3L2P: DNA ligase 3

Human DNA Ligase III Recognizes DNA Ends by Dynamic Switching Between Two DNA Bound States. Determined by X-ray diffraction at 3.0 Å resolution. Released 14 Jul 2010.

Method
X-ray diffraction
Resolution
3.0 Å
Organism
Homo sapiens
Chains
4
Atoms
5,022
Mol. weight
78.87 kDa
Ligands
AMP
Released
14 Jul 2010

Explore 3L2P in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3L2P contains 28 α-helices and 25 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: 28 helices, 25 β-strands

ElementResiduesLengthSheet
α-helix172-1743
β-strand17511
α-helix176-18712
α-helix192-20413
α-helix216-2238
α-helix236-24712
α-helix251-2577
α-helix258-2603
α-helix263-27210
α-helix278-2803
β-strand28611
α-helix287-29812
α-helix303-31412
α-helix320-32910
α-helix339-3446
α-helix350-3567
α-helix360-37213
β-strand398-40142
α-helix405-4117
β-strand416-42052
β-strand425-43283
β-strand435-43953
α-helix4441
β-strand44513
α-helix446-4472
α-helix448-4503
α-helix454-4563
α-helix458-4614
β-strand467-476103
β-strand47714
β-strand48414
α-helix487-4904
α-helix492-4976
β-strand503-513113
β-strand516-51723
α-helix523-53311
β-strand53713
β-strand541-54333
α-helix544-5452
β-strand546-54942
α-helix552-56413
β-strand570-57452
β-strand584-58962
β-strand601-611115
β-strand623-62975
β-strand636-64275
α-helix648-6536
β-strand693-69975
β-strand702-70436
β-strand713-71536
β-strand719-72025
β-strand73415
α-helix735-7439

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
DNA ligase 3Aprotein579Homo sapiensP49916 (AlphaFold model)
5'-d(p*cp*gp*gp*gp*ap*tp*gp*cp*gp*tp*c)-3'BDNA11
5'-d(*gp*tp*cp*gp*gp*ap*cp*tp*g)-3'CDNA9
5'-d(*gp*cp*cp*ap*gp*tp*cp*cp*gp*ap*cp*gp*ap*cp*gp*cp*ap*tp*cp*cp*cp*g)-3'DDNA22
Sequence of entity 1 (A), FASTA
>3L2P_1 DNA ligase 3 (chains A)
HMRHKDCLLREFRKLCAMVADNPSYNTKTQIIQDFLRKGSAGDGFHGDVYLTVKLLLPGV
IKTVYNLNDKQIVKLFSRIFNCNPDDMARDLEQGDVSETIRVFFEQSKSFPPAAKSLLTI
QEVDEFLLRLSKLTKEDEQQQALQDIASRCTANDLKCIIRLIKHDLKMNSGAKHVLDALD
PNAYEAFKASRNLQDVVERVLHNAQEVEKEPGQRRALSVQASLMTPVQPMLAEACKSVEY
AMKKCPNGMFSEIKYDGERVQVHKNGDHFSYFSRSLKPVLPHKVAHFKDYIPQAFPGGHS
MILDSEVLLIDNKTGKPLPFGTLGVHKKAAFQDANVCLFVFDCIYFNDVSLMDRPLCERR
KFLHDNMVEIPNRIMFSEMKRVTKALDLADMITRVIQEGLEGLVLKDVKGTYEPGKRHWL
KVKKDYLNEGAMADTADLVVLGAFYGQGSKGGMMSIFLMGCYDPGSQKWCTVTKCAGGHD
DATLARLQNELDMVKISKDPSKIPSWLKVNKIYYPDFIVPDPKKAAVWEITGAEFSKSEA
HTADGISIRFPRCTRIRDDKDWKSATNLPQLKELYQLSK
Sequence of entity 2 (B), FASTA
>3L2P_2 5'-D(P*CP*GP*GP*GP*AP*TP*GP*CP*GP*TP*C)-3' (chains B)
CGGGATGCGTC
Sequence of entity 3 (C), FASTA
>3L2P_3 5'-D(*GP*TP*CP*GP*GP*AP*CP*TP*G)-3' (chains C)
GTCGGACTG
Sequence of entity 4 (D), FASTA
>3L2P_4 5'-D(*GP*CP*CP*AP*GP*TP*CP*CP*GP*AP*CP*GP*AP*CP*GP*CP*AP*TP*CP*CP*CP*G)-3' (chains D)
GCCAGTCCGACGACGCATCCCG

Ligands and cofactors

IDNameFormulaCopies
AMPAdenosine monophosphateC10 H14 N5 O7 P1

Primary citation

Human DNA Ligase III Recognizes DNA Ends by Dynamic Switching between Two DNA-Bound States. Cotner-Gohara, E., Kim, I.K., Hammel, M. et al. Biochemistry (2010) 49:6165-6176. DOI 10.1021/bi100503w · PubMed

Other PDB entries of the same protein (UniProt P49916 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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