SMTL ID : 7kqn.2 (1 other biounit)

Ternary complex of TERT (telomerase reverse transcriptase) with RNA template, DNA primer, an incoming dGTP and a downstream hybrid duplex

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.02 Å

Oligo State

monomer

Ligands

1 x DG- DC- DA- DC- DC- DT- DG: DNA (5'-D(*GP*CP*AP*CP*CP*TP*G)-3')(Non-covalent)

DG-DC-DA-DC-DC-DT-DG.1: 28 residues within 4Å: Chain A: H.144, D.251, Y.256, T.341, V.342, D.343, D.344, C.390, G.391, K.406, K.416, F.417, K.418, N.421, N.423, P.442, F.443, N.446, K.477 Chain B: C.11, A.12, G.13, G.14, U.15, G.16, C.17, A.18 Ligands: DGT.15 Protein-ligand interaction information (PLIP) not available

1 x DT- DT- DC- DT- DT- DT- DG: DNA (5'-D(*TP*TP*CP*TP*TP*TP*G)-3')(Non-covalent)

DT-DT-DC-DT-DT-DT-DG.2: 9 residues within 4Å: Chain A: E.152, I.155 Chain B: C.1, A.2, A.3, A.4, G.5, A.6, A.7 Protein-ligand interaction information (PLIP) not available

11 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.3: 3 residues within 4Å: Chain A: C.390, K.392, F.451 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:C.390 Water bridges: A:K.392 EDO.4: 2 residues within 4Å: Chain A: R.511, K.514 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:A.507, A:K.514 Water bridges: A:R.511, A:R.511 EDO.5: 2 residues within 4Å: Chain A: K.526 Ligands: EDO.6 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.526 Water bridges: A:T.528 EDO.6: 6 residues within 4Å: Chain A: T.528, Q.530, C.531, K.567, H.569 Ligands: EDO.5 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:C.531, A:H.569 EDO.7: 4 residues within 4Å: Chain A: K.266, L.267, S.270, F.323 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.270, A:S.270 Water bridges: A:K.266, A:K.266 EDO.8: 7 residues within 4Å: Chain A: V.183, S.198, I.199, F.200, P.201 Chain B: A.8, U.9 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.198, A:I.199 EDO.9: 1 residues within 4Å: Ligands: EDO.10 No protein-ligand interaction detected (PLIP) EDO.10: 1 residues within 4Å: Ligands: EDO.9 No protein-ligand interaction detected (PLIP) EDO.11: 4 residues within 4Å: Chain A: D.429, N.430, P.431, A.432 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.430, A:A.432 EDO.12: 7 residues within 4Å: Chain A: V.259, K.260, I.261, P.262, N.303, H.304, G.305 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:I.261, A:N.303, A:G.305 EDO.16: 4 residues within 4Å: Chain A: K.10 Chain B: A.7, A.8, U.9 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.10

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.13: 2 residues within 4Å: Chain A: S.503, R.506 1 PLIP interactions: 1 interactions with chain A Water bridges: A:R.506

1 x CA: CALCIUM ION(Non-covalent)

CA.14: 4 residues within 4Å: Chain A: D.251, I.252, D.343 Ligands: DGT.15 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.251, A:D.251, A:I.252, A:D.343

1 x DGT: 2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

DGT.15: 17 residues within 4Å: Chain A: K.189, R.194, D.251, I.252, R.253, D.254, A.255, Y.256, Q.308, G.309, D.343, N.369, K.372 Chain B: C.10, C.11 Ligands: DG-DC-DA-DC-DC-DT-DG.1, CA.14 28 PLIP interactions: 28 interactions with chain A Hydrophobic interactions: A:Y.256, A:Q.308 Hydrogen bonds: A:I.252, A:D.254, A:A.255, A:Y.256, A:Q.308, A:N.369 Water bridges: A:K.189, A:N.192, A:R.194, A:R.194, A:R.194, A:L.307, A:G.309, A:N.369, A:K.372, A:K.372, A:K.372 Salt bridges: A:K.189, A:K.189, A:K.189, A:R.194, A:R.194, A:K.372, A:K.372, A:K.372 pi-Cation interactions: A:R.194

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Choi, W.S. et al., Flexibility of telomerase in binding the RNA template and DNA telomeric repeat. Proc.Natl.Acad.Sci.USA (2022)

Release Date

2022-03-23

Peptides

Telomerase reverse transcriptase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

Telomerase reverse transcriptase

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