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PDBsum entry 1sgd
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protein ligands Protein-protein interface(s) links
Hydrolase/hydrolase inhibitor PDB id
1sgd

 

 

 

 

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Contents
Protein chains
185 a.a. *
51 a.a. *
Ligands
PO4
Waters ×170
* Residue conservation analysis
PDB id:
1sgd
Name: Hydrolase/hydrolase inhibitor
Title: Asp 18 variant of turkey ovomucoid inhibitor third domain complexed with streptomyces griseus proteinase b at ph 6.5
Structure: Streptogrisin b. Chain: e. Synonym: protease b, sgpb, pronase enzyme b. Ovomucoid. Chain: i. Fragment: third domain. Synonym: asp18-omtky3. Engineered: yes. Mutation: yes
Source: Streptomyces griseus. Organism_taxid: 1911. Strain: k1. Meleagris gallopavo. Turkey. Organism_taxid: 9103. Expressed in: escherichia coli. Expression_system_taxid: 562.
Biol. unit: Dimer (from PQS)
Resolution:
1.80Å     R-factor:   0.157    
Authors: K.Huang,W.Lu,S.Anderson,M.Laskowski Jr.,M.N.G.James
Key ref: K.Huang et al. To be published, .
Date:
25-Mar-99     Release date:   26-Aug-03    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
Pfam   ArchSchema ?
P00777  (PRTB_STRGR) -  Streptogrisin-B from Streptomyces griseus
Seq:
Struc: 		299 a.a.
185 a.a.
Protein chain
Pfam   ArchSchema ?
P68390  (IOVO_MELGA) -  Ovomucoid from Meleagris gallopavo
Seq:
Struc: 		185 a.a.
51 a.a.*
Key:    PfamA domain  Secondary structure  CATH domain
* PDB and UniProt seqs differ at 1 residue position (black cross)

 Enzyme reactions 
   Enzyme class: Chain E: E.C.3.4.21.81  - streptogrisin B.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction: Hydrolysis of proteins with specificity similar to trypsin.

 

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