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3MKD

Crystal structure of myosin-2 dictyostelium discoideum motor domain S456Y mutant in complex with adp-orthovanadate

Functional Information from GO Data
ChainGOidnamespacecontents
A0003774molecular_functioncytoskeletal motor activity
A0005524molecular_functionATP binding
A0016459cellular_componentmyosin complex
A0051015molecular_functionactin filament binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 901
ChainResidue
ATHR186
ASER237
AVO4998
AADP999
AHOH1017
AHOH1102

site_idAC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE VO4 A 998
ChainResidue
AASN233
ASER236
ASER237
AGLY457
AMG901
AADP999
AHOH1010
AHOH1017
ASER181
AGLY182
ALYS185

site_idAC3
Number of Residues20
DetailsBINDING SITE FOR RESIDUE ADP A 999
ChainResidue
AASN127
APRO128
APHE129
ALYS130
ATYR135
AGLY182
AALA183
AGLY184
ALYS185
ATHR186
AGLU187
AASN233
AMG901
AVO4998
AHOH1017
AHOH1019
AHOH1021
AHOH1083
AHOH1102
AHOH1258

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues52
DetailsDomain: {"description":"Myosin N-terminal SH3-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU01190","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues22
DetailsRegion: {"description":"Actin-binding"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"N6,N6-dimethyllysine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues8
DetailsM-CSA 534
ChainResidueDetails
ASER181proton acceptor, proton donor, proton relay
AGLY182electrostatic stabiliser
ATHR186metal ligand
AASN233electrostatic stabiliser
ASER236proton acceptor, proton donor, proton relay
ASER237metal ligand
AGLY457electrostatic stabiliser
AGLU459electrostatic stabiliser, proton acceptor, proton donor

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PDB entries from 2026-01-14

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