2PYS

Crystal Structure of a Five Site Mutated Cyanovirin-N with a Mannose Dimer Bound at 1.8 A Resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Cyanovirin-N	polymer	109	11949.1	2	UniProt (P81180) Pfam (PF08881)	Nostoc ellipsosporum	CV-N
2	C, D (C, D)	alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose	branched		342.3	2	In PDB BIRD (PRD_900111) GlyTouCan (G53402KW)		2alpha-alpha-mannobiose
3	E, F, G, H (A, B, C, D)	water	water		18.0	184	Chemie (HOH)

Sequence modifications

A, B: 1 - 101 (UniProt: P81180)

PDB	External Database	Details
Asn 3	Lys 3	engineered mutation
Ala 7	Thr 7	engineered mutation
Ile 23	Glu 23	engineered mutation
Gly 51	Pro 51	engineered mutation
Ala 93	Asn 93	engineered mutation
Leu 102	-	cloning artifact
Glu 103	-	cloning artifact
His 104	-	expression tag
His 105	-	expression tag
His 106	-	expression tag
His 107	-	expression tag
His 108	-	expression tag
His 109	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23898.2
Branched	Number of molecules	2
	Total formula weight	684.6
All*	Total formula weight	24582.8

*Water molecules are not included.