SMTL ID : 1ci7.1

TERNARY COMPLEX OF THYMIDYLATE SYNTHASE FROM PNEUMOCYSTIS CARINII

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-dimer

Ligands

2 x UMP: 2'-DEOXYURIDINE 5'-MONOPHOSPHATE(Non-covalent)

UMP.1: 17 residues within 4Å: Chain A: R.26, L.170, P.171, C.173, H.174, Q.198, R.199, S.200, C.201, D.202, G.206, N.210, H.240, Y.242 Chain B: R.153, R.154 Ligands: CB3.2 12 PLIP interactions: 9 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:Q.198, A:S.200, A:D.202, A:N.210, A:N.210, A:H.240, A:Y.242, B:R.153 Salt bridges: A:R.26, A:R.199, B:R.153, B:R.154 UMP.3: 14 residues within 4Å: Chain A: R.153, R.154 Chain B: R.26, L.170, C.173, H.174, R.199, S.200, C.201, D.202, G.206, N.210, H.240, Y.242 11 PLIP interactions: 4 interactions with chain A, 7 interactions with chain B Hydrogen bonds: A:R.153, A:R.153, B:S.200, B:D.202, B:N.210, B:N.210, B:H.240 Salt bridges: A:R.153, A:R.154, B:R.26, B:R.199

1 x CB3: 10-PROPARGYL-5,8-DIDEAZAFOLIC ACID(Non-covalent)

CB3.2: 13 residues within 4Å: Chain A: R.56, V.57, F.58, I.86, N.90, D.202, G.206, F.209, N.210, Y.242, M.295, S.296 Ligands: UMP.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:I.86, A:I.86, A:F.209, A:F.209, A:F.209 Hydrogen bonds: A:F.58, A:G.206, A:Y.242, A:S.296, A:S.296 Salt bridges: A:D.202

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Anderson, A.C. et al., The structural mechanism for half-the-sites reactivity in an enzyme, thymidylate synthase, involves a relay of changes between subunits. Biochemistry (1999)

Release Date

2000-04-10

Peptides

PROTEIN (THYMIDYLATE SYNTHASE): AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

PROTEIN (THYMIDYLATE SYNTHASE)

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