5GIB

Succinic acid bound trypsin crystallized as dimer

• PDB DOI: https://doi.org/10.2210/pdb5GIB/pdb

• Classification: HYDROLASE
• Organism(s): Bos taurus
• Mutation(s): No 


• Deposited: 2016-06-22 Released: 2016-08-10 
• Deposition Author(s): Kutumbarao, N.H.V., Manohar, R., KarthiK, L., Malathy, P., Gunasekaran, K., Velmurugan, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.286 
• R-Value Work: 0.229 
• R-Value Observed: 0.235 

Starting Model: experimental

Literature

Trypsin bound with Succinic acid

Kutumbarao, N.H.V., Manohar, R., KarthiK, L., Malathy, P., Gunasekaran, K., Velmurugan, D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.85 kDa 
• Atom Count: 3,261 
• Modelled Residue Count: 436 
• Deposited Residue Count: 446 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cationic trypsin	A, B	223	Bos taurus	Mutation(s): 0  EC: 3.4.21.4
UniProt
Find proteins for P00760 (Bos taurus) Explore P00760  Go to UniProtKB:  P00760

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SIN	C [auth A]	SUCCINIC ACID C4 H6 O4 KDYFGRWQOYBRFD-UHFFFAOYSA-N
CA	D [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.286 
• R-Value Work: 0.229 
• R-Value Observed: 0.235 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.29	α = 90
b = 58.26	β = 90
c = 136.47	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
iMOSFLM	data reduction
Aimless	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-08-10 
Deposition Author(s): Kutumbarao, N.H.V., Manohar, R., KarthiK, L., Malathy, P., Gunasekaran, K., Velmurugan, D.

Revision History  

• Version 1.0: 2016-08-10
  Type: Initial release
  
• Version 1.1: 2016-08-17
  Changes: Structure summary
• Version 1.2: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.3: 2024-10-09
  Changes: Structure summary