› 1iwd

X-ray diffraction
1.63Å resolution

Proposed Amino Acid Sequence and the 1.63 Angstrom X-ray Crystal Structure of a Plant Cysteine Protease Ervatamin B: Insight into the Structural Basis of its Stability and Substrate Specificity.

Released:
DOI: 10.2210/pdb1iwd/pdb
PDB entry 1iwd coloured by chain, front view.
PDB entry 1iwd coloured by chain, side view.
PDB entry 1iwd coloured by chain, top view.
Source organism: Tabernaemontana divaricata
Primary publication:
Proposed amino acid sequence and the 1.63 A X-ray crystal structure of a plant cysteine protease, ervatamin B: some insights into the structural basis of its stability and substrate specificity.
Biswas S, Chakrabarti C, Kundu S, Jagannadham MV, Dattagupta JK
Proteins 51 489-97 (2003)
PMID: 12784208

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-158162 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ervatamin-B Chain: A
Molecule details ›
Chain: A
Length: 215 amino acids
Theoretical weight: 23.2 KDa
Source organism: Tabernaemontana divaricata
UniProt:
  • Canonical: P60994 (Residues: 1-215; Coverage: 100%)
Sequence domains: Papain family cysteine protease
Structure domains: Cysteine proteinases

Ligands and Environments

1 bound ligand:
Ligand THJ 1 x THJ
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P212121
Unit cell:
a: 48.2Å b: 58.76Å c: 69.35Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.163 0.161 0.184

Quick links

Citations

8 citation in other articles

Structural insights into the protease-like antigen Plasmodium falciparum SERA5 and its noncanonical active-site serine.
Hodder et al. (2009)
7 more

4 mentions without citation

Convergent evolution in Arabidopsis halleri and Arabidopsis arenosa on calamine metalliferous soils.
Preite et al. (2019)
3 more