8CXJ

The IgI3 domain of R28 protein from S. pyogenes bound to CEACAM1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E, G	Carcinoembryonic antigen-related cell adhesion molecule 1	polymer	109	12101.4	4	UniProt (P13688) Pfam (PF07686) In PDB	Homo sapiens (human)	Biliary glycoprotein 1,BGP-1
2	D, B, F, H	Surface protein R28	polymer	125	13791.6	4	UniProt (Q9XDB6) In PDB	Streptococcus pyogenes
3	B, A, C, E	GLYCEROL	non-polymer		92.1	5	Chemie (GOL)
4	G, A, C, E	SULFATE ION	non-polymer		96.1	14	Chemie (SO4)
5	G, D, A	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
6		water	water		18.0	9	Chemie (HOH)

Sequence modifications

A, C, E, G: 0 - 107 (UniProt: P13688)

PDB	External Database	Details
Met -1	-	initiating methionine

D, B, F, H: 1 - 112 (UniProt: Q9XDB6)

PDB	External Database	Details
Leu 113	-	expression tag
Pro 114	-	expression tag
Ser 115	-	expression tag
Thr 116	-	expression tag
Gly 117	-	expression tag
Gly 118	-	expression tag
Ser 119	-	expression tag
His 120	-	expression tag
His 121	-	expression tag
His 122	-	expression tag
His 123	-	expression tag
His 124	-	expression tag
His 125	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	103572.1
Non-Polymers*	Number of molecules	22
	Total formula weight	1911.7
All*	Total formula weight	105483.9

*Water molecules are not included.