6TEP

Crystal structure of a galactokinase from Bifidobacterium infantis in complex with ADP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, D, C, B)	Galactokinase	polymer	429	45815.4	4	UniProt (B7GUI0) Pfam (PF10509) Pfam (PF00288) Pfam (PF08544)	Bifidobacterium longum subsp. infantis (strain ATCC 15697 / DSM 20088 / JCM 1222 / NCTC 11817 / S12)
2	BA, CA, DA, E, EA... (B, A, D, C)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	11	Chemie (PEG)
3	F, G, GA, HA, IA... (A, B, D, C)	GLYCEROL	non-polymer		92.1	9	Chemie (GOL)
4	H, JA, P, Y (A, B, D, C)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
5	I, J, KA, Q, Z (A, B, D, C)	CHLORIDE ION	non-polymer		35.5	5	Chemie (CL)
6	AA, K, LA, R (C, A, B, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
7	S (C)	TETRAETHYLENE GLYCOL	non-polymer		194.2	1	Chemie (PG4)
8	MA, NA, OA, PA (A, D, C, B)	water	water		18.0	1475	Chemie (HOH)

Sequence modifications

A, D, C, B: 1 - 416 (UniProt: B7GUI0)

PDB	External Database	Details
Lys 417	-	expression tag
Leu 418	-	expression tag
Ala 419	-	expression tag
Ala 420	-	expression tag
Ala 421	-	expression tag
Leu 422	-	expression tag
Glu 423	-	expression tag
His 424	-	expression tag
His 425	-	expression tag
His 426	-	expression tag
His 427	-	expression tag
His 428	-	expression tag
His 429	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	183261.5
Non-Polymers*	Number of molecules	34
	Total formula weight	4173.7
All*	Total formula weight	187435.2

*Water molecules are not included.