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3QKG

Crystal structure of alpha-1-microglobulin at 2.3 A resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Protein AMBPpolymer19321956.81UniProt (P02760)
Pfam (PF00061)
Homo sapiens (human)Alpha-1-microglobulin, Protein HC, Alpha-1 microglycoprotein, Complex-forming glycoprotein heterogeneous in charge, Inter-alpha-trypsin inhibitor light chain, ITI-LC, Bikunin, EDC1, HI-30, Uronic-acid-rich protein, Trypstatin
2B
(A)
NICKEL (II) IONnon-polymer58.71Chemie (NI)
3C
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
4D
(A)
waterwater18.047Chemie (HOH)
Sequence modifications
A: 1 - 183 (UniProt: P02760)
PDBExternal DatabaseDetails
Ser 34Cys 53engineered mutation
Ser 184-expression tag
Ala 185-expression tag
Trp 186-expression tag
Ser 187-expression tag
His 188-expression tag
Pro 189-expression tag
Gln 190-expression tag
Phe 191-expression tag
Glu 192-expression tag
Lys 193-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight21956.8
Non-Polymers*Number of molecules2
Total formula weight150.8
All*Total formula weight22107.6
*Water molecules are not included.

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PDB entries from 2026-02-18

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