1RPQ

High Affinity IgE Receptor (alpha chain) Complexed with Tight-Binding E131 'zeta' Peptide from Phage Display

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)	High affinity immunoglobulin epsilon receptor alpha-subunit precursor	polymer	176	20462.7	4	UniProt (P12319) Pfam (PF13927) Pfam (PF13895)	Homo sapiens (human)	FcERI, IgE Fc receptor, alpha-subunit, Fc-epsilon RI-alpha
2	E, F, G, H (W, X, Y, Z)	Peptide E131	polymer	21	2539.9	4
3	I, L (E, H)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		627.6	2	In PDB BIRD (PRD_900017) GlyTouCan (G47362BJ)		triacetyl-beta-chitotriose
4	J, M, P, S (F, I, L, O)	beta-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-4)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		910.8	4	In PDB GlyTouCan (G85872LH)
5	K, N, Q, T (G, J, M, P)	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	4	In PDB GlyTouCan (G15407YE)
6	O, R (K, N)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
7	U, W, X, Z (A, B, C, D)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	4	Chemie (NAG)
8	BA, V (Z, A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
9	AA, Y (D, C)	CITRIC ACID	non-polymer		192.1	2	Chemie (CIT)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	92010.5
Branched	Number of molecules	12
	Total formula weight	8093.4
Non-Polymers*	Number of molecules	8
	Total formula weight	1461.2
All*	Total formula weight	101565.2

*Water molecules are not included.