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3IDY

Crystal structure of HIV-gp120 core in complex with CD4-binding site antibody b13, space group C2221

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, D
(G, A)
HIV-1 HxBc2 gp120 corepolymer31735126.92Pfam (PF00516)
UniProt (by SIFTS) (P04578)
Human immunodeficiency virus 1
2B, E
(H, B)
Fab b13 heavy chainpolymer23124810.92Homo sapiens (human)
3C, F
(L, C)
Fab b13 light chainpolymer21523639.12Homo sapiens (human)
4AA, BA, CA, DA, EA...
(A, G)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.228Chemie (NAG)
5U
(G)
SULFATE IONnon-polymer96.11Chemie (SO4)
6JA, KA, LA, MA, NA...
(G, H, L, A, B...)
waterwater18.0152Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight167153.9
Non-Polymers*Number of molecules29
Total formula weight6289.9
All*Total formula weight173443.7
*Water molecules are not included.

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PDB entries from 2026-01-14

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