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5W1A

The first X-ray crystal structure of an insect muscle myosin. Drosophila melanogaster, skeletal muscle myosin II, an embryonic isoform, subfragment-1

Replaces:  4QBD
Functional Information from GO Data
ChainGOidnamespacecontents
A0003774molecular_functioncytoskeletal motor activity
A0005524molecular_functionATP binding
A0016459cellular_componentmyosin complex
A0051015molecular_functionactin filament binding
B0005509molecular_functioncalcium ion binding
C0003774molecular_functioncytoskeletal motor activity
C0005524molecular_functionATP binding
C0016459cellular_componentmyosin complex
C0051015molecular_functionactin filament binding
D0005509molecular_functioncalcium ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues10
Detailsbinding site for residue FLC A 2000
ChainResidue
ASER181
AHOH2188
AGLY182
AALA183
AGLY184
ALYS185
ATHR186
AGLU187
ALYS680
AHOH2119

site_idAC2
Number of Residues6
Detailsbinding site for residue GOL A 2001
ChainResidue
ALEU267
ALYS269
AALA651
AHOH2161
AHOH2324
AHOH2372

site_idAC3
Number of Residues7
Detailsbinding site for residue GOL A 2002
ChainResidue
AGLN486
APHE487
AHIS490
AARG664
AHOH2143
AHOH2147
AHOH2174

site_idAC4
Number of Residues4
Detailsbinding site for residue EDO A 2003
ChainResidue
AVAL80
AASN81
AHIS104
AHOH2370

site_idAC5
Number of Residues5
Detailsbinding site for residue EDO A 2004
ChainResidue
ALYS483
AGLN486
AILE520
AARG664
AHOH2146

site_idAC6
Number of Residues4
Detailsbinding site for residue EDO A 2005
ChainResidue
ATYR500
AASP506
APHE509
APHE710

site_idAC7
Number of Residues9
Detailsbinding site for residue FLC C 2000
ChainResidue
CGLY182
CGLY184
CLYS185
CTHR186
CGLU187
CASN239
CHOH2102
CHOH2167
CHOH2376

site_idAC8
Number of Residues9
Detailsbinding site for residue GOL C 2001
ChainResidue
CSER241
CARG242
CPHE243
CGLY244
CLEU266
CILE461
CALA462
CTYR652
CHOH2121

site_idAC9
Number of Residues6
Detailsbinding site for residue GOL C 2002
ChainResidue
CTYR135
CASN137
CALA140
CPHE156
CTHR198
CHOH2141

site_idAD1
Number of Residues1
Detailsbinding site for residue EDO C 2003
ChainResidue
CARG138

Functional Information from PROSITE/UniProt
site_idPS00639
Number of Residues11
DetailsTHIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. LQHALLALGES
ChainResidueDetails
BLEU105-SER115

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBINDING: BINDING => ECO:0000250
ChainResidueDetails
AGLY179
CGLY179

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PDB entries from 2024-07-17

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