ISDA

Deposition Date 2011-11-24

Release Date 2012-11-28

Last Version Date 2023-11-08

Entry Detail

PDB ID:

3USV

Keywords:

HYDROLASE

Title:

Structure of the precursor of a thermostable variant of papain at 3.8 A resolution from a crystal soaked at pH 4

Biological Source:

Source Organism:

Carica papaya (Taxon ID: 3649)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

3.80 Å

R-Value Free:

0.40

R-Value Work:

0.35

R-Value Observed:

0.35

Space Group:

P 1 21 1

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Papain
Mutations:C132A, V139S, G143S, K281R
Chain IDs:A, B (auth: C)
Chain Length:363
Number of Molecules:2
Biological Source:Carica papaya

UniProt ID:P00784 Pfam ID:PF08246, PF00112 EC:3.4.22.2

Ligand Molecules

Primary Citation

Crystallographic analysis of pro-papain variant elucidates the structural basis of the step-wise activation mechanism of the zymogen

Roy, S, Choudhury, D, Biswas, S, Dattagupta, J.K.Show

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Primary Citation of related structures