5W2C: Human DNA polymerase kappa

Structure of human DNA polymerase kappa in complex with Lucidin-derived DNA adduct and incoming dAMPNPP. Determined by X-ray diffraction at 2.5 Å resolution. Released 18 Oct 2017.

Method
X-ray diffraction
Resolution
2.5 Å
Organisms
Homo sapiens, unidentified
Chains
6
Atoms
7,962
Mol. weight
142.15 kDa
Ligands
DZ4, MG
Released
18 Oct 2017

Explore 5W2C in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5W2C contains 45 α-helices and 32 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: 23 helices, 16 β-strands

ElementResiduesLengthSheet
α-helix33-4412
α-helix48-7225
α-helix76-9621
β-strand103-10861
α-helix111-1188
α-helix121-1233
β-strand128-13142
β-strand136-13942
α-helix141-1444
α-helix154-1607
β-strand165-16732
α-helix171-18818
β-strand193-19421
β-strand199-20351
α-helix205-2128
α-helix216-2194
β-strand220-22233
β-strand283-28533
α-helix290-30516
β-strand309-31461
α-helix317-32610
β-strand332-33431
α-helix339-3479
β-strand35014
α-helix351-3533
α-helix359-3679
β-strand37214
α-helix373-3786
α-helix380-3867
α-helix389-39911
α-helix407-4093
α-helix411-4133
β-strand415-425115
α-helix428-44821
β-strand453-462105
β-strand467-478125
α-helix481-49919
α-helix503-5042
β-strand506-51495
Chain B: 22 helices, 16 β-strands
ElementResiduesLengthSheet
α-helix33-4412
α-helix48-7225
α-helix76-9621
β-strand103-10866
α-helix111-1188
α-helix121-1233
β-strand128-13147
β-strand136-13947
α-helix141-1444
α-helix154-1596
β-strand165-16737
α-helix168-1692
α-helix171-18818
β-strand193-19426
β-strand199-20356
α-helix205-2117
α-helix216-2194
β-strand220-22238
β-strand283-28538
α-helix290-30516
β-strand309-31466
α-helix317-32610
β-strand332-33436
α-helix339-3468
β-strand35019
α-helix351-3533
α-helix359-3668
β-strand37219
α-helix373-3786
α-helix380-3867
α-helix389-39911
β-strand415-4251110
α-helix428-44922
β-strand453-4621010
β-strand467-4781210
α-helix481-49818
α-helix503-5042
β-strand506-514910

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA polymerase kappaA, Bprotein551Homo sapiensQ9UBT6 (AlphaFold model)
DNA (5'-d(p*cp*gp*gp*ap*tp*cp*gp*ap*c)-3')C, PDNA9unidentified
DNA (5'-d(*cp*tp*ap*tp*(ldg)p*tp*cp*gp*ap*tp*cp*cp*g)-3')D, TDNA13unidentified
Sequence of entity 1 (A, B), FASTA
>5W2C_1 DNA polymerase kappa (chains A, B)
MSYYHHHHHHDYDIPTTENLYFQGAMDSTKEKCDSYKDDLLLRMGLNDNKAGMEGLDKEK
INKIIMEATKGSRFYGNELKKEKQVNQRIENMMQQKAQITSQQLRKAQLQVDRFAMELEQ
SRNLSNTIVHIDMDAFYAAVEMRDNPELKDKPIAVGSMSMLSTSNYHARRFGVRAAMPGF
IAKRLCPQLIIVPPNFDKYRAVSKEVKEILADYDPNFMAMSLDEAYLNITKHLEERQNWP
EDKRRYFIKMGSSVENDNPGKEVNKLSEHERSISPLLFEESPSDVQPPGDPFQVNFEEQN
NPQILQNSVVFGTSAQEVVKEIRFRIEQKTTLTASAGIAPNTMLAKVCSDKNKPNGQYQI
LPNRQAVMDFIKDLPIRKVSGIGKVTEKMLKALGIITCTELYQQRALLSLLFSETSWHYF
LHISLGLGSTHLTRDGERKSMSVERTFSEINKAEEQYSLCQELCSELAQDLQKERLKGRT
VTIKLKNVNFEVKTRASTVSSVVSTAEEIFAIAKELLKTEIDADFPHPLRLRLMGVRISS
FPNEEDRKHQQ
Sequence of entity 2 (C, P), FASTA
>5W2C_2 DNA (5'-D(P*CP*GP*GP*AP*TP*CP*GP*AP*C)-3') (chains C, P)
CGGATCGAC
Sequence of entity 3 (D, T), FASTA
>5W2C_3 DNA (5'-D(*CP*TP*AP*TP*(LDG)P*TP*CP*GP*AP*TP*CP*CP*G)-3') (chains D, T)
CTATXTCGATCCG

Ligands and cofactors

IDNameFormulaCopies
DZ42'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphory…C10 H17 N6 O11 P32
MGMagnesium ionMg6

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

Primary citation

Mechanism of Error-Free DNA Replication Past Lucidin-Derived DNA Damage by Human DNA Polymerase kappa. Yockey, O.P., Jha, V., Ghodke, P.P. et al. Chem Res Toxicol (2017) 30:2023-2032. DOI 10.1021/acs.chemrestox.7b00227 · PubMed

Other PDB entries of the same protein (UniProt Q9UBT6 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 5W2C directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.