6W7D

K2P2.1 (TREK-1), 10 mM K+

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Potassium channel subfamily K member 2	polymer	312	34303.9	2	UniProt (P97438) Pfam (PF07885) In PDB	Mus musculus (Mouse)	Outward rectifying potassium channel protein TREK-1,TREK-1 K(+) channel subunit,Two pore potassium channel TPKC1
2	A, B	N-OCTANE	non-polymer		114.2	5	Chemie (OCT)
3	A, B	DODECANE	non-polymer		170.3	3	Chemie (D12)
4	A, B	CADMIUM ION	non-polymer		112.4	3	Chemie (CD)
5	A	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
6	A	PENTAETHYLENE GLYCOL	non-polymer		238.3	1	Chemie (1PE)
7	B	PENTANE	non-polymer		72.1	2	Chemie (LNK)
8	B	HEXADECANE	non-polymer		226.4	1	Chemie (R16)

Sequence modifications

A, B: 21 - 322 (UniProt: P97438)

PDB	External Database	Details
Met 20	-	expression tag
Arg 84	Lys 99	conflict
Glu 85	Gln 100	conflict
Lys 86	Thr 101	conflict
Leu 88	Ile 103	conflict
Arg 89	Ala 104	conflict
Ala 90	Gln 105	conflict
Pro 92	Ala 107	conflict
Ser 95	Asn 110	conflict
Asp 96	Ser 111	conflict
Gln 97	Thr 112	conflict
Ala 119	Asn 134	conflict
Ala 300	Ser 315	conflict
Ala 306	Glu 321	conflict
Ser 323	-	expression tag
Asn 324	-	expression tag
Ser 325	-	expression tag
Leu 326	-	expression tag
Glu 327	-	expression tag
Val 328	-	expression tag
Leu 329	-	expression tag
Phe 330	-	expression tag
Gln 331	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68607.9
Non-Polymers*	Number of molecules	17
	Total formula weight	2106.6
All*	Total formula weight	70714.5

*Water molecules are not included.