SMTL ID : 7aav.1

Human pre-Bact-2 spliceosome core structure

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-1-1-1-1-1-1-1-1-1-mer

Ligands

1 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Covalent)

GTP.1: 16 residues within 4Å: Chain A: L.138, H.139, H.140, G.141, K.142, T.143, C.144, G.178, V.179, P.206, G.207, K.259, S.312, Q.313, Y.314 Ligands: MG.2 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:G.141, A:K.142, A:T.143, A:C.144, A:V.179, A:G.207, A:Q.313, A:Y.314 pi-Cation interactions: A:Y.314

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 2 residues within 4Å: Chain A: T.143 Ligands: GTP.1 No protein-ligand interaction detected (PLIP)

1 x KGN: D-chiro inositol hexakisphosphate(Non-covalent)

KGN.3: 8 residues within 4Å: Chain E: Y.341, H.343 Chain G: U.51 Chain J: Q.579, H.610, Y.613, K.623, P.625 4 PLIP interactions: 2 interactions with chain E, 2 interactions with chain J Hydrogen bonds: E:Y.341, J:Q.579 Salt bridges: E:H.343, J:H.610

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Townsend, C. et al., Mechanism of protein-guided folding of the active site U2/U6 RNA during spliceosome activation. Science (2020)

Release Date

2020-12-09

Peptides

116 kDa U5 small nuclear ribonucleoprotein component: A
Protein BUD31 homolog: B
Cell division cycle 5-like protein: C
Spliceosome-associated protein CWC15 homolog: D
Microfibrillar-associated protein 1: E
Pleiotropic regulator 1: F
Pre-mRNA-processing factor 17: H
Pre-mRNA-splicing factor 38A: I
Pre-mRNA-processing-splicing factor 8: J
Pre-mRNA-splicing factor RBM22: K
SNW domain-containing protein 1: L
Zinc finger matrin-type protein 2: M
Ubiquitin-like protein 5: Q

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
r

B
Q

C
L

D
R

E
K

F
G

H
8

I
I

J
A

K
P

L
v

M
N

Q
q

116 kDa U5 small nuclear ribonucleoprotein component

Protein BUD31 homolog

Cell division cycle 5-like protein

Spliceosome-associated protein CWC15 homolog

Microfibrillar-associated protein 1

Pleiotropic regulator 1

Pre-mRNA-processing factor 17

Pre-mRNA-splicing factor 38A

Pre-mRNA-processing-splicing factor 8

Pre-mRNA-splicing factor RBM22

SNW domain-containing protein 1

Zinc finger matrin-type protein 2

Ubiquitin-like protein 5

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