5W2A: Human DNA polymerase kappa

Structure of human DNA polymerase kappa in complex with Lucidin-derived DNA adduct and incoming dCMPNPP. Determined by X-ray diffraction at 2.9 Å resolution. Released 18 Oct 2017.

Method
X-ray diffraction
Resolution
2.9 Å
Organisms
Homo sapiens, unidentified
Chains
6
Atoms
7,735
Mol. weight
142.28 kDa
Ligands
MG, 0KX
Released
18 Oct 2017

Explore 5W2A in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5W2A contains 44 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: 22 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
α-helix1641
β-strand165-16732
α-helix171-18818
β-strand193-19421
β-strand199-20351
α-helix205-2117
α-helix216-2194
β-strand220-22123
β-strand284-28523
α-helix290-30516
β-strand309-31461
α-helix317-3237
β-strand33411
α-helix339-3468
β-strand35014
α-helix351-3533
α-helix359-3668
β-strand37214
α-helix373-3786
α-helix380-3867
α-helix389-39911
β-strand415-425115
α-helix428-44922
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-helix154-1607
α-helix1641
β-strand165-16737
α-helix171-18818
β-strand193-19426
β-strand199-20356
α-helix205-2117
α-helix217-2193
β-strand220-22128
β-strand284-28528
α-helix290-30516
β-strand309-31466
α-helix317-3248
β-strand33416
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-helix481-49919
α-helix503-5042
β-strand506-514910

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA polymerase kappaA, Bprotein551Homo sapiensQ9UBT6 (AlphaFold model)
DNA (5'-d(p*gp*cp*gp*gp*ap*tp*cp*ap*g)-3')C, PDNA9unidentified
DNA (5'-d(*ap*tp*gp*(ldg)p*cp*tp*gp*ap*tp*cp*cp*gp*c)-3')D, TDNA13unidentified
Sequence of entity 1 (A, B), FASTA
>5W2A_1 DNA polymerase kappa (chains A, B)
MSYYHHHHHHDYDIPTTENLYFQGAMDSTKEKCDSYKDDLLLRMGLNDNKAGMEGLDKEK
INKIIMEATKGSRFYGNELKKEKQVNQRIENMMQQKAQITSQQLRKAQLQVDRFAMELEQ
SRNLSNTIVHIDMDAFYAAVEMRDNPELKDKPIAVGSMSMLSTSNYHARRFGVRAAMPGF
IAKRLCPQLIIVPPNFDKYRAVSKEVKEILADYDPNFMAMSLDEAYLNITKHLEERQNWP
EDKRRYFIKMGSSVENDNPGKEVNKLSEHERSISPLLFEESPSDVQPPGDPFQVNFEEQN
NPQILQNSVVFGTSAQEVVKEIRFRIEQKTTLTASAGIAPNTMLAKVCSDKNKPNGQYQI
LPNRQAVMDFIKDLPIRKVSGIGKVTEKMLKALGIITCTELYQQRALLSLLFSETSWHYF
LHISLGLGSTHLTRDGERKSMSVERTFSEINKAEEQYSLCQELCSELAQDLQKERLKGRT
VTIKLKNVNFEVKTRASTVSSVVSTAEEIFAIAKELLKTEIDADFPHPLRLRLMGVRISS
FPNEEDRKHQQ
Sequence of entity 2 (C, P), FASTA
>5W2A_2 DNA (5'-D(P*GP*CP*GP*GP*AP*TP*CP*AP*G)-3') (chains C, P)
GCGGATCAG
Sequence of entity 3 (D, T), FASTA
>5W2A_3 DNA (5'-D(*AP*TP*GP*(LDG)P*CP*TP*GP*AP*TP*CP*CP*GP*C)-3') (chains D, T)
ATGXCTGATCCGC

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg2
0KX2'-deoxy-5'-O-[(R)-hydroxy{[(R)-hydroxy(phosphonooxy)phosphoryl]amino}phosphory…C9 H17 N4 O12 P32

Water and common crystallization additives (PGE, 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:

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