1ZBD: Rabphilin-3A

Structural basis of rab effector specificity: crystal structure of the small G protein RAB3A complexed with the effector domain of rabphilin-3A. Determined by X-ray diffraction at 2.6 Å resolution. Released 2 Apr 1999.

Method
X-ray diffraction
Resolution
2.6 Å
Organism
Rattus norvegicus
Chains
2
Atoms
2,524
Mol. weight
39.79 kDa
Ligands
MG, GTP, ZN
Released
2 Apr 1999

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

Secondary structure: helices and β-sheets

1ZBD contains 11 α-helices and 14 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: 7 helices, 8 β-strands

ElementResiduesLengthSheet
β-strand21-2881
α-helix35-439
β-strand57-66101
β-strand69-78101
α-helix82-843
α-helix85-895
α-helix92-943
β-strand97-10371
α-helix107-12317
β-strand129-13571
α-helix147-15711
β-strand160-16341
β-strand16512
β-strand17012
α-helix173-18917
Chain B: 4 helices, 6 β-strands
ElementResiduesLengthSheet
α-helix50-8435
β-strand9313
β-strand10013
β-strand108-11034
β-strand117-11934
β-strand123-12535
α-helix133-1342
β-strand135-13735
α-helix138-14912
α-helix152-1554

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Rabphilin-3AAprotein203Rattus norvegicusP63012 (AlphaFold model)
Rabphilin-3ABprotein134Rattus norvegicusP47709 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1ZBD_1 RABPHILIN-3A (chains A)
GSHMFDYMFKILIIGNSSVGKTSFLFRYADDSFTPAFVSTVGIDFKVKTIYRNDKRIKLQ
IWDTAGLERYRTITTAYYRGAMGFILMYDITNEESFNAVQDWSTQIKTYSWDNAQVLLVG
NKCDMEDERVVSSERGRQLADHLGFEFFEASAKDNINVKQTFERLVDVICEKMSESLDTA
DPAVTGAKQGPQLTDQQAPPHQD
Sequence of entity 2 (B), FASTA
>1ZBD_2 RABPHILIN-3A (chains B)
GSHMRKQEELTDEEKEIINRVIARAEKMETMEQERIGRLVDRLETMRKNVAGDGVNRCIL
CGEQLGMLGSASVVCEDCKKNVCTKCGVETSNNRPHPVWLCKICLEQREVWKRSGAWFFK
GFPKQVLPQPMPIK

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
GTPGuanosine-5'-triphosphateC10 H16 N5 O14 P31
ZNZinc ionZn2

Primary citation

Structural basis of Rab effector specificity: crystal structure of the small G protein Rab3A complexed with the effector domain of rabphilin-3A. Ostermeier, C., Brunger, A.T. Cell (1999) 96:363-374. DOI 10.1016/S0092-8674(00)80549-8 · PubMed

Other PDB entries of the same protein (UniProt P63012 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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