensMutation(s): 0 
Gene Names: SNRNP200ASCC3L1HELIC2KIAA0788
EC: 3.6.4.13
Find proteins for O75643 (Homo sapiens)
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PHAROS  O75643
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Entity ID: 50
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-splicing factor ISY1 homologw285Homo sapiensMutation(s): 0 
Gene Names: ISY1KIAA1160
Find proteins for Q9ULR0 (Homo sapiens)
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PHAROS  Q9ULR0
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Entity ID: 6
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3A subunit 27464Homo sapiensMutation(s): 0 
Gene Names: SF3A2SAP62
Find proteins for Q15428 (Homo sapiens)
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PHAROS  Q15428
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Entity ID: 7
MoleculeChainsSequence LengthOrganismDetails
Splicing factor 3B subunit 28895Homo sapiensMutation(s): 0 
Gene Names: SF3B2SAP145
Find proteins for Q13435 (Homo sapiens)
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Entity ID: 8
MoleculeChainsSequence LengthOrganismDetails
Pre-mRNA-processing-splicing factor 8A2335Homo sapiensMutation(s): 0 
Gene Names: PRPF8PRPC8
Find proteins for Q6P2Q9 (Homo sapiens)
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Entity ID: 9
MoleculeChainsSequence LengthOrganismDetails
116 kDa U5 small nuclear ribonucleoprotein componentB972Homo sapiensMutation(s): 0 
Gene Names: EFTUD2KIAA0031SNRP116
Find proteins for Q15029 (Homo sapiens)
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PHAROS  Q15029
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Entity ID: 2
MoleculeChainsLengthOrganism
U2 snRNA2188Homo sapiens

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Entity ID: 21
MoleculeChainsLengthOrganism
pre-mRNAZ369Homo sapiens

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Entity ID: 4
MoleculeChainsLengthOrganism
U5 snRNA5116Homo sapiens

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Entity ID: 5
MoleculeChainsLengthOrganism
U6 snRNA6107Homo sapiens
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
IHP
Query on IHP

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A
INOSITOL HEXAKISPHOSPHATE
C6 H18 O24 P6
IMQLKJBTEOYOSI-GPIVLXJGSA-N
 Ligand Interaction
GTP
Query on GTP

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B
GUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O14 P3
XKMLYUALXHKNFT-UUOKFMHZSA-N
 Ligand Interaction
ADP
Query on ADP

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r
ADENOSINE-5'-DIPHOSPHATE
C10 H15 N5 O10 P2
XTWYTFMLZFPYCI-KQYNXXCUSA-N
 Ligand Interaction
ZN
Query on ZN

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2, P, Q, Z, y
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
MG
Query on MG

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6, r
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 4.50 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2019-03-13
    Type: Initial release
  • Version 1.1: 2019-04-03
    Changes: Advisory, Data collection, Derived calculations
  • Version 1.2: 2019-12-11
    Changes: Other