8IZ1

Single excitation and two emissions pH sensor protein (SITE-pHorin)_C203E_pH5.0

PDB DOI: https://doi.org/10.2210/pdb8IZ1/pdb

Classification: FLUORESCENT PROTEIN
Organism(s): Aequorea victoria
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2023-04-06 Released: 2024-10-09
Deposition Author(s): Li, S.A., Kang, J.S.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.66 Å
R-Value Free: 0.220
R-Value Work: 0.173
R-Value Observed: 0.175

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

A unified intracellular pH spectrum with sitepHorin-a quantum-entanglement-based pH-sensitive and ratiometric fluorescent protein

Kang, J.S., Li, S.A.

To be published.

Macromolecule Content

Total Structure Weight: 27.7 kDa
Atom Count: 2,074
Modelled Residue Count: 228
Deposited Residue Count: 243
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Green fluorescent protein	A	243	Aequorea victoria	Mutation(s): 12 Gene Names: GFP
UniProt
Find proteins for P42212 (Aequorea victoria) Explore P42212 Go to UniProtKB: P42212
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P42212
Sequence Annotations Expand
Reference Sequence

Small Molecules

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CRO Query on CRO	A	L-PEPTIDE LINKING	C₁₅ H₁₇ N₃ O₅		THR, TYR, GLY

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.66 Å
R-Value Free: 0.220
R-Value Work: 0.173
R-Value Observed: 0.175
Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.454	α = 90
b = 61.759	β = 90
c = 69.655	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
MOLREP	phasing

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2024-10-09

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History (Full details and data files)

Version 1.0: 2024-10-09
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.