2CIA: Human nck2 sh2-domain

human nck2 sh2-domain in complex with a decaphosphopeptide from translocated intimin receptor (tir) of epec. Determined by X-ray diffraction at 1.45 Å resolution. Released 24 Apr 2006.

Method
X-ray diffraction
Resolution
1.45 Å
Organisms
HOMO SAPIENS, ESCHERICHIA COLI
Chains
2
Atoms
1,102
Mol. weight
13.09 kDa
Ligands
IPA
Released
24 Apr 2006

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

Secondary structure: helices and β-sheets

2CIA contains 3 α-helices and 10 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: 2 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand28611
α-helix292-30211
β-strand307-31261
β-strand320-32451
β-strand331-33551
β-strand336-33832
β-strand341-34442
β-strand347-34932
α-helix352-36110
β-strand365-36623
β-strand372-37323
β-strand377-37821
Chain L: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix475-4784

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Cytoplasmic protein NCK2Aprotein102HOMO SAPIENSO43639 (AlphaFold model)
Translocated intimin receptorLprotein11ESCHERICHIA COLIB7UM99 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2CIA_1 CYTOPLASMIC PROTEIN NCK2 (chains A)
GPLGSEWYYGNVTRHQAECALNERGVEGDFLIRDSESSPSDFSVSLKASGKNKHFKVQLV
DNVYCIGQRRFHTMDELVEHYKKAPIFTSEHGEKLYLVRALQ
Sequence of entity 2 (L), FASTA
>2CIA_2 TRANSLOCATED INTIMIN RECEPTOR (chains L)
XHIYDEVAADP

Ligands and cofactors

IDNameFormulaCopies
IPAIsopropyl alcoholC3 H8 O1

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

Primary citation

The Phosphotyrosine Peptide Binding Specificity of Nck1 and Nck2 Src Homology 2 Domains. Frese, S., Schubert, W.-D., Findeis, A.C. et al. J Biol Chem (2006) 281:18236. DOI 10.1074/JBC.M512917200 · PubMed

Other PDB entries of the same protein (UniProt O43639 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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