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3FFK

Crystal structure of human Gelsolin domains G1-G3 bound to Actin

Functional Information from GO Data
ChainGOidnamespacecontents
A0051015molecular_functionactin filament binding
B0000166molecular_functionnucleotide binding
B0000287molecular_functionmagnesium ion binding
B0001725cellular_componentstress fiber
B0003785molecular_functionactin monomer binding
B0005509molecular_functioncalcium ion binding
B0005515molecular_functionprotein binding
B0005523molecular_functiontropomyosin binding
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0005856cellular_componentcytoskeleton
B0005865cellular_componentstriated muscle thin filament
B0005884cellular_componentactin filament
B0010628biological_processpositive regulation of gene expression
B0016787molecular_functionhydrolase activity
B0019904molecular_functionprotein domain specific binding
B0030027cellular_componentlamellipodium
B0030041biological_processactin filament polymerization
B0030175cellular_componentfilopodium
B0030240biological_processskeletal muscle thin filament assembly
B0031013molecular_functiontroponin I binding
B0031432molecular_functiontitin binding
B0031941cellular_componentfilamentous actin
B0032036molecular_functionmyosin heavy chain binding
B0032432cellular_componentactin filament bundle
B0042802molecular_functionidentical protein binding
B0044297cellular_componentcell body
B0048306molecular_functioncalcium-dependent protein binding
B0048741biological_processskeletal muscle fiber development
B0051017biological_processactin filament bundle assembly
B0090131biological_processmesenchyme migration
B0098723cellular_componentskeletal muscle myofibril
B0140660molecular_functioncytoskeletal motor activator activity
D0051015molecular_functionactin filament binding
E0000166molecular_functionnucleotide binding
E0000287molecular_functionmagnesium ion binding
E0001725cellular_componentstress fiber
E0003785molecular_functionactin monomer binding
E0005509molecular_functioncalcium ion binding
E0005515molecular_functionprotein binding
E0005523molecular_functiontropomyosin binding
E0005524molecular_functionATP binding
E0005737cellular_componentcytoplasm
E0005856cellular_componentcytoskeleton
E0005865cellular_componentstriated muscle thin filament
E0005884cellular_componentactin filament
E0010628biological_processpositive regulation of gene expression
E0016787molecular_functionhydrolase activity
E0019904molecular_functionprotein domain specific binding
E0030027cellular_componentlamellipodium
E0030041biological_processactin filament polymerization
E0030175cellular_componentfilopodium
E0030240biological_processskeletal muscle thin filament assembly
E0031013molecular_functiontroponin I binding
E0031432molecular_functiontitin binding
E0031941cellular_componentfilamentous actin
E0032036molecular_functionmyosin heavy chain binding
E0032432cellular_componentactin filament bundle
E0042802molecular_functionidentical protein binding
E0044297cellular_componentcell body
E0048306molecular_functioncalcium-dependent protein binding
E0048741biological_processskeletal muscle fiber development
E0051017biological_processactin filament bundle assembly
E0090131biological_processmesenchyme migration
E0098723cellular_componentskeletal muscle myofibril
E0140660molecular_functioncytoskeletal motor activator activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 756
ChainResidue
AGLY186
AASP187
AGLU209
AASP259
AHOH789
AHOH883

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 757
ChainResidue
AVAL145
AGLY65
AASP66
AGLU97

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 758
ChainResidue
AASP109
AGLY114
AALA116
AHOH853
AHOH882
BGLU167

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 759
ChainResidue
AGLU302
AASP303
AGLU327
AHOH777
AHOH802

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 401
ChainResidue
BATP380
BHOH392
BHOH398
BHOH469
BHOH470

site_idAC6
Number of Residues22
DetailsBINDING SITE FOR RESIDUE ATP B 380
ChainResidue
BGLY13
BSER14
BGLY15
BLEU16
BLYS18
BGLY156
BASP157
BGLY158
BVAL159
BGLY182
BARG210
BLYS213
BGLU214
BGLY301
BGLY302
BTHR303
BMET305
BTYR306
BHOH379
BHOH392
BCA401
BHOH470

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA D 756
ChainResidue
DGLY186
DASP187
DGLU209
DASP259
DHOH784
DHOH852

site_idAC8
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA D 757
ChainResidue
DGLY65
DASP66
DGLU97
DVAL145

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA D 758
ChainResidue
DASP109
DGLY114
DALA116
DHOH833
EGLU167

site_idBC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA D 759
ChainResidue
DGLU302
DASP303
DGLU327

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA E 401
ChainResidue
EATP380
EHOH395
EHOH433
EHOH441
EHOH490

site_idBC3
Number of Residues23
DetailsBINDING SITE FOR RESIDUE ATP E 380
ChainResidue
EGLY13
ESER14
EGLY15
ELEU16
ELYS18
EGLY156
EASP157
EGLY158
EVAL159
EGLY182
ELYS213
EGLU214
EGLY301
EGLY302
ETHR303
EMET305
ETYR306
EHOH395
ECA401
EHOH440
EHOH450
EHOH490
EHOH495

Functional Information from PROSITE/UniProt
site_idPS00406
Number of Residues11
DetailsACTINS_1 Actins signature 1. YVGDEAQs.KRG
ChainResidueDetails
BTYR53-GLY63

site_idPS00432
Number of Residues9
DetailsACTINS_2 Actins signature 2. WITKqEYDE
ChainResidueDetails
BTRP356-GLU364

site_idPS01132
Number of Residues13
DetailsACTINS_ACT_LIKE Actins and actin-related proteins signature. LLTEApLNPkaNR
ChainResidueDetails
BLEU104-ARG116

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues164
DetailsRepeat: {"description":"Gelsolin-like 1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues144
DetailsRepeat: {"description":"Gelsolin-like 2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues144
DetailsRepeat: {"description":"Gelsolin-like 3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsRegion: {"description":"Actin-actin interfilament contact point"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues76
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues30
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues28
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19666512","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3FFK","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues30
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphotyrosine; by SRC; in vitro","evidences":[{"source":"PubMed","id":"10210201","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues38
DetailsRegion: {"description":"Interaction with alpha-actinin","evidences":[{"source":"PubMed","id":"8449927","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsModified residue: {"description":"Methionine (R)-sulfoxide","evidences":[{"source":"UniProtKB","id":"P68134","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"N6-malonyllysine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsModified residue: {"description":"Tele-methylhistidine","evidences":[{"source":"PubMed","id":"1150665","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16905096","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"213279","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"2395459","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"499690","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1ATN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NWK","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsModified residue: {"description":"N6-methyllysine","evidences":[{"source":"UniProtKB","id":"P68133","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues2
DetailsModified residue: {"description":"ADP-ribosylarginine; by SpvB","evidences":[{"source":"PubMed","id":"16905096","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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