PDBsum entry 3q40

Hydrolase

PDB id: 3q40

Contents

Protein chain

279 a.a.

Ligands

NO3 ×6

Metals

_CA ×2

Waters ×402

PDB id:

3q40

Name:

Hydrolase

Title:

Sulphur sad structure solution of proteinase k grown in so4-less solution.

Structure:

Proteinase k. Chain: a. Fragment: residues 106-384. Synonym: endopeptidase k, tritirachium alkaline proteinase. Engineered: yes

Source:

Engyodontium album. Organism_taxid: 37998. Gene: prok

Resolution:

1.80Å R-factor: 0.140 R-free: 0.183

Authors:

J.Jakoncic

Key ref:

J.Jakoncic Crystallization of macromolecules in selenate to solv phase problem. To be published, .

Date:

22-Dec-10 Release date: 22-Jun-11

Protein chain

P06873  (PRTK_PARAQ) -  Proteinase K from Parengyodontium album

Seq: 384 a.a.

Struc: 279 a.a.*

* PDB and UniProt seqs differ at 1 residue position (black cross)

Enzyme reactions

• Enzyme class: E.C.3.4.21.64 - peptidase K.
• Reaction: Hydrolysis of keratin and of other proteins, with subtilisin-like specificity. Hydrolyzes peptides amides.