3CFH | pdb_00003cfh

Photoswitchable red fluorescent protein psRFP, off-state

PDB DOI: https://doi.org/10.2210/pdb3CFH/pdb

Classification: FLUORESCENT PROTEIN
Organism(s): Anemonia sulcata
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2008-03-03 Released: 2009-03-10
Deposition Author(s): Kachalova, G.S., Gundel, S., Bartunik, H.D., Wiedenmann, J.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.75 Å
R-Value Free:
0.230 (Depositor), 0.231 (DCC)
R-Value Work:
0.202 (Depositor), 0.203 (DCC)
R-Value Observed:
0.204 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 3CFH

This is version 2.0 of the entry. See complete history.

Literature

Structure of red fluorescent protein asRFP

Gundel, S., Kachalova, G.S., Oswald, F., Fuchs, J., Bartunik, H.D., Nienhaus, G.U., Wiedenmann, J.

To be published.

Macromolecule Content

Total Structure Weight: 103.73 kDa
Atom Count: 8,489
Modeled Residue Count: 900
Deposited Residue Count: 916
Unique protein chains: 2

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GFP-like photoswitchable fluorescent protein	A [auth L], C [auth M], E [auth R], G [auth S]	62	Anemonia sulcata	Mutation(s): 0
UniProt
Find proteins for Q9GZ28 (Anemonia sulcata) Explore Q9GZ28 Go to UniProtKB: Q9GZ28
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9GZ28
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
GFP-like photoswitchable fluorescent protein	B [auth A], D [auth B], F [auth G], H	167	Anemonia sulcata	Mutation(s): 1
UniProt
Find proteins for Q9GZ28 (Anemonia sulcata) Explore Q9GZ28 Go to UniProtKB: Q9GZ28
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9GZ28
Sequence Annotations Expand
Reference Sequence

Small Molecules

Modified Residues 2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CME Query on CME	B [auth A], D [auth B], F [auth G], H	L-PEPTIDE LINKING	C₅ H₁₁ N O₃ S₂		CYS
NRQ Query on NRQ	B [auth A], D [auth B], F [auth G], H	L-PEPTIDE LINKING	C₁₆ H₁₇ N₃ O₄ S		MET, TYR, GLY

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.75 Å
R-Value Free: 0.230 (Depositor), 0.231 (DCC)
R-Value Work: 0.202 (Depositor), 0.203 (DCC)
R-Value Observed: 0.204 (Depositor)

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 97.819	α = 90
b = 97.851	β = 90
c = 241.827	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

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Entry History

Deposition Data

Released Date: 2009-03-10

Deposition Author(s):

Kachalova, G.S.

Revision History (Full details and data files)

Version 1.0: 2009-03-10
Type: Initial release
Version 1.1: 2011-07-13
Changes: Version format compliance
Version 1.2: 2021-11-10
Changes: Advisory, Database references, Derived calculations
Version 1.3: 2023-11-01
Changes: Data collection, Refinement description
Version 1.4: 2023-11-15
Changes: Data collection
Version 2.0: 2026-03-18
Changes: Polymer sequence, Structure summary

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.