4KCD

Crystal Structure of the NMDA Receptor GluN3A Ligand Binding Domain Apo State

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Glutamate receptor ionotropic, NMDA 3A	polymer	294	32936.3	2	UniProt (Q9R1M7) Pfam (PF10613) Pfam (PF00060)	Rattus norvegicus (brown rat rat rats)	GluN3A, Glutamate receptor chi-1, N-methyl-D-aspartate receptor, N-methyl-D-aspartate receptor subtype 3A, NMDAR3A, NR3A, NMDAR-L, NMDAR-L1
2	C, D (A, B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
3	E, F (A, B)	water	water		18.0	579	Chemie (HOH)

Sequence modifications

A, B: 3 - 152 (UniProt: Q9R1M7)

PDB	External Database	Details
Gly 1	-	expression tag
Ser 2	-	expression tag

A, B: 155 - 294 (UniProt: Q9R1M7)

PDB	External Database	Details
Gly 153	-	linker
Thr 154	-	linker

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	65872.6
Non-Polymers*	Number of molecules	2
	Total formula weight	184.2
All*	Total formula weight	66056.8

*Water molecules are not included.