1NMD: Actin

Crystal Structure of D. Discoideum Actin-Gelsolin Segment 1 Complex Crystallized In Presence Of Lithium ATP. Determined by X-ray diffraction at 1.9 Å resolution. Released 4 Feb 2003.

Method
X-ray diffraction
Resolution
1.9 Å
Organisms
Dictyostelium discoideum, Homo sapiens
Chains
2
Atoms
4,162
Mol. weight
56.43 kDa
Ligands
CA, SO2, ATP
Released
4 Feb 2003

Explore 1NMD in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1NMD contains 30 α-helices and 28 β-strands across 2 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: 24 helices, 21 β-strands

ElementResiduesLengthSheet
β-strand8-1251
β-strand16-2161
β-strand2212
β-strand2412
β-strand29-3241
β-strand35-3843
β-strand53-5423
α-helix55-606
β-strand65-6843
β-strand71-7224
β-strand75-7624
α-helix79-8810
α-helix89-946
α-helix98-1003
β-strand103-10751
α-helix113-1219
α-helix122-1265
β-strand131-13661
α-helix137-1448
β-strand150-15565
β-strand160-16675
β-strand169-17025
α-helix172-1743
β-strand176-17835
α-helix182-19413
α-helix203-21614
α-helix223-2319
β-strand238-24146
β-strand247-25046
α-helix253-2597
α-helix264-2674
α-helix272-2732
α-helix274-28310
α-helix287-2948
β-strand297-30045
α-helix302-3043
α-helix309-32012
α-helix326-3272
β-strand329-33025
α-helix338-34811
α-helix352-3554
β-strand357-35821
α-helix359-3657
α-helix367-3693
α-helix370-3734
Chain G: 6 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix6-105
β-strand16-2387
β-strand26-2947
α-helix30-312
α-helix32-343
β-strand37-3938
β-strand43-5197
β-strand57-6597
α-helix71-8717
β-strand92-9877
α-helix104-1074
β-strand115-11738
α-helix121-1233

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
ActinAprotein375Dictyostelium discoideumP07830 (AlphaFold model)
GelsolinGprotein125Homo sapiensP06396 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1NMD_1 Actin (chains A)
DGEDVQALVIDNGSGMCKAGFAGDDAPRAVFPSIVGRPRHTGVMVGMGQKDSYVGDEAQS
KRGILTLKYPIEHGIVTNWDDMEKIWHHTFYNELRVAPEEHPVLLTEAPLNPKANREKMT
QIMFETFNTPAMYVAIQAVLSLYASGRTTGIVMDSGDGVSHTVPIYEGYALPHAILRLDL
AGRDLTDYMMKILTERGYSFTTTAEREIVRDIKEKLAYVALDFEQEMATAASSSALEKSY
ELPDGQVITIGNERFRCPEALFQPSFLGMESAGIHETTYNSIMKCDVDIRKDLYGNVVLS
GGTTMFPGIADRMNKELTALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWISKE
EYDESGPSIVHRKCF
Sequence of entity 2 (G), FASTA
>1NMD_2 Gelsolin (chains G)
MVVEHPEFLKAGKEPGLQIWRVEKFDLVPVPTNLYGDFFTGDAYVILKTVQLRNGNLQYD
LHYWLGNECSQDESGAAAIFTVQLDDYLNGRAVQHREVQGFESATFLGYFKSGLKYKKGG
VASGF

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa1
SO2Sulfur dioxideO2 S1
ATPAdenosine-5'-triphosphateC10 H16 N5 O13 P31

Water and common crystallization additives (SO4) are not listed.

Primary citation

The Structure Of The Non-Vertebrate Actin: Implications For The ATP Hydrolytic Mechanism. Vorobiev, S.M., Strokopytov, B., Drubin, D.G. et al. Proc Natl Acad Sci U S A (2003) 100:5760-5765. DOI 10.1073/pnas.0832273100 · PubMed

Other PDB entries of the same protein (UniProt P07830 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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