2RQU: DDEF1_SH3

Solution structure of the complex between the DDEF1 SH3 domain and the APC SAMP1 motif. Determined by solution NMR. Released 7 Jul 2010.

Method
Solution NMR
Organism
Homo sapiens
Chains
2
Atoms
640
Mol. weight
9.12 kDa
Released
7 Jul 2010

Explore 2RQU in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2RQU contains 1 α-helix 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: 1 helix, 8 β-strands

ElementResiduesLengthSheet
β-strand1070-107451
β-strand107812
β-strand108511
β-strand108812
β-strand1093-109971
β-strand1104-110961
β-strand1116-112051
α-helix1121-11233
β-strand1124-112631

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DDEF1_SH3Aprotein61Homo sapiensQ9ULH1 (AlphaFold model)
19-mer from Adenomatous polyposis coli proteinBprotein19Homo sapiensP25054
Sequence of entity 1 (A), FASTA
>2RQU_1 DDEF1_SH3 (chains A)
VRRVKTIYDCQADNDDELTFIEGEVIIVTGEEDQEWWIGHIEGQPERKGVFPVSFVHILS
D
Sequence of entity 2 (B), FASTA
>2RQU_2 19-mer from Adenomatous polyposis coli protein (chains B)
CIISAMPTKSSRKAKKPAQ

Primary citation

Structural basis of the recognition of the SAMP motif of adenomatous polyposis coli by the Src-homology 3 domain. Kaieda, S., Matsui, C., Mimori-Kiyosue, Y. et al. Biochemistry (2010) 49:5143-5153. DOI 10.1021/bi100563z · PubMed

Other PDB entries of the same protein (UniProt Q9ULH1 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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