SMTL ID : 1rag.1

CRYSTAL STRUCTURE OF CTP-LIGATED T STATE ASPARTATE TRANSCARBAMOYLASE AT 2.5 ANGSTROMS RESOLUTION: IMPLICATIONS FOR ATCASE MUTANTS AND THE MECHANISM OF NEGATIVE COOPERATIVITY

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

hetero-6-6-mer

Ligands

6 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain B: C.109, C.114, C.138, C.141 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.109, B:C.114, B:C.138, B:C.141 ZN.3: 4 residues within 4Å: Chain D: C.109, C.114, C.138, C.141 4 PLIP interactions: 4 interactions with chain D Metal complexes: D:C.109, D:C.114, D:C.138, D:C.141 ZN.5: 4 residues within 4Å: Chain F: C.109, C.114, C.138, C.141 4 PLIP interactions: 4 interactions with chain F Metal complexes: F:C.109, F:C.114, F:C.138, F:C.141 ZN.7: 4 residues within 4Å: Chain H: C.109, C.114, C.138, C.141 4 PLIP interactions: 4 interactions with chain H Metal complexes: H:C.109, H:C.114, H:C.138, H:C.141 ZN.9: 4 residues within 4Å: Chain J: C.109, C.114, C.138, C.141 4 PLIP interactions: 4 interactions with chain J Metal complexes: J:C.109, J:C.114, J:C.138, J:C.141 ZN.11: 4 residues within 4Å: Chain L: C.109, C.114, C.138, C.141 4 PLIP interactions: 4 interactions with chain L Metal complexes: L:C.109, L:C.114, L:C.138, L:C.141

6 x CTP: CYTIDINE-5'-TRIPHOSPHATE(Non-covalent)

CTP.2: 13 residues within 4Å: Chain B: V.9, A.11, I.12, V.17, D.19, H.20, K.60, T.82, N.84, I.86, Y.89, V.91, K.94 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:I.12, B:K.60, B:K.60, B:Y.89 Salt bridges: B:H.20, B:K.94, B:K.94, B:K.94 CTP.4: 14 residues within 4Å: Chain D: E.10, A.11, I.12, V.17, D.19, E.52, K.60, T.82, N.84, I.86, Y.89, E.90, V.91, K.94 7 PLIP interactions: 7 interactions with chain D Hydrogen bonds: D:I.12, D:D.19, D:T.82, D:Y.89 Water bridges: D:E.52, D:E.52 Salt bridges: D:K.94 CTP.6: 13 residues within 4Å: Chain F: V.9, A.11, I.12, V.17, D.19, H.20, K.60, T.82, N.84, I.86, Y.89, V.91, K.94 8 PLIP interactions: 8 interactions with chain F Hydrogen bonds: F:I.12, F:K.60, F:K.60, F:Y.89 Salt bridges: F:H.20, F:K.94, F:K.94, F:K.94 CTP.8: 14 residues within 4Å: Chain H: E.10, A.11, I.12, V.17, D.19, E.52, K.60, T.82, N.84, I.86, Y.89, E.90, V.91, K.94 7 PLIP interactions: 7 interactions with chain H Hydrogen bonds: H:I.12, H:D.19, H:T.82, H:Y.89 Water bridges: H:E.52, H:E.52 Salt bridges: H:K.94 CTP.10: 13 residues within 4Å: Chain J: V.9, A.11, I.12, V.17, D.19, H.20, K.60, T.82, N.84, I.86, Y.89, V.91, K.94 8 PLIP interactions: 8 interactions with chain J Hydrogen bonds: J:I.12, J:K.60, J:K.60, J:Y.89 Salt bridges: J:H.20, J:K.94, J:K.94, J:K.94 CTP.12: 14 residues within 4Å: Chain L: E.10, A.11, I.12, V.17, D.19, E.52, K.60, T.82, N.84, I.86, Y.89, E.90, V.91, K.94 7 PLIP interactions: 7 interactions with chain L Hydrogen bonds: L:I.12, L:D.19, L:T.82, L:Y.89 Water bridges: L:E.52, L:E.52 Salt bridges: L:K.94

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kosman, R.P. et al., Crystal structure of CTP-ligated T state aspartate transcarbamoylase at 2.5 A resolution: implications for ATCase mutants and the mechanism of negative cooperativity. Proteins (1993)

Release Date

1994-01-31

Peptides

Aspartate carbamoyltransferase catalytic chain: ACEGIK
Aspartate carbamoyltransferase regulatory chain: BDFHJL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

E
A

G
C

I
A

K
C

B
B

D
D

F
B

H
D

J
B

L
D

Aspartate carbamoyltransferase catalytic chain

Aspartate carbamoyltransferase regulatory chain

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