7LV7 | pdb_00007lv7

Crystal Structure of Branched-chain amino acid aminotransferase from Giardia lamblia ATCC 50803

• PDB DOI: https://doi.org/10.2210/pdb7LV7/pdb

• Classification: TRANSFERASE
• Organism(s): Giardia lamblia ATCC 50803
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-02-24 Released: 2021-03-17 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.161 (Depositor), 0.161 (DCC) 
• R-Value Observed: 
  0.162 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of Branched-chain amino acid aminotransferase from Giardia lamblia ATCC 50803

Abendroth, J., Lorimer, D.D., Horanyi, P.S., Edwards, T.E.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 166.84 kDa 
• Atom Count: 12,163 
• Modeled Residue Count: 1,426 
• Deposited Residue Count: 1,504 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Branched-chain amino acid aminotransferase	A, B, C, D	376	Giardia lamblia ATCC 50803	Mutation(s): 0  Gene Names: GL50803_006184, GL50803_6184 EC: 2.6.1.42
UniProt
Find proteins for E2RU99 (Giardia intestinalis (strain ATCC 50803 / WB clone C6)) Explore E2RU99  Go to UniProtKB:  E2RU99

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	E [auth A], G [auth B], J [auth C], L [auth D]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	H [auth B], K [auth C]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	F [auth B], I [auth C]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
LLP	A, B, C, D	L-PEPTIDE LINKING	C14 H22 N3 O7 P		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.161 (Depositor), 0.161 (DCC) 
• R-Value Observed: 0.162 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.99	α = 90
b = 243.18	β = 118.918
c = 60.5	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
MoRDa	phasing
PHENIX	model building
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-03-17 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2021-03-17
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2023-11-15
  Changes: Data collection