6ABO

human XRCC4 and IFFO1 complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA repair protein XRCC4	polymer	227	26145.5	1	UniProt (Q13426) Pfam (PF06632) Pfam (PF21924)	Homo sapiens (Human)	X-ray repair cross-complementing protein 4
2	B (B)	Intermediate filament family orphan 1	polymer	82	9817.1	1	UniProt (Q0D2I5)	Homo sapiens (Human)	Tumor antigen HOM-TES-103
3	C (A)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4	D, E (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
5	F, G (A, B)	water	water		18.0	243	Chemie (HOH)

Sequence modifications

A: 1 - 213 (UniProt: Q13426)

PDB	External Database	Details
Met -13	-	initiating methionine
Gly -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Ser -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

B: 453 - 529 (UniProt: Q0D2I5)

PDB	External Database	Details
Met 448	-	initiating methionine
Ala 449	-	expression tag
Arg 450	-	expression tag
Ser 451	-	expression tag
Met 452	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	35962.6
Non-Polymers*	Number of molecules	3
	Total formula weight	284.2
All*	Total formula weight	36246.9

*Water molecules are not included.