5ZM9

Crystal structure of hexacoordinated heme protein from anhydrobiotic tardigrade at pH 7

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	D	Globin Protein	polymer	171	20269.0	1	UniProt (A0A1D1V896) Pfam (PF00042) In PDB	Ramazzottius varieornatus (Water bear)
2	D	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)
3	D	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4		water	water		18.0	33	Chemie (HOH)

Sequence modifications

D: 37 - 190 (UniProt: A0A1D1V896)

PDB	External Database	Details
Met 20	-	expression tag
Gly 21	-	expression tag
Ser 22	-	expression tag
Ser 23	-	expression tag
His 24	-	expression tag
His 25	-	expression tag
His 26	-	expression tag
His 27	-	expression tag
His 28	-	expression tag
His 29	-	expression tag
Glu 30	-	expression tag
Asn 31	-	expression tag
Leu 32	-	expression tag
Tyr 33	-	expression tag
Phe 34	-	expression tag
Gln 35	-	expression tag
Ser 36	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	20269.0
Non-Polymers*	Number of molecules	2
	Total formula weight	651.9
All*	Total formula weight	20920.9

*Water molecules are not included.