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1KU5

Crystal Structure of recombinant histone HPhA from hyperthermophilic archaeon Pyrococcus horikoshii OT3

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0005694cellular_componentchromosome
A0005737cellular_componentcytoplasm
A0046982molecular_functionprotein heterodimerization activity
B0003677molecular_functionDNA binding
B0005694cellular_componentchromosome
B0005737cellular_componentcytoplasm
B0046982molecular_functionprotein heterodimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT B 101
ChainResidue
BARG53
BLYS54
BTHR55

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT A 102
ChainResidue
ALYS54
ATHR55
BARG20

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT A 103
ChainResidue
BSER22
ALYS57
AVAL58
AHOH108

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 201
ChainResidue
ASER22
AGLN24
BLYS57
BVAL58
BHOH215

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues10
DetailsRegion: {"description":"Interaction with DNA","evidences":[{"source":"UniProtKB","id":"P19267","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

238582

PDB entries from 2025-07-09

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