2B2V

Crystal structure analysis of human CHD1 chromodomains 1 and 2 bound to histone H3 resi 1-15 MeK4


ChainDomainClassArchitectureTopologyHomology
A2.40.50.40 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P)
A2.40.50.40 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P)
B2.40.50.40 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P)
B2.40.50.40 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P)
C2.40.50.40 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionIdentifierDescriptionCommentsSource
A, BPF18375CDH1/2 SANT-Helical linker 1 (CDH1_2_SANT_HL1)CDH1/2 SANT-Helical linker 1CDH1 is an ATP-dependent chromatin-remodelling factor and plays an important role in regulating nucleosome assembly and mobilization. CHD1 consists of double chromodomain, SNF2-related ATPase domain, and a C-terminal DNA-binding domain. The DNA-bindi ...CDH1 is an ATP-dependent chromatin-remodelling factor and plays an important role in regulating nucleosome assembly and mobilization. CHD1 consists of double chromodomain, SNF2-related ATPase domain, and a C-terminal DNA-binding domain. The DNA-binding domain contains SANT (Swi3, Ada2, N-CoR, TFIIIB) and SLIDE (SANT-like ISWI) domains in its C-terminal region [1]. SANT domains are structurally related to Myb-like domains are common motifs found in chromatin interacting proteins. Deletion of individual SANT or SLIDE domains in CDH1 does not significantly affect nucleosome binding, but combined deletion of both domains severely compromise binding, suggesting that the SANT-SLIDE motif recognizes DNA/nucleosomes as a single cooperative unit. SANT sequences of Chd1 proteins are the most distantly relation group of sequences relation to other SANT/Myb sequences, and are more diverse than other SANT proteins [2]. The SANT and SLIDE regions are well conserved in both Chd1 and ISWI (imitation switch) remodelling enzymes [3]. This domain comprises the SANT region and the helical linker region 1 (HL1).
Domain
A, BPF00271Helicase conserved C-terminal domain (Helicase_C)Helicase conserved C-terminal domain- Family
A, BPF13907Domain of unknown function (DUF4208) (DUF4208)Domain of unknown function (DUF4208)This domain is found at the C-terminus of chromodomain-helicase-DNA-binding proteins. The exact function of the domain is undetermined.Domain
A, BPF00385Chromo (CHRromatin Organisation MOdifier) domain (Chromo)Chromo (CHRromatin Organisation MOdifier) domain- Domain
A, BPF00176SNF2 family N-terminal domain (SNF2_N)SNF2 family N-terminal domain- Family
CPF18375CDH1/2 SANT-Helical linker 1 (CDH1_2_SANT_HL1)CDH1/2 SANT-Helical linker 1CDH1 is an ATP-dependent chromatin-remodelling factor and plays an important role in regulating nucleosome assembly and mobilization. CHD1 consists of double chromodomain, SNF2-related ATPase domain, and a C-terminal DNA-binding domain. The DNA-bindi ...CDH1 is an ATP-dependent chromatin-remodelling factor and plays an important role in regulating nucleosome assembly and mobilization. CHD1 consists of double chromodomain, SNF2-related ATPase domain, and a C-terminal DNA-binding domain. The DNA-binding domain contains SANT (Swi3, Ada2, N-CoR, TFIIIB) and SLIDE (SANT-like ISWI) domains in its C-terminal region [1]. SANT domains are structurally related to Myb-like domains are common motifs found in chromatin interacting proteins. Deletion of individual SANT or SLIDE domains in CDH1 does not significantly affect nucleosome binding, but combined deletion of both domains severely compromise binding, suggesting that the SANT-SLIDE motif recognizes DNA/nucleosomes as a single cooperative unit. SANT sequences of Chd1 proteins are the most distantly relation group of sequences relation to other SANT/Myb sequences, and are more diverse than other SANT proteins [2]. The SANT and SLIDE regions are well conserved in both Chd1 and ISWI (imitation switch) remodelling enzymes [3]. This domain comprises the SANT region and the helical linker region 1 (HL1).
Domain
CPF00271Helicase conserved C-terminal domain (Helicase_C)Helicase conserved C-terminal domain- Family
CPF13907Domain of unknown function (DUF4208) (DUF4208)Domain of unknown function (DUF4208)This domain is found at the C-terminus of chromodomain-helicase-DNA-binding proteins. The exact function of the domain is undetermined.Domain
CPF00385Chromo (CHRromatin Organisation MOdifier) domain (Chromo)Chromo (CHRromatin Organisation MOdifier) domain- Domain
CPF00176SNF2 family N-terminal domain (SNF2_N)SNF2 family N-terminal domain- Family
DPF00125Core histone H2A/H2B/H3/H4 (Histone)Core histone H2A/H2B/H3/H4- Domain

Gene Product Annotation Gene Product Annotation

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, BChromodomain-helicase-DNA-binding protein 1
CChromodomain-helicase-DNA-binding protein 1
DHistone H3