3PT8

Structure of HbII-III-CN from Lucina pectinata at pH 5.0

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Hemoglobin II	polymer	152	17041.6	1	UniProt (Q86G74) Pfam (PF00042) UniProt (by SIFTS) (P41261) In PDB	Lucina pectinata (Clam)
2	B	Hemoglobin III	polymer	152	17464.0	1	UniProt (A7UAU9) Pfam (PF00042) UniProt (by SIFTS) (P41262) In PDB	Lucina pectinata (Clam)
3	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
4	A, B	CYANIDE ION	non-polymer		26.0	2	Chemie (CYN)
5	A, B	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
6	A, B	FORMIC ACID	non-polymer		46.0	3	Chemie (FMT)
7		water	water		18.0	222	Chemie (HOH)

Sequence modifications

A: 1 - 151 (UniProt: Q86G74)

PDB	External Database	Details
Ace 0	-	acetylation

B: 1 - 152 (UniProt: A7UAU9)

PDB	External Database	Details
Asn 21	Asp 22	SEE REMARK 999
Gln 50	Glu 51	SEE REMARK 999
Asn 51	Asp 52	SEE REMARK 999
Asn 59	Asp 60	SEE REMARK 999
Ser 67	Ala 68	SEE REMARK 999
Thr 114	Val 115	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34505.5
Non-Polymers*	Number of molecules	9
	Total formula weight	1607.3
All*	Total formula weight	36112.8

*Water molecules are not included.