6NQA

Active state Dot1L bound to the H2B-Ubiquitinated nucleosome, 1-to-1 complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	I	601 DNA Strand 1	polymer	146	44825.6	1		synthetic construct
2	J	601 DNA Strand 2	polymer	146	45305.9	1		synthetic construct
3	F, B	Histone H4	polymer	102	11263.2	2	UniProt (P62799) Pfam (PF15511) In PDB	Xenopus laevis (African clawed frog)
4	G, C	Histone H2A type 1	polymer	129	13978.2	2	UniProt (P06897) Pfam (PF00125) Pfam (PF16211) In PDB	Xenopus laevis (African clawed frog)
5	H, D	Histone H2B 1.1	polymer	122	13498.7	2	UniProt (P02281) Pfam (PF00125) In PDB	Xenopus laevis (African clawed frog)	H2B1.1
6	K	Histone-lysine N-methyltransferase, H3 lysine-79 specific	polymer	416	47432.0	1	UniProt (Q8TEK3) Pfam (PF08123) In PDB	Homo sapiens (Human)	DOT1-like protein,Histone H3-K79 methyltransferase,H3-K79-HMTase,Lysine N-methyltransferase 4
7	L	Ubiquitin	polymer	80	9036.4	1	UniProt (P0CG48) Pfam (PF00240) In PDB	Homo sapiens (Human)
8	E, A	Histone H3.2	polymer	135	15251.8	2	UniProt (P84233) Pfam (PF00125) In PDB	Xenopus laevis (African clawed frog)
9	K	S-ADENOSYLMETHIONINE	non-polymer		398.4	1	Chemie (SAM)

Sequence modifications

G, C: 1 - 129 (UniProt: P06897)

PDB	External Database	Details
Arg 99	Gly 100	engineered mutation
Ser 123	Ala 124	engineered mutation

H, D: 4 - 125 (UniProt: P02281)

PDB	External Database	Details
Thr 32	Ser 33	engineered mutation
Cys 120	Lys 121	engineered mutation

K: 2 - 416 (UniProt: Q8TEK3)

PDB	External Database	Details
Gly 1	-	expression tag

L: 1 - 76 (UniProt: P0CG48)

PDB	External Database	Details
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Met 0	-	expression tag
Cys 76	Gly 76	engineered mutation

E, A: 1 - 135 (UniProt: P84233)

PDB	External Database	Details
Nle 79	Lys 80	engineered mutation
Nle 90	Met 91	engineered mutation
Ala 102	Gly 103	engineered mutation
Nle 120	Met 121	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	254583.8
Non-Polymers*	Number of molecules	1
	Total formula weight	398.4
All*	Total formula weight	254982.3

*Water molecules are not included.