Annotations: 4NRH

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Methyltrn_RNA_3	e4nrhD1	A: a/b three-layered sandwiches	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Methyltrn_RNA_3	ECOD (v294.1)
B	Methyltrn_RNA_3	e4nrhB1	A: a/b three-layered sandwiches	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Methyltrn_RNA_3	ECOD (v294.1)
C	Methyltrn_RNA_3	e4nrhC1	A: a/b three-layered sandwiches	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Methyltrn_RNA_3	ECOD (v294.1)
A	Methyltrn_RNA_3	e4nrhA1	A: a/b three-layered sandwiches	X: Insertion subdomain in DsbA-like	H: Insertion subdomain in DsbA-like	T: Insertion subdomain in DsbA-like	F: Methyltrn_RNA_3	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.25.40.10	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Tetratricopeptide repeat domain	CATH (4.3.0)
B	1.25.40.10	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Tetratricopeptide repeat domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Chaperone SycD	-	-	-
A, C	CopN	-	negative regulation of protein transport regulation of localization establishment of protein localization regulation of cellular process regulation of protein localization transport negative regulation of biological process negative regulation of transport protein localization to extracellular region localization regulation of secretion by cell secretion by cell negative regulation of secretion negative regulation of cellular process negative regulation of protein transport regulation of localization establishment of protein localization regulation of cellular process regulation of protein localization transport negative regulation of biological process negative regulation of transport protein localization to extracellular region localization regulation of secretion by cell secretion by cell negative regulation of secretion negative regulation of cellular process negative regulation of secretion by cell intracellular protein localization negative regulation of protein localization regulation of biological process regulation of transport secretion biological regulation regulation of establishment of protein localization establishment of protein localization to extracellular region negative regulation of establishment of protein localization export from cell regulation of protein transport protein secretion establishment of localization regulation of protein secretion regulation of secretion negative regulation of protein secretion protein transport macromolecule localization cellular process protein secretion by the type III secretion system transmembrane transport protein transmembrane transport	cell surface cellular anatomical structure membrane outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR005415	Type III secretion system, low calcium response, chaperone LcrH/SycD	Family
B, D	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
B, D	IPR011716	Tetratricopeptide TPR-3	Repeat
A, C	IPR013401	Type III secretion regulator, YopN/LcrE/InvE/MxiC	Domain
A, C	IPR010812	Hypersensitivity response secretion-like, HrpJ	Domain
A, C	IPR054556	T3SS, low calcium response E, C-terminal helical domain	Domain

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.