4IPA

Structure of a thermophilic Arx1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Putative curved DNA-binding protein	polymer	423	46693.2	4	UniProt (G0S4S7) Pfam (PF00557)	Chaetomium thermophilum var. thermophilum DSM 1495
2	E, F, G, H, I... (A, B, C, D)	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
3	L, M, N, O (A, B, C, D)	water	water		18.0	902	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 415 (UniProt: G0S4S7)

PDB	External Database	Details
Met -7	-	expression tag
Gly -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	186773.0
Non-Polymers*	Number of molecules	7
	Total formula weight	672.4
All*	Total formula weight	187445.4

*Water molecules are not included.