6GBG

Helicobacter pylori adhesin HopQ type I bound to the N-terminal domain of human CEACAM1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (D)	Carcinoembryonic antigen-related cell adhesion molecule 1	polymer	115	12956.4	1	UniProt (P13688) Pfam (PF07686)	Homo sapiens (Human)	Biliary glycoprotein 1,BGP-1
2	B (A)	Outer membrane protein	polymer	411	44222.4	1	UniProt (B5Z8H1) Pfam (PF18304)	Helicobacter pylori (strain G27)
3	C, D, E (A)	BROMIDE ION	non-polymer		79.9	3	Chemie (BR)
4	F, G (D, A)	water	water		18.0	12	Chemie (HOH)

Sequence modifications

D: 1 - 108 (UniProt: P13688)

PDB	External Database	Details
Met 0	-	initiating methionine
His 109	-	expression tag
His 110	-	expression tag
His 111	-	expression tag
His 112	-	expression tag
His 113	-	expression tag
His 114	-	expression tag

A: 23 - 426 (UniProt: B5Z8H1)

PDB	External Database	Details
Met 22	-	initiating methionine
His 427	-	expression tag
His 428	-	expression tag
His 429	-	expression tag
His 430	-	expression tag
His 431	-	expression tag
His 432	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57178.8
Non-Polymers*	Number of molecules	3
	Total formula weight	239.7
All*	Total formula weight	57418.5

*Water molecules are not included.