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3EKU

Crystal Structure of Monomeric Actin bound to Cytochalasin D

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000281biological_processmitotic cytokinesis
A0005200molecular_functionstructural constituent of cytoskeleton
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005856cellular_componentcytoskeleton
A0006338biological_processchromatin remodeling
A0007010biological_processcytoskeleton organization
A0007291biological_processsperm individualization
A0015629cellular_componentactin cytoskeleton
A0016787molecular_functionhydrolase activity
A0016887molecular_functionATP hydrolysis activity
A0030723biological_processovarian fusome organization
A0031011cellular_componentIno80 complex
A0032507biological_processmaintenance of protein location in cell
A0035060cellular_componentbrahma complex
A0035148biological_processtube formation
A0048468biological_processcell development
A0048646biological_processanatomical structure formation involved in morphogenesis
Functional Information from PDB Data
site_idAC1
Number of Residues27
DetailsBINDING SITE FOR RESIDUE ATP A 800
ChainResidue
AGLY13
AGLY182
AARG210
ALYS213
AGLU214
AGLY301
AGLY302
ATHR303
AMET305
ATYR306
ALYS336
ASER14
ACA901
AHOH913
AHOH949
AHOH954
AHOH981
AHOH982
AHOH998
AHOH1038
AGLY15
AMET16
ALYS18
AGLY156
AASP157
AGLY158
AVAL159

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 901
ChainResidue
AATP800
AHOH918
AHOH949
AHOH954
AHOH972
AHOH1002

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 902
ChainResidue
AGLN225
AGLN263
ASER265
AHOH945
AHOH1147

site_idAC4
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CY9 A 903
ChainResidue
ATYR133
AALA135
AILE136
ATYR143
AGLY168
ATYR169
AALA170
APRO172
AMET355
APHE375
AHOH910

Functional Information from PROSITE/UniProt
site_idPS00406
Number of Residues11
DetailsACTINS_1 Actins signature 1. YVGDEAQs.KRG
ChainResidueDetails
ATYR53-GLY63

site_idPS00432
Number of Residues9
DetailsACTINS_2 Actins signature 2. WISKqEYDE
ChainResidueDetails
ATRP356-GLU364

site_idPS01132
Number of Residues13
DetailsACTINS_ACT_LIKE Actins and actin-related proteins signature. LLTEApLNPkaNR
ChainResidueDetails
ALEU104-ARG116

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsModified residue: {"description":"Tele-methylhistidine","evidences":[{"source":"UniProtKB","id":"P02572","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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