8XKJ: Ckappa domain of human immunoglobulin

Ckappa domain of human immunoglobulin. Determined by solution NMR. Released 5 Feb 2025.

Method
Solution NMR
Organism
Homo sapiens
Chains
1
Atoms
865
Mol. weight
12.3 kDa
Released
5 Feb 2025

Explore 8XKJ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8XKJ contains 5 α-helices and 12 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: 5 helices, 12 β-strands

ElementResiduesLengthSheet
β-strand7-1041
α-helix11-133
α-helix14-185
β-strand21-2222
β-strand25-2841
β-strand37-4263
β-strand45-4623
β-strand5114
α-helix541
β-strand5511
α-helix56-583
β-strand67-7041
β-strand7114
β-strand73-7422
α-helix75-795
β-strand83-8973
β-strand100-10233

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Immunoglobulin kappa light chainAprotein111Homo sapiensP0DOX7 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>8XKJ_1 Immunoglobulin kappa light chain (chains A)
VAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSK
DSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGESENLYFQ

Primary citation

Identification of potential C1-binding sites in the immunoglobulin CL domains. Yanaka, S., Kodama, A., Nishiguchi, S. et al. Int Immunol (2024) 36:405-412. DOI 10.1093/intimm/dxae017 · PubMed

Other PDB entries of the same protein (UniProt P0DOX7 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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