Annotations: 2WQP

Crystal structure of sialic acid synthase NeuB-inhibitor complex

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2wqpa2	All beta proteins	beta-clip	AFP III-like domain	automated matches	automated matches	(Neisseria meningitidis serogroup B ) [TaxId: 491 ],	SCOPe (2.08)
A	d2wqpa1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Aldolase	NeuB-like	automated matches	(Neisseria meningitidis serogroup B ) [TaxId: 491 ],	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	Rieske	e2wqpA1	A: beta barrels	X: Spectrin repeat-like	H: SH3	T: SH3	F: Rieske	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.70	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Aldolase class I	CATH (4.3.0)
A	3.90.1210.10	Alpha Beta	Alpha-Beta Complex	Type Iii Antifreeze Protein Isoform Hplc 12	Antifreeze-like/N-acetylneuraminic acid synthase C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03102	NeuB family (NeuB)	NeuB family	NeuB is the prokaryotic N-acetylneuraminic acid (Neu5Ac) synthase. It catalyses the direct formation of Neu5Ac (the most common sialic acid) by condensation of phosphoenolpyruvate (PEP) and N-acetylmannosamine (ManNAc). This reaction has only been ob ...	NeuB is the prokaryotic N-acetylneuraminic acid (Neu5Ac) synthase. It catalyses the direct formation of Neu5Ac (the most common sialic acid) by condensation of phosphoenolpyruvate (PEP) and N-acetylmannosamine (ManNAc). This reaction has only been observed in prokaryotes; eukaryotes synthesise the 9-phosphate form, Neu5Ac-9-P, and utilise ManNAc-6-P instead of ManNAc. Such eukaryotic enzymes are not present in this family [1]. This family also contains SpsE spore coat polysaccharide biosynthesis proteins.	Domain
A	PF08666	SAF domain (SAF)	SAF domain	This domain family includes a range of different proteins. Such as antifreeze proteins and flagellar FlgA proteins, and CpaB pilus proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	POLYSIALIC ACID CAPSULE BIOSYNTHESIS PROTEIN SIAC	transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity N-acylneuraminate-9-phosphate synthase activity cation binding ion binding binding metal ion binding small molecule binding	carbohydrate metabolic process biosynthetic process carbohydrate biosynthetic process primary metabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036732	Antifreeze-like/N-acetylneuraminic acid synthase C-terminal domain superfamily	Homologous Superfamily
A	IPR057736	PseI/NeuA/NeuB, SAF domain	Domain
A	IPR013132	PseI/NeuA/B-like	Domain
A	IPR013785	Aldolase-type TIM barrel	Homologous Superfamily
A	IPR013974	SAF domain	Domain
A	IPR006190	Antifreeze-like/N-acetylneuraminic acid synthase, SAF domain	Domain
A	IPR051690	PseI/Nans/NeuA/B acid synthases	Family

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