7PC3: The second PDZ domain of DLG1

The second PDZ domain of DLG1 complexed with the PDZ-binding motif of HTLV1-TAX1. Determined by X-ray diffraction at 1.95 Å resolution. Released 20 Apr 2022.

Method
X-ray diffraction
Resolution
1.95 Å
Organisms
Homo sapiens, HTLV-1 subtype A
Chains
2
Atoms
3,721
Mol. weight
48.86 kDa
Ligands
CA
Released
20 Apr 2022

Explore 7PC3 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7PC3 contains 24 α-helices and 13 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, 12 β-strands

ElementResiduesLengthSheet
α-helix315-3162
β-strand317-32371
β-strand32512
β-strand32812
β-strand331-33551
β-strand33713
β-strand34214
β-strand34514
β-strand348-35361
α-helix358-3625
β-strand370-37451
β-strand377-37821
β-strand38313
α-helix384-3929
β-strand397-40371
α-helix418-43316
α-helix439-4468
α-helix451-46515
α-helix469-4768
α-helix479-48810
α-helix492-50312
α-helix511-52010
α-helix523-53715
α-helix541-5488
α-helix551-56111
α-helix565-5673
α-helix574-58714
α-helix596-60510
α-helix608-62114
α-helix626-6338
α-helix636-65015
α-helix652-66413
α-helix671-68111
α-helix686-69712
α-helix701-7088
α-helix711-72111
Chain C: 0 helices, 1 β-strand
ElementResiduesLengthSheet
β-strand204-20521

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Disks large homolog 1,Annexin A2Aprotein417Homo sapiensP07355 (AlphaFold model), Q12959 (AlphaFold model)
Protein Tax-1Cprotein10HTLV-1 subtype AP03409
Sequence of entity 1 (A), FASTA
>7PC3_1 Disks large homolog 1,Annexin A2 (chains A)
GSHMGSEKIMEIKLIKGPKGLGFSIAGGVGNQHIPGDNSIYVTKIIEGGAAHKDGKLQIG
DKLLAVNNVCLEEVTHEEAVTALKNTSDFVYLKVAKPTSMYMNDGSAYTNFDAERDALNI
ETAIKTKGVDEVTIVNILTNRSNEQRQDIAFAYQRRTKKELASALKSALSGHLETVILGL
LKTPAQYDASELKASMKGLGTDEDSLIEIICSRTNQELQEINRVYKEMYKTDLEKDIISD
TSGDFRKLMVALAKGRRAEDGSVIDYELIDQDARDLYDAGVKRKGTDVPKWISIMTERSV
PHLQKVFDRYKSYSPYDMLESIRKEVKGDLENAFLNLVQCIQNKPLYFADRLYDSMKGKG
TRDKVLIRIMVSRSEVDMLKIRSEFKRKYGKSLYYYIQQDTKGDYQKALLYLCGGDD
Sequence of entity 2 (C), FASTA
>7PC3_2 Protein Tax-1 (chains C)
SEKHFRETEV

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa4

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

Primary citation

A scalable strategy to solve structures of PDZ domains and their complexes. Cousido-Siah, A., Carneiro, L., Kostmann, C. et al. Acta Crystallogr D Struct Biol (2022) 78:509-516. DOI 10.1107/S2059798322001784 · PubMed

Other PDB entries of the same protein (UniProt P07355 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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