6ltj

Electron Microscopy
3.7Å resolution

Structure of nucleosome-bound human BAF complex

Released:
Source organisms:
Primary publication:
Structure of nucleosome-bound human BAF complex.
Science 367 875-881 (2020)
PMID: 32001526
Related structures: EMD-0974

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero icosamer (preferred)
PDBe Complex ID:
PDB-CPX-120225 (preferred)
Entry contents:
13 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (15 distinct):
Histone H3.3 Chains: A, E
Molecule details ›
Chains: A, E
Length: 136 amino acids
Theoretical weight: 15.36 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q6PI79 (Residues: 1-136; Coverage: 100%)
Sequence domains: Core histone H2A/H2B/H3/H4
Histone H4 Chains: B, F
Molecule details ›
Chains: B, F
Length: 103 amino acids
Theoretical weight: 11.39 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P62799 (Residues: 1-103; Coverage: 100%)
Sequence domains: Centromere kinetochore component CENP-T histone fold
Histone H2A type 1 Chains: C, G
Molecule details ›
Chains: C, G
Length: 130 amino acids
Theoretical weight: 13.99 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P06897 (Residues: 1-130; Coverage: 100%)
Sequence domains:
Histone H2B 1.1 Chains: D, H
Molecule details ›
Chains: D, H
Length: 126 amino acids
Theoretical weight: 13.87 KDa
Source organism: Xenopus laevis
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P02281 (Residues: 1-126; Coverage: 100%)
Sequence domains: Core histone H2A/H2B/H3/H4
Transcription activator BRG1 Chain: I
Molecule details ›
Chain: I
Length: 1647 amino acids
Theoretical weight: 184.92 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P51532 (Residues: 1-1647; Coverage: 100%)
Gene names: BAF190A, BRG1, SMARCA4, SNF2B, SNF2L4
Sequence domains:
Actin-like protein 6A Chain: J
Molecule details ›
Chain: J
Length: 407 amino acids
Theoretical weight: 45.24 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: O96019 (Residues: 12-417; Coverage: 95%)
Gene names: ACTL6A, BAF53, BAF53A, INO80K
Sequence domains: Actin
Actin, cytoplasmic 1 Chain: K
Molecule details ›
Chain: K
Length: 375 amino acids
Theoretical weight: 41.78 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: P60709 (Residues: 1-375; Coverage: 100%)
Gene name: ACTB
Sequence domains: Actin
AT-rich interactive domain-containing protein 1A Chain: L
Molecule details ›
Chain: L
Length: 1295 amino acids
Theoretical weight: 142.32 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: O14497 (Residues: 991-2285; Coverage: 57%)
Gene names: ARID1A, BAF250, BAF250A, C1orf4, OSA1, SMARCF1
Sequence domains:
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily B member 1 Chain: M
Molecule details ›
Chain: M
Length: 336 amino acids
Theoretical weight: 38.02 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q12824 (Residues: 1-113, 172-385; Coverage: 85%)
Gene names: BAF47, INI1, SMARCB1, SNF5L1
Sequence domains:
SWI/SNF complex subunit SMARCC2 Chains: N, O
Molecule details ›
Chains: N, O
Length: 1214 amino acids
Theoretical weight: 133.05 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q8TAQ2 (Residues: 1-1214; Coverage: 100%)
Gene names: BAF170, SMARCC2
Sequence domains:
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily D member 1 Chain: P
Molecule details ›
Chain: P
Length: 515 amino acids
Theoretical weight: 58.31 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q96GM5 (Residues: 1-515; Coverage: 100%)
Gene names: BAF60A, SMARCD1
Sequence domains: SWIB/MDM2 domain
SWI/SNF-related matrix-associated actin-dependent regulator of chromatin subfamily E member 1 Chain: Q
Molecule details ›
Chain: Q
Length: 411 amino acids
Theoretical weight: 46.71 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q969G3 (Residues: 1-411; Coverage: 100%)
Gene names: BAF57, SMARCE1
Sequence domains: HMG (high mobility group) box
Zinc finger protein ubi-d4 Chain: R
Molecule details ›
Chain: R
Length: 292 amino acids
Theoretical weight: 32.78 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q92785 (Residues: 1-100, 209-391; Coverage: 72%)
Gene names: BAF45D, DPF2, REQ, UBID4
Sequence domains:
DNA (119-MER) Chain: X
Molecule details ›
Chain: X
Length: 119 nucleotides
Theoretical weight: 36.52 KDa
DNA (119-MER) Chain: Y
Molecule details ›
Chain: Y
Length: 119 nucleotides
Theoretical weight: 36.93 KDa

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.7Å
Relevant EMDB volumes: EMD-0974
Expression systems:
  • Escherichia coli BL21
  • Homo sapiens