6I7D: Myosin-A

Plasmodium falciparum Myosin A, post-rigor and rigor-like states. Determined by X-ray diffraction at 2.82 Å resolution. Released 7 Aug 2019.

Method
X-ray diffraction
Resolution
2.82 Å
Organism
Plasmodium falciparum
Chains
4
Atoms
24,354
Mol. weight
346.49 kDa
Released
7 Aug 2019

Explore 6I7D in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6I7D contains 149 α-helices and 115 β-strands across 4 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 36 helices, 29 β-strands

ElementResiduesLengthSheet
α-helix5-1410
α-helix20-212
β-strand2411
β-strand3011
β-strand35-3842
α-helix42-465
β-strand53-5752
α-helix581
β-strand66-7272
β-strand80-8232
α-helix84-863
β-strand87-8932
β-strand10113
α-helix102-1043
α-helix110-12213
β-strand127-13043
β-strand133-13753
α-helix148-1569
α-helix160-1623
α-helix164-1652
α-helix167-18115
β-strand185-19173
α-helix197-20913
α-helix219-23517
β-strand236-23724
β-strand245-24624
β-strand249-25683
β-strand262-27093
α-helix275-2784
β-strand28714
α-helix288-2969
α-helix299-3046
α-helix328-34013
α-helix346-36318
β-strand367-37265
β-strand375-38175
α-helix383-3853
α-helix386-39510
α-helix400-4089
β-strand409-41246
β-strand419-42246
β-strand42415
α-helix425-45531
β-strand465-47173
α-helix481-51232
α-helix525-5328
α-helix538-54710
α-helix553-56311
β-strand570-57237
β-strand580-58567
β-strand588-59367
α-helix597-6015
α-helix608-6147
α-helix619-6246
α-helix637-6393
α-helix641-65717
β-strand660-66783
α-helix680-68910
α-helix692-6998
β-strand705-70848
α-helix709-7146
α-helix728-74114
β-strand749-75138
β-strand755-75848
α-helix760-7678
Chain B: 40 helices, 29 β-strands
ElementResiduesLengthSheet
α-helix5-1410
α-helix20-212
β-strand2419
α-helix291
β-strand3019
α-helix311
β-strand35-38410
α-helix42-465
β-strand53-57510
α-helix581
β-strand66-72710
β-strand80-82310
α-helix84-863
β-strand87-89310
β-strand101111
α-helix102-1043
α-helix110-12213
β-strand127-130411
β-strand133-137511
α-helix148-1569
α-helix160-1623
α-helix164-1652
α-helix167-18115
β-strand185-191711
α-helix197-20913
α-helix219-23517
β-strand236-237212
β-strand245-246212
β-strand249-256811
β-strand262-270911
α-helix275-2784
β-strand287112
α-helix288-2969
α-helix299-3057
α-helix328-34013
α-helix346-36318
α-helix365-3662
β-strand367-372613
β-strand375-381713
α-helix383-3853
α-helix386-39510
α-helix400-4089
β-strand409-413514
β-strand418-422514
β-strand424113
α-helix425-45531
β-strand465-471711
α-helix481-51232
α-helix525-5328
α-helix538-54710
α-helix553-56311
β-strand570-572315
β-strand580-585615
β-strand588-593615
α-helix597-6015
α-helix608-6147
α-helix619-6246
α-helix637-6393
α-helix641-65717
β-strand660-667811
α-helix680-68910
α-helix692-6998
β-strand703-708616
α-helix709-7124
α-helix713-7153
α-helix729-74113
β-strand749-751316
β-strand755-759516
α-helix760-7656
Chain C: 36 helices, 28 β-strands
ElementResiduesLengthSheet
α-helix5-1410
α-helix20-212
β-strand24117
β-strand30117
β-strand35-38418
α-helix42-465
β-strand53-57518
α-helix581
β-strand66-72718
β-strand80-82318
α-helix84-863
β-strand87-89318
β-strand101119
α-helix102-1043
α-helix110-12213
β-strand127-130419
β-strand133-137519
α-helix148-1569
α-helix160-1623
α-helix164-1652
α-helix167-18115
β-strand185-191719
α-helix197-20913
α-helix219-23517
β-strand236-237220
β-strand245-246220
β-strand249-256819
β-strand262-270919
α-helix275-2784
β-strand287120
α-helix288-2969
α-helix299-3046
α-helix328-34013
α-helix346-36318
β-strand367-368221
β-strand380-381221
α-helix386-39510
α-helix400-4089
β-strand409-410222
β-strand421-422222
α-helix425-45531
β-strand465-471719
α-helix481-51232
α-helix525-5328
α-helix538-54710
α-helix553-56311
β-strand570-572323
β-strand580-585623
β-strand588-593623
α-helix597-6015
α-helix607-6148
α-helix619-6246
α-helix637-6393
α-helix641-65717
β-strand660-667819
α-helix680-68910
α-helix692-6998
β-strand705-708424
α-helix709-7168
α-helix721-7244
α-helix731-74212
β-strand749-750224
β-strand755-758424
α-helix762-7676
Chain D: 37 helices, 29 β-strands
ElementResiduesLengthSheet
α-helix5-1410
α-helix20-223
β-strand25125
β-strand29-30225
β-strand35-38426
α-helix42-465
β-strand53-57526
α-helix581
β-strand66-72726
β-strand80-82326
α-helix84-863
β-strand88-89226
β-strand101127
α-helix102-1043
α-helix110-12213
β-strand127-130427
β-strand133-137527
α-helix148-1569
α-helix164-1652
α-helix167-18014
β-strand185-191727
α-helix197-20913
α-helix220-23516
β-strand236-237228
β-strand245-246228
β-strand249-256827
β-strand262-270927
α-helix275-2784
β-strand287128
α-helix288-2969
α-helix299-3046
α-helix329-34012
α-helix346-36318
α-helix365-3662
β-strand367-370429
β-strand378-381429
α-helix383-3853
α-helix386-39510
α-helix400-4089
β-strand409-413530
β-strand418-422530
β-strand424129
α-helix425-45329
β-strand465-470627
α-helix481-51232
α-helix520-5223
α-helix525-5328
α-helix538-54710
α-helix553-56311
β-strand570-572331
β-strand580-585631
β-strand588-593631
α-helix597-6015
α-helix607-6148
α-helix619-6246
α-helix641-65717
β-strand660-667827
α-helix680-68910
α-helix692-7009
β-strand705-708432
α-helix709-7157
α-helix721-7244
α-helix731-74111
β-strand749-750232
β-strand755-758432
α-helix760-7656

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Myosin-AA, B, C, Dprotein768Plasmodium falciparumQ8IDR3 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>6I7D_1 Myosin-A (chains A, B, C, D)
MAVTNEEIKTASKIVRRVSNVEAFDKSGSVFKGYQIWTDISPTIENDPNIMFVKCVVQQG
SKKEKLTVVQIDPPGTGTPYDIDPTHAWNCNSQVDPMSFGDIGLLNHTNIPCVLDFLKHR
YLKNQIYTTAVPLIVAINPYKDLGNTTNEWIRRYRDTADHTKLPPHVFTCAREALSNLHG
VNKSQTIIVSGESGAGKTEATKQIMRYFASSKSGNMDLRIQTAIMAANPVLEAFGNAKTI
RNNNSSRFGRFMQLVISHEGGIRYGSVVAFLLEKSRIITQDDNERSYHIFYQFLKGANST
MKSKFGLKGVTEYKLLNPNSTEVSGVDDVKDFEEVIESLKNMELSESDIEVIFSIVAGIL
TLGNVRLIEKQEAGLSDAAAIMDEDMGVFNKACELMYLDPELIKREILIKVTVAGGTKIE
GRWNKNDAEVLKSSLCKAMYEKLFLWIIRHLNSRIEPEGGFKTFMGMLDIFGFEVFKNNS
LEQLFINITNEMLQKNFVDIVFERESKLYKDEGISTAELKYTSNKEVINVLCEKGKSVLS
YLEDQCLAPGGTDEKFVSSCATNLKENNKFTPAKVASNKNFIIQHTIGPIQYCAESFLLK
NKDVLRGDLVEVIKDSPNPIVQQLFEGQVIEKGKIAKGSLIGSQFLNQLTSLMNLINSTE
PHFIRCIKPNENKKPLEWCEPKILIQLHALSILEALVLRQLGYSYRRTFEEFLYQYKFVD
IAAAEDSSVENQNKCVNILKLSGLSESMYKIGKSMVFLKQEGAKILTK

Primary citation

Plasmodium myosin A drives parasite invasion by an atypical force generating mechanism. Robert-Paganin, J., Robblee, J.P., Auguin, D. et al. Nat Commun (2019) 10:3286-3286. DOI 10.1038/s41467-019-11120-0 · PubMed

Other PDB entries of the same protein (UniProt Q8IDR3 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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