4FIY | pdb_00004fiy

Crystal Structure of GlfT2 Complexed with UDP

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Glyco_hydro_70	e4fiyB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: Glyco_hydro_70	ECOD (v294.1)
A	TIL	e4fiyA1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Fibronectin type I module-like	T: Fibronectin type I module	F: TIL	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.90.550.60	Alpha Beta	Alpha-Beta Complex	Spore Coat Polysaccharide Biosynthesis Protein SpsA	Chain A	CATH (4.3.0)
A	3.90.550.60	Alpha Beta	Alpha-Beta Complex	Spore Coat Polysaccharide Biosynthesis Protein SpsA	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF19320	Galactofuranosyltransferase-2, domain 3 (GlfT2_domain3)	Galactofuranosyltransferase-2, domain 3	This entry represents the third domain of GlfT2 (Rv3808c), a polymerising galactofuranosyltransferase that synthesises the galactan portion of the peptidoglycan complex of the mycobacteria cell wall. It consists of eight alpha-helices, five of which ...	This entry represents the third domain of GlfT2 (Rv3808c), a polymerising galactofuranosyltransferase that synthesises the galactan portion of the peptidoglycan complex of the mycobacteria cell wall. It consists of eight alpha-helices, five of which immediately follow the glycosyltransferase (GT) domain and form the central portion of domain 3. Three helices at the C terminus of the polypeptide chain wrap around these core helices to complete the domain. The first helix in domain 3 anchors loop 1 and is conserved in many GT-A proteins. The flanking domains and many hydrophobic residues found at the interface between domains 2 and 3 of this protein are conserved among many proteins of mycobacteria, related Actinobacteria and more distantly related species, suggesting conserved structure structure and function relationships. The alpha2- and alpha6-helices from domain 3 and alpha1 from domain 4 contribute with a patch of exposed hydrophobic residues which probably generate a binding site for the hydrophobic acyl chains of membrane phospholipids. These surface-exposed hydrophobic residues may also contribute to the specificity and affinity binding of UDP donors [1].	Domain
A, B	PF17994	Galactofuranosyltransferase 2 N-terminal (Glft2_N)	Galactofuranosyltransferase 2 N-terminal	This is the N-terminal beta-barrel domain found in the polymerizing galactofuranosyltransferase GlfT2 (Rv3808c). This enzyme synthesizes the bulk of the galactan portion of the mycolyl-arabinogalactan complex, which is the largest component of the my ...	This is the N-terminal beta-barrel domain found in the polymerizing galactofuranosyltransferase GlfT2 (Rv3808c). This enzyme synthesizes the bulk of the galactan portion of the mycolyl-arabinogalactan complex, which is the largest component of the mycobacterial cell wall such as in Mycobacterium tuberculosis. The N-terminal domain contains two short helices preceding a 10-stranded beta-sandwich with jelly roll topology [1].	Domain
A, B	PF13641	Glycosyltransferase like family 2 (Glyco_tranf_2_3)	Glycosyltransferase like family 2	Members of this family of prokaryotic proteins include putative glucosyltransferase, which are involved in bacterial capsule biosynthesis [1][2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	UDP-galactofuranosyl transferase GlfT2	glycosyltransferase activity transferase activity catalytic activity UDP-glycosyltransferase activity lipopolysaccharide-1,6-galactosyltransferase activity galactosyltransferase activity hexosyltransferase activity UDP-galactosyltransferase activity cation binding ion binding binding metal ion binding small molecule binding lipopolysaccharide-1,5-galactosyltransferase activity	carbohydrate metabolic process polysaccharide metabolic process biosynthetic process polysaccharide biosynthetic process carbohydrate biosynthetic process metabolic process cellular process primary metabolic process macromolecule metabolic process macromolecule biosynthetic process cellular component organization capsule organization cellular component organization or biogenesis capsule polysaccharide biosynthetic process carbohydrate metabolic process polysaccharide metabolic process biosynthetic process polysaccharide biosynthetic process carbohydrate biosynthetic process metabolic process cellular process primary metabolic process macromolecule metabolic process macromolecule biosynthetic process cellular component organization capsule organization cellular component organization or biogenesis capsule polysaccharide biosynthetic process external encapsulating structure organization cell wall organization or biogenesis cell wall organization cellular component biogenesis cell wall biogenesis cell wall macromolecule biosynthetic process cell wall macromolecule metabolic process lipopolysaccharide biosynthetic process carbohydrate derivative biosynthetic process liposaccharide metabolic process lipid biosynthetic process carbohydrate derivative metabolic process lipopolysaccharide metabolic process lipid metabolic process nucleoside phosphate metabolic process nucleotide-sugar metabolic process nucleobase-containing compound metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process UDP-D-galactose metabolic process cell wall polysaccharide biosynthetic process cell wall polysaccharide metabolic process mycolate cell wall layer assembly peptidoglycan-based cell wall biogenesis cellular component assembly Actinobacterium-type cell wall biogenesis	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR045699	Galactofuranosyltransferase-2, C-terminal	Domain
A, B	IPR040492	Galactofuranosyltransferase GlfT2, N-terminal	Domain
A, B	IPR029044	Nucleotide-diphospho-sugar transferases	Homologous Superfamily

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.