9B49 | pdb_00009b49

K459Q variant of P. indica phosphate transporter

• PDB DOI: https://doi.org/10.2210/pdb9B49/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Serendipita indica
• Expression System: Saccharomyces cerevisiae
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2024-03-20 Released: 2025-03-26 
• Deposition Author(s): Gupta, M., Finer-Moore, J., Stroud, R.M.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 
  0.240 (Depositor), 0.249 (DCC) 
• R-Value Work: 
  0.215 (Depositor), 0.229 (DCC) 
• R-Value Observed: 
  0.238 (Depositor) 

Starting Model: experimental

Literature

Roles of PiPT residues in phosphate binding and transport tested by mutagenesis

Gupta, M., Finer-Moore, J., Nelson, A., Kumar, H., Johri, A., Stroud, R.M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 118.49 kDa 
• Atom Count: 6,675 
• Modeled Residue Count: 857 
• Deposited Residue Count: 1,060 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphate transporter	A, B	530	Serendipita indica	Mutation(s): 1  Membrane Entity: Yes
UniProt
Find proteins for G4TS85 (Serendipita indica (strain DSM 11827)) Explore G4TS85  Go to UniProtKB:  G4TS85

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BNG	D [auth A], E [auth A], G [auth B], H [auth B]	nonyl beta-D-glucopyranoside C15 H30 O6 QFAPUKLCALRPLH-UXXRCYHCSA-N
PO4	C [auth A], F [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free:  0.240 (Depositor), 0.249 (DCC) 
• R-Value Work:  0.215 (Depositor), 0.229 (DCC) 
• R-Value Observed: 0.238 (Depositor) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 173.67	α = 90
b = 173.67	β = 90
c = 172.07	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-26 
Deposition Author(s): Gupta, M., Finer-Moore, J., Stroud, R.M.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01 GM24485

Revision History  

• Version 1.0: 2025-03-26
  Type: Initial release