PDBsum entry 3q5g

Hydrolase

PDB id: 3q5g

Contents

Protein chain

279 a.a.

Ligands

SO4

GOL

Metals

_CA

Waters ×423

PDB id:

3q5g

Name:

Hydrolase

Title:

Sulphur sad structure solution of proteinase k grown in so4 solution

Structure:

Proteinase k. Chain: a. Fragment: residues 106-384. Synonym: endopeptidase k, tritirachium alkaline proteinase. Ec: 3.4.21.64

Source:

Engyodontium album. Organism_taxid: 37998

Resolution:

1.77Å R-factor: 0.126 R-free: 0.167

Authors:

J.Jakoncic

Key ref:

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

Date:

28-Dec-10 Release date: 29-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.