5B7X

NMR Solution structure of an EF-hand Calcium binding protein (EhCaBP6) from Entamoeba Histolytica

• PDB DOI: https://doi.org/10.2210/pdb5B7X/pdb

• Classification: METAL BINDING PROTEIN
• Organism(s): Entamoeba histolytica HM-3:IMSS
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2016-06-10 Released: 2017-05-03 
• Deposition Author(s): Verma, D., Chary, K.V.
• Funding Organization(s): Tata Institute of Fundamental Research

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 500 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Literature

An Unusual Nuclear Localized Ca2+-Binding Protein from Entamoeba histolytica that Exhibits GTPase Activity

Verma, D., Murmu, A., Bhattacharya, A., Chary, K.V.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 18.11 kDa 
• Atom Count: 1,265 
• Modelled Residue Count: 156 
• Deposited Residue Count: 156 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calmodulin, putative	A	156	Entamoeba histolytica HM-3:IMSS	Mutation(s): 0  Gene Names: KM1_072120
UniProt
Find proteins for M7WXJ8 (Entamoeba histolytica HM-3:IMSS) Explore M7WXJ8  Go to UniProtKB:  M7WXJ8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A], C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 500 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2017-05-03 
Deposition Author(s): Verma, D., Chary, K.V.

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Funding Organization	Location	Grant Number
Tata Institute of Fundamental Research	India	--

Revision History  

• Version 1.0: 2017-05-03
  Type: Initial release
  
• Version 1.1: 2023-06-14
  Changes: Data collection, Database references, Other
• Version 1.2: 2024-05-15
  Changes: Data collection, Database references