gcvP1

Existing Annotations Review

GO Term	Evidence	Action	Reason
GO:0004375 glycine dehydrogenase (decarboxylating) activity	IEA GO_REF:0000120	ACCEPT	Summary: This is the defining PLP-dependent P-protein reaction. Reason: UniProt assigns EC 1.4.4.2 and Rhea 24304, and describes transfer of the glycine-derived aminomethyl group to H protein. Supporting Evidence: file:PSEPK/gcvP1/gcvP1-uniprot.txt The P protein binds the alpha-amino group of glycine through
GO:0005829 cytosol	IEA GO_REF:0000118	KEEP AS NON CORE	Summary: A soluble cytoplasmic location is plausible but does not define GcvP1 function. Reason: This generic TreeGrafter location is retained outside the core functional summary.
GO:0005960 glycine cleavage complex	IEA GO_REF:0000118	ACCEPT	Summary: GcvP1 is the P component of a four-protein glycine cleavage system. Reason: The reviewed UniProt record explicitly identifies P, H, T, and L proteins as system components. Supporting Evidence: file:PSEPK/gcvP1/gcvP1-uniprot.txt The glycine cleavage system is composed of four proteins: P,
GO:0006544 glycine metabolic process	IEA GO_REF:0000002	MARK AS OVER ANNOTATED	Summary: This broad parent process adds no information beyond the specific glycine-cleavage annotation. Reason: GO:0019464 captures the direct process at the appropriate level.
GO:0006546 glycine catabolic process	IEA GO_REF:0000002	KEEP AS NON CORE	Summary: Glycine cleavage is catabolic, but this is broader than the exact system process. Reason: Retain as a valid parent while using GO:0019464 in the core summary.
GO:0016594 glycine binding	IEA GO_REF:0000118	KEEP AS NON CORE	Summary: Glycine binding is a genuine substrate interaction but is ancillary to the catalytic activity. Reason: Glycine binding is a true substrate interaction, while GO:0004375 remains the informative core catalytic term.
GO:0019464 glycine decarboxylation via glycine cleavage system	IEA GO_REF:0000120	ACCEPT	Summary: GcvP1 performs the initiating reaction of this exact process. Reason: The UniProt function and exact Rhea reaction place GcvP1 directly in the glycine cleavage cycle. Supporting Evidence: file:PSEPK/gcvP1/gcvP1-uniprot.txt The glycine cleavage system catalyzes the degradation of
GO:0030170 pyridoxal phosphate binding	IEA GO_REF:0000118	KEEP AS NON CORE	Summary: PLP is the required P-protein cofactor but is ancillary to the catalytic function. Reason: UniProt records PLP dependence; the catalytic activity remains the core molecular function.