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3HOR

Structure of the actin-binding domain of human filamin A (reduced)

Functional Information from GO Data
ChainGOidnamespacecontents
A0030036biological_processactin cytoskeleton organization
A0051015molecular_functionactin filament binding
B0030036biological_processactin cytoskeleton organization
B0051015molecular_functionactin filament binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 A 270
ChainResidue
ALYS220
APRO221
AVAL222
ATHR223

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 A 271
ChainResidue
ASER61
ALYS62
AARG63
AARG76

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 B 270
ChainResidue
BPRO221
BVAL222
BTHR223
BLYS220

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PO4 B 271
ChainResidue
BSER194
BARG196

Functional Information from PROSITE/UniProt
site_idPS00019
Number of Residues10
DetailsACTININ_1 Actinin-type actin-binding domain signature 1. QQnTFTRWCN
ChainResidueDetails
AGLN45-ASN54

site_idPS00020
Number of Residues25
DetailsACTININ_2 Actinin-type actin-binding domain signature 2. LvSIDSkAIvDgnlkLiLGLIWtLI
ChainResidueDetails
ALEU121-ILE145

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues106
DetailsDomain: {"description":"Calponin-homology (CH) 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00044","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues5
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"24052262","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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