5UI8

structure of sigmaN-holoenzyme

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	G, H	DNA-directed RNA polymerase subunit alpha	polymer	329	36558.7	2	UniProt (P0A7Z6) Pfam (PF01193) Pfam (PF01000) Pfam (PF03118) UniProt (by SIFTS) (P0A7Z4) In PDB	Escherichia coli O157:H7	RNAP subunit alpha,RNA polymerase subunit alpha,Transcriptase subunit alpha
2	I	DNA-directed RNA polymerase subunit beta	polymer	1342	150804.9	1	UniProt (B7MIX3) Pfam (PF04560) Pfam (PF04563) Pfam (PF04561) Pfam (PF04565) Pfam (PF10385) Pfam (PF00562) UniProt (by SIFTS) (P0A8V2) In PDB	Escherichia coli O45:K1 (strain S88 / ExPEC)	RNAP subunit beta,RNA polymerase subunit beta,Transcriptase subunit beta
3	J	DNA-directed RNA polymerase subunit beta'	polymer	1407	155366.8	1	UniProt (P0A8T8) Pfam (PF04997) Pfam (PF00623) Pfam (PF04983) Pfam (PF05000) Pfam (PF04998) UniProt (by SIFTS) (P0A8T7) In PDB	Escherichia coli O157:H7	RNAP subunit beta',RNA polymerase subunit beta',Transcriptase subunit beta'
4	K	DNA-directed RNA polymerase subunit omega	polymer	91	10249.5	1	UniProt (B7MFL0) Pfam (PF01192) UniProt (by SIFTS) (P0A800) In PDB	Escherichia coli O45:K1 (strain S88 / ExPEC)	RNAP omega subunit,RNA polymerase omega subunit,Transcriptase subunit omega
5	M	RNA polymerase sigma-54 factor	polymer	477	53988.7	1	UniProt (A0A0J4U551) Pfam (PF00309) Pfam (PF04963) Pfam (PF04552) UniProt (by SIFTS) (A0A0H3H3L1) In PDB	Klebsiella pneumoniae
6	J	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
7	J	ZINC ION	non-polymer		65.4	2	Chemie (ZN)

Sequence modifications

I: 1 - 1342 (UniProt: B7MIX3)

PDB	External Database	Details
Val 516	Asp 516	conflict

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	443527.3
Non-Polymers*	Number of molecules	3
	Total formula weight	155.1
All*	Total formula weight	443682.4

*Water molecules are not included.