9W00

Crystal structure of C-terminal domain of theta type Carbonic Anhydrase 3 from marine diatom Phaeodactylum tricornutum

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)	Limiting CO2-inducible protein B/C beta carbonyic anhydrase domain-containing protein	polymer	264	28050.7	2	UniProt (A0A173M023)	Phaeodactylum tricornutum
2	C, G (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN) PubChem (32051)
3	D, H (A, B)	CARBON DIOXIDE	non-polymer		44.0	2	Chemie (CO2) PubChem (280)
4	E, F, I, J, K (A, B)	SODIUM ION	non-polymer		23.0	5	Chemie (NA) PubChem (923)
5	L, M (A, B)	water	water		18.0	366	Chemie (HOH)

Sequence modifications

A, B: 2 - 249 (UniProt: A0A173M023)

PDB	External Database	Details
Met -16	-	initiating methionine
Asn -15	-	expression tag
His -14	-	expression tag
Lys -13	-	expression tag
Val -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
Ile -5	-	expression tag
Glu -4	-	expression tag
Gly -1	-	expression tag
Arg 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56101.3
Non-Polymers*	Number of molecules	9
	Total formula weight	333.8
All*	Total formula weight	56435.1

*Water molecules are not included.