8BUO

Structure of DDB1 bound to DS24-engaged CDK12-cyclin K

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D, G	DNA damage-binding protein 1	polymer	840	93675.4	3	UniProt (Q3U1J4) UniProt (Q16531) Pfam (PF10433) Pfam (PF03178) In PDB	Homo sapiens (human)	DDB p127 subunit,Damage-specific DNA-binding protein 1,UV-damaged DNA-binding factor,DDB p127 subunit,DNA damage-binding protein a,DDBa,Damage-specific DNA-binding protein 1,HBV X-associated protein 1,XAP-1,UV-damaged DNA-binding factor,UV-damaged DNA-binding protein 1,UV-DDB 1,XPE-binding factor,XPE-BF,Xeroderma pigmentosum group E-complementing protein,XPCe
2	B, E, H	Cyclin-dependent kinase 12	polymer	344	40143.3	3	UniProt (Q9NYV4) Pfam (PF00069) In PDB	Homo sapiens (human)	Cdc2-related kinase,arginine/serine-rich,CrkRS,Cell division cycle 2-related protein kinase 7,CDC2-related protein kinase 7,Cell division protein kinase 12,hCDK12
3	C, F, I	Cyclin-K	polymer	271	31700.5	3	UniProt (O75909) Pfam (PF00134) Pfam (PF21797) In PDB	Homo sapiens (human)
4	F, G, H, A, I...	SULFATE ION	non-polymer		96.1	26	Chemie (SO4)
5	H, B, E	(2~{R})-2-[[6-[(3-fluoranyl-4-pyridin-2-yl-phenyl)methylamino]-9-propan-2-yl-purin-2-yl]amino]butan-1-ol	non-polymer		449.5	3	Chemie (RLC)

Sequence modifications

A, D, G: 1 - 699 (UniProt: Q3U1J4)

PDB	External Database	Details
Gly -3	-	expression tag
Gly -2	-	expression tag
Gly -1	-	expression tag
Arg 0	-	expression tag
Gly 700	-	linker
Asn 701	-	linker
Gly 702	-	linker
Asn 703	-	linker
Ser 704	-	linker
Gly 705	-	linker

A, D, G: 706 - 1140 (UniProt: Q16531)
B, E, H: 712 - 1051 (UniProt: Q9NYV4)

PDB	External Database	Details
Gly 709	-	expression tag
Gly 710	-	expression tag
Gly 711	-	expression tag
Arg 965	Lys 965	engineered mutation
Gln 1052	-	expression tag

C, F, I: 1 - 267 (UniProt: O75909)

PDB	External Database	Details
Gly -3	-	expression tag
Gly -2	-	expression tag
Gly -1	-	expression tag
Arg 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	9
	Total formula weight	496557.7
Non-Polymers*	Number of molecules	29
	Total formula weight	3846.2
All*	Total formula weight	500403.9

*Water molecules are not included.