2NPC		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	ACT, IMD	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	An unusual twin-His arrangement in the pore of ammonia channels is essential for substrate conductance., Javelle A, Lupo D, Zheng L, Li XD, Winkler FK, Merrick M, J Biol Chem. 2006 Oct 12;. PMID:17040913

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk] Biological Unit Coordinates (2npc.pdb1.gz) 160 Kb LPC: Ligand-Protein Contacts for 2NPC CSU: Contacts of Structural Units for 2NPC Likely Quarternary Molecular Structure file(s) for 2NPC Structure Factors (237 Kb) Retrieve 2NPC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2NPC from S2C, [Save to disk] Re-refined 2npc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2NPC in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2npc] [2npc_A] SWISS-PROT database: [P69681] Belongs to the ammonium transporter channel (amt) family according to TCDB.

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