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1SR6

Structure of nucleotide-free scallop myosin S1

Functional Information from GO Data
ChainGOidnamespacecontents
A0003774molecular_functioncytoskeletal motor activity
A0005524molecular_functionATP binding
A0016459cellular_componentmyosin complex
A0051015molecular_functionactin filament binding
B0005509molecular_functioncalcium ion binding
B0016459cellular_componentmyosin complex
B0046872molecular_functionmetal ion binding
C0005509molecular_functioncalcium ion binding
C0005859cellular_componentmuscle myosin complex
C0016459cellular_componentmyosin complex
C0016460cellular_componentmyosin II complex
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 992
ChainResidue
ASER178
AGLY179
AALA180
AGLY181
ALYS182
ATHR183
AASN237
AHOH999

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 990
ChainResidue
BASP30
BASP32
BPHE34
BVAL35
BASP39
BASP28

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA C 991
ChainResidue
CASP19
CASP22
CGLY23
CASP25
CALA27

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DVDRDGFVSkeDI
ChainResidueDetails
BASP28-ILE40

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues50
DetailsDomain: {"description":"Myosin N-terminal SH3-like","evidences":[{"source":"PROSITE-ProRule","id":"PRU01190","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues27
DetailsDomain: {"description":"IQ","evidences":[{"source":"PROSITE-ProRule","id":"PRU00116","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues22
DetailsRegion: {"description":"Actin-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00782","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues7
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues72
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues70
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1vom
ChainResidueDetails
AGLY179
AGLU465
AGLY463
AASN237

246031

PDB entries from 2025-12-10

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