4WQS

Thermus thermophilus RNA polymerase backtracked complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, K, L	DNA-directed RNA polymerase subunit alpha	polymer	315	35056.2	4	UniProt (Q5SHR6) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) In PDB	Thermus thermophilus HB8	RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
2	C, M	DNA-directed RNA polymerase subunit beta	polymer	1119	125436.5	2	UniProt (Q8RQE9) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) Pfam (PF04560) In PDB	Thermus thermophilus HB8	RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
3	D, N	DNA-directed RNA polymerase subunit beta'	polymer	1524	170997.4	2	UniProt (Q8RQE8) Pfam (PF04997) Pfam (PF21668) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) In PDB	Thermus thermophilus HB8	RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
4	E, O	DNA-directed RNA polymerase subunit omega	polymer	99	11533.3	2	UniProt (Q8RQE7) Pfam (PF01192) In PDB	Thermus thermophilus HB8	RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
5	G, X	DNA (28-MER)	polymer	28	8545.5	2		unidentified
6	H, Y	RNA (5'-R(P*CP*CP*AP*GP*CP*CP*GP*GP*CP*GP*CP*UP*CP*GP*CP*A)-3')	polymer	16	5087.1	2		unidentified
7	I, Z	DNA (5'-D(P*GP*TP*AP*GP*CP*TP*TP*GP*TP*GP*GP*TP*AP*GP*TP*GP*AP*CP*GP*AP*G)-3')	polymer	21	6574.2	2		unidentified
8	D, N	ZINC ION	non-polymer		65.4	4	Chemie (ZN)

Contents of the asymmetric unit

Polymers	Number of chains	16
	Total formula weight	796572.9
Non-Polymers*	Number of molecules	4
	Total formula weight	261.6
All*	Total formula weight	796834.5

*Water molecules are not included.