6IR2 | pdb_00006ir2

Crystal structure of red fluorescent protein mCherry complexed with the nanobody LaM2 at 1.4 Angstron resolution

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Protein Modification Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6ir2a_	Alpha and beta proteins (a+b)	GFP-like	GFP-like	Fluorescent proteins	automated matches	(Anaplasma marginale ) [TaxId: 770 ],	SCOPe (2.08)
B	d6ir2b_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Camelus bactrianus ) [TaxId: 9837 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	GFP	e6ir2A1	A: beta barrels	X: GFP-like (From Topology)	H: GFP-like (From Topology)	T: GFP-like	F: GFP	ECOD (1.6)
B	V-set_12	e6ir2B1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.155.10	Mainly Beta	Beta Barrel	Green Fluorescent Protein	Green fluorescent protein	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV1	-	mcherry fluorescent protein	SAbDab (2025-11-28)

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	CH6	Parent Component: MET, TYR, GLY RESID: AA0183 PSI-MOD : (Z)-2,3-didehydrotyrosine MOD:00191

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.