7JV7

Crystal Structure of the yeast RNA Pol II CTD kinase CTDK-1 complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	CTD kinase subunit alpha	polymer	355	40667.9	1	UniProt (Q03957) Pfam (PF00069) In PDB	Saccharomyces cerevisiae (Baker's yeast)	CTDK-I subunit alpha,CTD kinase 58 kDa subunit,CTD kinase subunit 1
2	B	CTD kinase subunit beta	polymer	325	38096.7	1	UniProt (P46962) Pfam (PF00134) In PDB	Saccharomyces cerevisiae (Baker's yeast)	CTDK-I subunit beta,CTD kinase 38 kDa subunit,CTD kinase subunit 2
3	C	CTD kinase subunit gamma	polymer	296	34856.2	1	UniProt (P46963) Pfam (PF12350) In PDB	Saccharomyces cerevisiae (Baker's yeast)	CTDK-I gamma subunit,CTD kinase 32 kDa subunit,CTD kinase subunit 3
4	A	CITRATE ANION	non-polymer		189.1	1	Chemie (FLC)
5		water	water		18.0	549	Chemie (HOH)

Sequence modifications

A: 159 - 508 (UniProt: Q03957)

PDB	External Database	Details
Gly 154	-	expression tag
Ala 155	-	expression tag
Met 156	-	expression tag
Gly 157	-	expression tag
Ser 158	-	expression tag

B: 1 - 323 (UniProt: P46962)

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

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	113620.7
Non-Polymers*	Number of molecules	1
	Total formula weight	189.1
All*	Total formula weight	113809.8

*Water molecules are not included.