4JTP

Crystal structure of Ribosome inactivating protein from Momordica balsamina complexed with Ascorbic acid at 1.85 Angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb4JTP/pdb

• Classification: HYDROLASE
• Organism(s): Momordica balsamina
• Mutation(s): No 


• Deposited: 2013-03-24 Released: 2013-04-17 
• Deposition Author(s): Pandey, S., Bhushan, A., Singh, A., Tyagi, T.K., Sinha, M., Kaur, P., Sharma, S., Singh, T.P.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.224 
• R-Value Work: 0.167 
• R-Value Observed: 0.169 

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 27.49 kDa 
• Atom Count: 2,088 
• Modelled Residue Count: 246 
• Deposited Residue Count: 246 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
rRNA N-glycosidase	A	246	Momordica balsamina	Mutation(s): 0  EC: 3.2.2.22
UniProt
Find proteins for D9J2T9 (Momordica balsamina) Explore D9J2T9  Go to UniProtKB:  D9J2T9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	B [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
ASC	C [auth A]	ASCORBIC ACID C6 H8 O6 CIWBSHSKHKDKBQ-JLAZNSOCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.224 
• R-Value Work: 0.167 
• R-Value Observed: 0.169 
• Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 130.38	α = 90
b = 130.38	β = 90
c = 37.226	γ = 120

Software Package:

Software Name	Purpose
HKL-2000	data collection
AMoRE	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-04-17 
Deposition Author(s): Pandey, S., Bhushan, A., Singh, A., Tyagi, T.K., Sinha, M., Kaur, P., Sharma, S., Singh, T.P.

Revision History  

• Version 1.0: 2013-04-17
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2023-11-08
  Changes: Data collection, Database references, Refinement description, Structure summary