2G7C

Clostridium difficile Toxin A Fragment Bound to aGal(1,3)bGal(1,4)bGlcNAc

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Toxin A	polymer	255	28644.7	2	UniProt (P16154) Pfam (PF01473) Pfam (PF19127) In PDB	Clostridium difficile
2	C, D, E, F	alpha-D-galactopyranose-(1-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		545.5	4	In PDB GlyTouCan (G03499BP)
3	A, B	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
4		water	water		18.0	413	Chemie (HOH)

Sequence modifications

A, B: 8 - 262 (UniProt: P16154)

PDB	External Database	Details
Met 14	Leu 2462	variant
Glu 30	Val 2478	variant
Ala 32	Val 2480	variant
Asp 39	Asn 2487	variant
Asn 60	Ser 2508	variant
Asp 61	Gly 2509	variant
Arg 133	Asn 2581	variant
Ile 143	Met 2591	variant
Ile 150	Thr 2598	variant
Pro 171	Ser 2619	variant
Asp 188	Glu 2636	variant
Asn 204	Lys 2652	variant
Asn 224	Lys 2672	variant
Met 225	Val 2673	variant

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57289.5
Branched	Number of molecules	4
	Total formula weight	2182.0
Non-Polymers*	Number of molecules	6
	Total formula weight	552.6
All*	Total formula weight	60024.0

*Water molecules are not included.