4KKI

Crystal Structure of Haptocorrin in Complex with CNCbl

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-1	polymer	467	52196.8	1	UniProt (P20061) Pfam (PF01122) Pfam (PF14478)	Homo sapiens (human)	TC-1, Transcobalamin I, TC I, TCI
2	B, C, D, E, F... (A)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	7	Chemie (NAG)
3	I (A)	CYANOCOBALAMIN	non-polymer		1356.4	1	Chemie (CNC)
4	J (A)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
5	K, L, M, N, O... (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	11	Chemie (PEG)
6	V (A)	water	water		18.0	134	Chemie (HOH)

Sequence modifications

A: -22 - 410 (UniProt: P20061)

PDB	External Database	Details
Leu 411	-	expression tag
Val 412	-	expression tag
Pro 413	-	expression tag
Arg 414	-	expression tag
Gly 415	-	expression tag
Ser 416	-	expression tag
Leu 417	-	expression tag
Glu 418	-	expression tag
Ser 419	-	expression tag
Arg 420	-	expression tag
Gly 421	-	expression tag
Pro 422	-	expression tag
Phe 423	-	expression tag
Glu 424	-	expression tag
Gln 425	-	expression tag
Lys 426	-	expression tag
Leu 427	-	expression tag
Ile 428	-	expression tag
Ser 429	-	expression tag
Glu 430	-	expression tag
Glu 431	-	expression tag
Asp 432	-	expression tag
Leu 433	-	expression tag
Asn 434	-	expression tag
Met 435	-	expression tag
His 436	-	expression tag
Thr 437	-	expression tag
Gly 438	-	expression tag
His 439	-	expression tag
His 440	-	expression tag
His 441	-	expression tag
His 442	-	expression tag
His 443	-	expression tag
His 444	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	52196.8
Non-Polymers*	Number of molecules	20
	Total formula weight	4112.2
All*	Total formula weight	56309.0

*Water molecules are not included.