3B9Q: CpFtsY from Arabidopsis thaliana

The crystal structure of cpFtsY from Arabidopsis thaliana. Determined by X-ray diffraction at 1.75 Å resolution. Released 25 Dec 2007.

Method
X-ray diffraction
Resolution
1.75 Å
Organism
Arabidopsis thaliana
Chains
1
Atoms
2,493
Mol. weight
32.7 kDa
Ligands
MLI
Released
25 Dec 2007

Explore 3B9Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3B9Q contains 17 α-helices and 8 β-strands across 1 chain. 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: 17 helices, 8 β-strands

ElementResiduesLengthSheet
α-helix66-705
α-helix72-787
α-helix80-856
α-helix90-923
α-helix93-10614
α-helix111-12616
α-helix133-14816
β-strand165-17061
α-helix177-19014
β-strand195-19841
α-helix205-21814
β-strand221-22331
α-helix232-24514
β-strand250-25341
α-helix263-27715
β-strand286-29271
α-helix293-2997
α-helix300-30910
β-strand314-31851
α-helix327-33610
α-helix338-3392
β-strand340-34451
α-helix349-3513
β-strand352-35431
α-helix357-3659

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Chloroplast SRP receptor homolog, alpha subunit CPFTSYAprotein302Arabidopsis thalianaO80842 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>3B9Q_1 Chloroplast SRP receptor homolog, alpha subunit CPFTSY (chains A)
EKVFSGFSKTRENLAVIDELLLFWNLAETDRVLDELEEALLVSDFGPKITVRIVERLRED
IMSGKLKSGSEIKDALKESVLEMLAKKNSKTELQLGFRKPAVIMIVGVNGGGKTTSLGKL
AHRLKNEGTKVLMAAGDTFRAAASDQLEIWAERTGCEIVVAEGDKAKAATVLSKAVKRGK
EEGYDVVLCDTSGRLHTNYSLMEELIACKKAVGKIVSGAPNEILLVLDGNTGLNMLPQAR
EFNEVVGITGLILTKLDGSARGGCVVSVVEELGIPVKFIGVGEAVEDLQPFDPEAFVNAI
FS

Ligands and cofactors

IDNameFormulaCopies
MLIMalonate ionC3 H2 O41

Primary citation

The structure of the chloroplast signal recognition particle (SRP) receptor reveals mechanistic details of SRP GTPase activation and a conserved membrane targeting site. Stengel, K.F., Holdermann, I., Wild, K. et al. FEBS Lett (2007) 581:5671-5676. DOI 10.1016/j.febslet.2007.11.024 · PubMed

Other PDB entries of the same protein (UniProt O80842 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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