8IXU

Rat Transcobalamin in Complex with Cobalamin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Transcobalamin-2	polymer	427	47605.4	1	UniProt (Q9R0D6) Pfam (PF01122) Pfam (PF14478)	Rattus norvegicus (Norway rat)	TC-2,Transcobalamin II,TC II,TCII
2	B (A)	COBALAMIN	non-polymer		1330.4	1	Chemie (B12)
3	C, D (A)	NITRATE ION	non-polymer		62.0	2	Chemie (NO3)
4	E, F, G, H (A)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
5	I (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
6	J (A)	water	water		18.0	355	Chemie (HOH)

Sequence modifications

A: 19 - 427 (UniProt: Q9R0D6)

PDB	External Database	Details
Gly 1	-	expression tag
Ser 2	-	expression tag
Ser 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
Ser 10	-	expression tag
Ser 11	-	expression tag
Gly 12	-	expression tag
Asp 13	-	expression tag
Asp 14	-	expression tag
Asp 15	-	expression tag
Asp 16	-	expression tag
Lys 17	-	expression tag
Gly 18	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	47605.4
Non-Polymers*	Number of molecules	8
	Total formula weight	1619.2
All*	Total formula weight	49224.5

*Water molecules are not included.