8OY1

Structure of the human Guanine Nucleotide-Binding Protein G(K) Subunit Alpha

PDB DOI: https://doi.org/10.2210/pdb8OY1/pdb

Classification: SIGNALING PROTEIN
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2023-05-03 Released: 2024-05-15
Deposition Author(s): Medrano, F.J., Blanco, F.J., Ferreras-Gutierrez, M.O.
Funding Organization(s): Ministerio de Ciencia e Innovacion (MCIN)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 3.34 Å
R-Value Free: 0.280
R-Value Work: 0.205
R-Value Observed: 0.208

Starting Model: experimental
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Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Structure of the human Guanine Nucleotide-Binding Protein G(K) Subunit Alpha

Ferreras-Gutierrez, M.O., Medrano, F.J., Blanco, F.J.

To be published.

Macromolecule Content

Total Structure Weight: 37.34 kDa
Atom Count: 2,572
Modelled Residue Count: 315
Deposited Residue Count: 321
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Guanine nucleotide-binding protein G(i) subunit alpha-3	A	321	Homo sapiens	Mutation(s): 0 Gene Names: GNAI3
UniProt & NIH Common Fund Data Resources
Find proteins for P08754 (Homo sapiens) Explore P08754 Go to UniProtKB: P08754
PHAROS: P08754 GTEx: ENSG00000065135
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P08754
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
GDP Query on GDP Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A]	B [auth A]	GUANOSINE-5'-DIPHOSPHATE C₁₀ H₁₅ N₅ O₁₁ P₂ QGWNDRXFNXRZMB-UUOKFMHZSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 3.34 Å
R-Value Free: 0.280
R-Value Work: 0.205
R-Value Observed: 0.208
Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.065	α = 90
b = 113.065	β = 90
c = 68.68	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2024-05-15

Deposition Author(s):

Ferreras-Gutierrez, M.O.

Funding Organization	Location	Grant Number
Ministerio de Ciencia e Innovacion (MCIN)	Spain	PID2020-113225GB-I00

Revision History (Full details and data files)

Version 1.0: 2024-05-15
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.