4ZN1

Crystal Structure of MjSpt4:Spt5 complex conformation A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Transcription elongation factor Spt5	polymer	147	16158.9	1	UniProt (Q57818) Pfam (PF03439) Pfam (PF00467) In PDB	Methanocaldococcus jannaschii DSM 2661
2	B	Transcription elongation factor Spt4	polymer	72	8075.3	1	UniProt (Q57839) Pfam (PF06093) In PDB	Methanocaldococcus jannaschii DSM 2661
3	B	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
4		water	water		18.0	16	Chemie (HOH)

Sequence modifications

B: 2 - 59 (UniProt: Q57839)

PDB	External Database	Details
Met -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Ser -2	-	expression tag
Gln -1	-	expression tag
Asp 0	-	expression tag
Pro 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24234.2
Non-Polymers*	Number of molecules	1
	Total formula weight	65.4
All*	Total formula weight	24299.7

*Water molecules are not included.