4GG2

The crystal structure of glutamate-bound human gamma-glutamyltranspeptidase 1

• PDB DOI: https://doi.org/10.2210/pdb4GG2/pdb

• Classification: HYDROLASE
• Organism(s): Homo sapiens
• Expression System: Pichia
• Mutation(s): No 


• Deposited: 2012-08-04 Released: 2013-09-25 
• Deposition Author(s): West, M.B., Chen, Y., Wickham, S., Heroux, A., Cahill, K., Hanigan, M.H., Mooers, B.H.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.21 Å
• R-Value Free: 0.183 
• R-Value Work: 0.140 
• R-Value Observed: 0.142 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 61.23 kDa 
• Atom Count: 4,620 
• Modelled Residue Count: 532 
• Deposited Residue Count: 542 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Gamma-glutamyltranspeptidase 1 heavy chain	A	353	Homo sapiens	Mutation(s): 0  Gene Names: GGT, GGT1, hGGT1 EC: 2.3.2.2 (PDB Primary Data), 3.4.19.13 (PDB Primary Data), 3.4.19.14 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P19440 (Homo sapiens) Explore P19440  Go to UniProtKB:  P19440
PHAROS:  P19440 GTEx:  ENSG00000100031

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Gamma-glutamyltranspeptidase 1 light chain	B	189	Homo sapiens	Mutation(s): 0  Gene Names: GGT, GGT1, hGGT1 EC: 2.3.2.2 (PDB Primary Data), 3.4.19.13 (PDB Primary Data), 3.4.19.14 (PDB Primary Data)
UniProt & NIH Common Fund Data Resources
Find proteins for P19440 (Homo sapiens) Explore P19440  Go to UniProtKB:  P19440
PHAROS:  P19440 GTEx:  ENSG00000100031

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], M [auth B]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N
GLU	N [auth B]	GLUTAMIC ACID C5 H9 N O4 WHUUTDBJXJRKMK-VKHMYHEASA-N
IOD	H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], O [auth B], P [auth B], Q [auth B], R [auth B]	IODIDE ION I XMBWDFGMSWQBCA-UHFFFAOYSA-M
CL	S [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.21 Å
• R-Value Free: 0.183 
• R-Value Work: 0.140 
• R-Value Observed: 0.142 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.717	α = 90
b = 126.753	β = 90
c = 104.629	γ = 90

Software Package:

Software Name	Purpose
PROTEUM PLUS	data collection
PHENIX	model building
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-09-25 
Deposition Author(s): West, M.B., Chen, Y., Wickham, S., Heroux, A., Cahill, K., Hanigan, M.H., Mooers, B.H.M.

Revision History  

• Version 1.0: 2013-09-25
  Type: Initial release
  
• Version 1.1: 2013-10-16
  Changes: Database references
• Version 1.2: 2013-11-27
  Changes: Database references
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.4: 2023-09-13
  Changes: Data collection, Database references, Refinement description, Structure summary