7ZAS

Crystal structure of cleaved Iripin-4 serpin from tick Ixodes ricinus

This is a non-PDB format compatible entry.

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	Iripin-4 serpin	polymer	341	37855.1	4	UniProt (A0A0K8RJV9) Pfam (PF00079) In PDB	Ixodes ricinus (castor bean tick)	Putative salivary serpin
2	aa, bb, cc, dd	Iripin-4 serpin	polymer	35	4151.7	4	UniProt (A0A0K8RJV9) In PDB	Ixodes ricinus (castor bean tick)	Putative salivary serpin
3	A, B, C, D	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
4		water	water		18.0	1276	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 341 (UniProt: A0A0K8RJV9)

PDB	External Database	Details
Gln 78	His 94	variant
Glu 155	Gly 171	variant
Asp 307	Gly 323	variant

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	168027.2
Non-Polymers*	Number of molecules	4
	Total formula weight	141.8
All*	Total formula weight	168169.0

*Water molecules are not included.