ISDA: 3SGQ

Deposition Date 1999-03-25

Release Date 2003-08-26

Last Version Date 2024-10-16

Entry Detail

PDB ID:

3SGQ

Keywords:

HYDROLASE/HYDROLASE INHIBITOR

Title:

GLN 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH STREPTOMYCES GRISEUS PROTEINASE B AT PH 10.7

Biological Source:

Source Organism:

Meleagris gallopavo (Taxon ID: 9103)
Streptomyces griseus (Taxon ID: 1911)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.80 Å

R-Value Work:

0.17

Space Group:

P 1 21 1

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Streptogrisin B
Gene (Uniprot):sprB
Chain IDs:A (auth: E)
Chain Length:185
Number of Molecules:1
Biological Source:Streptomyces griseus

UniProt ID:P00777 Pfam ID:PF00089 EC:3.4.21.81

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ovomucoid
Mutagens:DEL(1-5), L18Q
Chain IDs:B (auth: I)
Chain Length:51
Number of Molecules:1
Biological Source:Meleagris gallopavo

UniProt ID:P68390 Pfam ID:PF00050

Ligand Molecules

PO4

Primary Citation

Recruitment of a Buried K+ Ion to Stabilize the Negative Charge of Ionized P1 in the Hydrophobic Pocket: Crystal Structures of Glu18, Gln18, Asp18 and Asn18 Variants of Turkey Ovomucoid Inhibitor Third Domain Complexed with Streptomyces griseus Protease B at Various pH's

Huang, K, Lu, W, Anderson, S, Laskowski Jr, M, James, M.N.G, Huang, K, Lu, W, Anderson, S, Laskowski Jr, M, James, M.N.G, Read, R.J, Fujinaga, M, Sielecki, A.R, James, M.N.G.Show

To be Published ? ? ? (?)

Primary Citation of related structures