1R9M

Crystal Structure of Human Dipeptidyl Peptidase IV at 2.1 Ang. Resolution.

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	Dipeptidyl peptidase IV	polymer	733	85153.4	4	UniProt (P27487) Pfam (PF00930) Pfam (PF00326) In PDB	Homo sapiens (human)	DPP IV, T-cell activation antigen CD26, TP103, Adenosine deaminase complexing protein-2, ADABP
2	E, G, H, I, J...	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	6	In PDB GlyTouCan (G42666HT)
3	F	alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	1	In PDB GlyTouCan (G62182OO)
4	K	alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	1	In PDB GlyTouCan (G04854NQ)
5	C, D, A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	21	Chemie (NAG)
6	B	alpha-L-fucopyranose	non-polymer		164.2	1	Chemie (FUC)
7		water	water		18.0	1678	Chemie (HOH)

Sequence modifications

A, B, C, D: 39 - 766 (UniProt: P27487)

PDB	External Database	Details
His 34	-	expression tag
His 35	-	expression tag
His 36	-	expression tag
His 37	-	expression tag
His 38	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	340613.4
Branched	Number of molecules	8
	Total formula weight	3881.6
Non-Polymers*	Number of molecules	22
	Total formula weight	4809.5
All*	Total formula weight	349304.6

*Water molecules are not included.