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2IZE

APOSTREPTAVIDIN PH 3.08 I222 COMPLEX

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(B, D)
STREPTAVIDINpolymer12312965.02UniProt (P22629)
Pfam (PF01382)
Streptomyces avidinii
2C
(B)
SODIUM IONnon-polymer23.01Chemie (NA)
3D, G
(B, D)
CHLORIDE IONnon-polymer35.52Chemie (CL)
4E, H
(B, D)
FORMIC ACIDnon-polymer46.02Chemie (FMT)
5F
(D)
AMMONIUM IONnon-polymer18.01Chemie (NH4)
6I, J
(B, D)
waterwater18.0132Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight25930.0
Non-Polymers*Number of molecules6
Total formula weight204.0
All*Total formula weight26134.0
*Water molecules are not included.

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PDB entries from 2025-07-30

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