6ATH

Cdk2/cyclin A/p27-KID-deltaC

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cyclin-dependent kinase 2	polymer	300	34200.6	1	UniProt (P24941) Pfam (PF00069) In PDB	Homo sapiens (Human)	Cell division protein kinase 2,p33 protein kinase
2	B	Cyclin-A2	polymer	263	30142.8	1	UniProt (P20248) Pfam (PF00134) Pfam (PF02984) In PDB	Homo sapiens (Human)	Cyclin-A,Cyclin A
3	C	Cyclin-dependent kinase inhibitor 1B	polymer	68	8106.0	1	UniProt (P46527) Pfam (PF02234) In PDB	Homo sapiens (Human)	Cyclin-dependent kinase inhibitor p27,p27Kip1
4	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5		water	water		18.0	399	Chemie (HOH)

Sequence modifications

A: 1 - 298 (UniProt: P24941)

PDB	External Database	Details
Gly -1	-	expression tag
Ser 0	-	expression tag

B: 173 - 432 (UniProt: P20248)

PDB	External Database	Details
Gly 170	-	expression tag
Ser 171	-	expression tag
Met 172	-	expression tag

C: 22 - 85 (UniProt: P46527)

PDB	External Database	Details
Gly 18	-	expression tag
Ser 19	-	expression tag
His 20	-	expression tag
Met 21	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	72449.4
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	72545.5

*Water molecules are not included.