Structure of PDB 5l1i Chain A

Receptor sequence

>5l1iA (length=430) Species: 9606 (Homo sapiens)

GPHMATGQDRVVALVDMDCFFVQVEQRQNPHLRNKPCAVVQYKSWKGGGI
IAVSYEARAFGVTRSMWADDAKKLCPDLLLAQVRESRGKANLTKYREASV
EVMEIMSRFAVIERASIDEAYVDLTSAVQERLQKLQGQPISADLLPSTYI
EGLPQGPTVQKEGMRKQGLFQWLDSLQIDNLTSPDLQLTVGAVIVEEMRA
AIERETGFQCSAGISHNKVLAKLACGLNKPNRQTLVSHGSVPQLFSQMPI
RKIRSLGGKLGASVIEILGIEYMGELTQFTESQLQSHFGEKNGSWLYAMC
RGIEHDPVKPRQLPKTIGCSKNFPGKTALATREQVQWWLLQLAQELEERL
TKDRNDNDRVATQLVVSIRVQGDKRLSSLRRCCALTRYDAHKMSHDAFTV
IKNCNTSGIQTEWSPPLTMLFLCATKFSAS

3D structure

• PDB: 5l1i Mechanisms of Insertion of dCTP and dTTP Opposite the DNA Lesion O6-Methyl-2'-deoxyguanosine by Human DNA Polymerase eta.
• Chain: A
• Resolution: 2.78 Å

Enzymatic activity

• Enzyme Commision number: 2.7.7.7: DNA-directed DNA polymerase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	dna	A	Q38 Y39 W42 S62 W64 K86 P316 K317 T318 G320 C321 S322 K323 N324 P326 G327 R351	Q41 Y42 W45 S65 W67 K89 P314 K315 T316 G318 C319 S320 K321 N322 P324 G325 R349
BS02	dna	A	R111 S113 I114 D115 K224 S257 G259 G260 K261 L262 R377 L381 R382 R383	R114 S116 I117 D118 K222 S255 G257 G258 K259 L260 R375 L379 R380 R381
BS03	DCP	A	D13 C16 F17 F18 I48 Y52 R55 R61 D115	D16 C19 F20 F21 I51 Y55 R58 R64 D118
BS04	CA	A	D13 M14 D115	D16 M17 D118
BS05	CA	A	D13 D115 E116	D16 D118 E119

Gene Ontology

Molecular Function

• GO:0003684 damaged DNA binding

Biological Process

• GO:0006281 DNA repair

External links

• PDB: RCSB:5l1i, PDBe:5l1i, PDBj:5l1i
• PDBsum: 5l1i
• PubMed: 27694439
• UniProt: Q9Y253|POLH_HUMAN DNA polymerase eta (Gene Name=POLH)