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4KHA

Structural basis of histone H2A-H2B recognition by the essential chaperone FACT

Functional Information from GO Data
ChainGOidnamespacecontents
A0000786cellular_componentnucleosome
A0003677molecular_functionDNA binding
A0030527molecular_functionstructural constituent of chromatin
A0035101cellular_componentFACT complex
A0046982molecular_functionprotein heterodimerization activity
B0000786cellular_componentnucleosome
B0003677molecular_functionDNA binding
B0030527molecular_functionstructural constituent of chromatin
B0046982molecular_functionprotein heterodimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 1201
ChainResidue
AASN916
ASER1033
AILE1036

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE TRS A 1202
ChainResidue
AVAL855
AGLU856
AASP905
APRO907

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL B 201
ChainResidue
BGLY28
BSER18
BVAL27

Functional Information from PROSITE/UniProt
site_idPS00046
Number of Residues7
DetailsHISTONE_H2A Histone H2A signature. AGLqFPV
ChainResidueDetails
BALA21-VAL27

site_idPS00357
Number of Residues23
DetailsHISTONE_H2B Histone H2B signature. REIQTavRlLLpGELaKHAVSEG
ChainResidueDetails
AARG1089-GLY1111

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI3
Number of Residues1
DetailsGlycosylation: {"description":"O-linked (GlcNAc) serine","evidences":[{"source":"UniProtKB","id":"P62807","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"P0C1H4","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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