6GF7

Molecular basis of egg coat filament cross-linking: Zn-SAD structure of the partially deglycosylated ZP1 ZP-N1 domain homodimer

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Zona pellucida sperm-binding protein 1,Zona pellucida sperm-binding protein 1	polymer	136	15485.5	2	UniProt (A0A140JXP0) Pfam (PF22821) In PDB	Gallus gallus (Chicken)
2	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
3	A, B	ZINC ION	non-polymer		65.4	9	Chemie (ZN)
4		water	water		18.0	24	Chemie (HOH)

Sequence modifications

A, B: 24 - 139 (UniProt: A0A140JXP0)

PDB	External Database	Details
Asp 19	-	expression tag
Ala 20	-	expression tag
Ala 21	-	expression tag
Gln 22	-	expression tag
Pro 23	-	expression tag
Gln 121	Asn 121	engineered mutation

A, B: 146 - 154 (UniProt: A0A140JXP0)

PDB	External Database	Details
His 140	-	expression tag
His 141	-	expression tag
His 142	-	expression tag
His 143	-	expression tag
His 144	-	expression tag
His 145	-	expression tag
Ser 154	Gly 149	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	30971.0
Non-Polymers*	Number of molecules	11
	Total formula weight	1031.1
All*	Total formula weight	32002.1

*Water molecules are not included.