SMTL ID : 1m9n.1

CRYSTAL STRUCTURE OF THE HOMODIMERIC BIFUNCTIONAL TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME AVIAN ATIC IN COMPLEX WITH AICAR AND XMP AT 1.93 ANGSTROMS.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.93 Å

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 7 residues within 4Å: Chain A: V.446, T.449, S.451, S.453, D.560, L.610, H.612 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:V.446, A:T.449, A:S.451, A:S.453, A:L.610 K.2: 7 residues within 4Å: Chain B: V.446, T.449, S.451, S.453, D.560, L.610, H.612 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:V.446, B:T.449, B:S.451, B:L.610

2 x AMZ: AMINOIMIDAZOLE 4-CARBOXAMIDE RIBONUCLEOTIDE(Non-covalent)

AMZ.3: 13 residues within 4Å: Chain A: R.228, Y.229, I.259, N.260, K.287, H.288, G.337, D.360 Chain B: R.472, A.561, F.562, R.609, F.611 13 PLIP interactions: 5 interactions with chain B, 8 interactions with chain A Hydrogen bonds: B:R.472, A:N.260, A:H.288, A:D.360 Water bridges: B:F.562, B:R.609, A:F.258, A:I.259, A:I.259, A:K.287 Salt bridges: B:R.609, A:R.228 pi-Stacking: B:F.611 AMZ.4: 12 residues within 4Å: Chain A: A.561, F.562, R.609, F.611 Chain B: R.228, Y.229, I.259, N.260, K.287, H.288, G.337, D.360 12 PLIP interactions: 6 interactions with chain B, 6 interactions with chain A Hydrogen bonds: B:N.260, B:H.288, B:D.360, A:R.609 Water bridges: B:F.258, B:K.287, A:R.472, A:R.472, A:F.562 Salt bridges: B:R.228, A:R.609 pi-Stacking: A:F.611

2 x XMP: XANTHOSINE-5'-MONOPHOSPHATE(Non-covalent)

XMP.5: 23 residues within 4Å: Chain A: S.31, V.32, S.33, K.35, S.55, G.56, G.57, T.58, G.84, R.85, V.86, K.87, T.88, L.89, C.122, N.123, L.124, Y.125, D.146, I.147, G.148, G.149, L.152 21 PLIP interactions: 20 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.31, A:S.33, A:S.33, A:S.55, A:S.55, A:G.57, A:T.58, A:T.58, A:R.85, A:K.87, A:K.87, A:T.88, A:L.89, A:Y.125, A:D.146, A:I.147, A:G.148 Water bridges: A:T.88, B:K.158 Salt bridges: A:K.35, A:K.87 XMP.6: 21 residues within 4Å: Chain B: S.31, V.32, S.33, K.35, S.55, G.57, T.58, G.84, R.85, V.86, K.87, T.88, L.89, C.122, N.123, L.124, Y.125, D.146, I.147, G.148, G.149 24 PLIP interactions: 23 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:S.31, B:S.33, B:S.33, B:S.55, B:S.55, B:G.57, B:T.58, B:T.58, B:R.85, B:K.87, B:K.87, B:T.88, B:L.89, B:Y.125, B:D.146, B:D.146, B:D.146, B:I.147, B:G.148, B:G.149 Salt bridges: B:K.35, B:K.87 pi-Cation interactions: B:K.87 Water bridges: A:K.158

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wolan, D.W. et al., Structural Insights into the Avian AICAR Transformylase Mechanism. Biochemistry (2002)

Release Date

2003-01-07

Peptides

AICAR TRANSFORMYLASE-IMP CYCLOHYDROLASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

AICAR TRANSFORMYLASE-IMP CYCLOHYDROLASE

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