6IZ1

Crystal Structure Analysis of a Eukaryotic Membrane Protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Trimeric intracellular cation channel type A	polymer	326	36956.5	1	UniProt (Q5ZK43) Pfam (PF05197)	Gallus gallus (Chicken)	TRICA,Transmembrane protein 38A
2	B (A)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3	C, D, E, F, G (A)	CHLORIDE ION	non-polymer		35.5	5	Chemie (CL)
4	H (A)	water	water		18.0	72	Chemie (HOH)

Sequence modifications

A: 1 - 296 (UniProt: Q5ZK43)

PDB	External Database	Details
Gln 129	Lys 129	engineered mutation
Ser 245	Cys 245	engineered mutation
Ala 297	-	expression tag
Ala 298	-	expression tag
Ala 299	-	expression tag
Glu 300	-	expression tag
Asn 301	-	expression tag
Leu 302	-	expression tag
Tyr 303	-	expression tag
Phe 304	-	expression tag
Gln 305	-	expression tag
Gly 306	-	expression tag
Leu 307	-	expression tag
Glu 308	-	expression tag
Asp 309	-	expression tag
Tyr 310	-	expression tag
Lys 311	-	expression tag
Asp 312	-	expression tag
Asp 313	-	expression tag
Asp 314	-	expression tag
Asp 315	-	expression tag
Lys 316	-	expression tag
His 317	-	expression tag
His 318	-	expression tag
His 319	-	expression tag
His 320	-	expression tag
His 321	-	expression tag
His 322	-	expression tag
His 323	-	expression tag
His 324	-	expression tag
His 325	-	expression tag
His 326	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	36956.5
Non-Polymers*	Number of molecules	6
	Total formula weight	217.3
All*	Total formula weight	37173.8

*Water molecules are not included.