3L1P

POU protein:DNA 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	POU domain, class 5, transcription factor 1	polymer	155	17962.9	2	UniProt (P20263) Pfam (PF00157) Pfam (PF00046) In PDB	Mus musculus (mouse)	Octamer-binding transcription factor 3, Oct-3, Oct-4, NF-A3
2	N	DNA (5'-D(*TP*CP*CP*AP*CP*AP*TP*TP*TP*GP*AP*AP*AP*GP*GP*CP*AP*AP*AP*TP*GP*GP*A)-3')	polymer	23	7097.6	1
3	M	DNA (5'-D(*AP*TP*CP*CP*AP*TP*TP*TP*GP*CP*CP*TP*TP*TP*CP*AP*AP*AP*TP*GP*TP*GP*G)-3')	polymer	23	7021.5	1

Sequence modifications

A, B: 1 - 152 (UniProt: P20263)

PDB	External Database	Details
Gly -2	-	expression tag
Ala -1	-	expression tag
Met 0	-	expression tag
Ser 48	Cys 178	engineered mutation
Ser 61	Cys 191	engineered mutation
Ser 84	Cys 214	engineered mutation
Ser 115	Cys 245	engineered mutation
Ser 142	Cys 272	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	50044.9
All*	Total formula weight	50044.9

*Water molecules are not included.