SMTL ID : 1zzn.1

Crystal structure of a group I intron/two exon complex that includes all catalytic metal ion ligands.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.37 Å

Oligo State

monomer

Ligands

1 x C- A- 5MU: 5'-R(*CP*AP*(5MU))-3'(Non-functional Binders)

C-A-5MU.1: 13 residues within 4Å: Chain A: G.7, U.8, G.9, C.10, G.34, G.35, A.84, C.85, A.175, G.176, G.177 Chain B: A.17 Ligands: MG.2 No protein-ligand interaction detected (PLIP)

5 x MG: MAGNESIUM ION(Non-functional Binders)

MG.2: 6 residues within 4Å: Chain A: C.85, G.177, A.179 Chain B: A.17 Ligands: C-A-5MU.1, MG.7 No protein-ligand interaction detected (PLIP) MG.3: 4 residues within 4Å: Chain A: A.179, U.180, A.181 Chain B: G.16 No protein-ligand interaction detected (PLIP) MG.5: 6 residues within 4Å: Chain A: U.131, G.132, U.133, A.134, G.177, C.178 No protein-ligand interaction detected (PLIP) MG.6: 1 residues within 4Å: Chain A: U.12 No protein-ligand interaction detected (PLIP) MG.7: 6 residues within 4Å: Chain A: A.134, G.135, A.179 Chain B: G.16, A.17 Ligands: MG.2 No protein-ligand interaction detected (PLIP)

1 x K: POTASSIUM ION(Non-functional Binders)

K.4: 6 residues within 4Å: Chain A: A.156, A.157, G.158, G.159, C.166, U.167 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Stahley, M.R. et al., Structural evidence for a two-metal-ion mechanism of group I intron splicing. Science (2005)

Release Date

2005-08-30

Peptides

U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A RNA BINDING DOMAIN: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

C
A

U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A RNA BINDING DOMAIN

Related Entries With Identical Sequence