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5K9Q

Crystal structure of multidonor HV1-18-class broadly neutralizing Influenza A antibody 16.a.26 in complex with A/Hong Kong/1-4-MA21-1/1968 (H3N2) Hemagglutinin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C, E, M, O...
(A, C, E, M, O...)
Hemagglutinin HA1polymer32035225.66UniProt (Q91MA7)
Pfam (PF00509)
Influenza A virus
2B, D, F, N, P...
(B, D, F, N, P...)
Hemagglutinin HA2polymer17019728.76UniProt (Q91MA7)
Pfam (PF00509)
Influenza A virus (strain A/Hong Kong/1/1968 H3N2)
3G, H, J, S, U...
(G, H, J, S, U...)
16.a.26 Heavy chainpolymer23124567.66Homo sapiens
4I, K, L, T, V...
(I, K, L, T, V...)
16.a.26 Light chainpolymer21423585.26Homo sapiens (Human)
5AA, AB, BA, BB, CA...
(A, O, P, Q, B...)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.236Chemie (NAG)
6AC, BC, CC, DC, EC...
(S, T, U, V, X...)
waterwater18.01669Chemie (HOH)
Sequence modifications
A, C, E, M, O, Q: 8 - 327 (UniProt: Q91MA7)
PDBExternal DatabaseDetails
Glu 218Gly 234conflict
Ala 327Gln 343conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains24
Total formula weight618642.8
Non-Polymers*Number of molecules36
Total formula weight7963.5
All*Total formula weight626606.3
*Water molecules are not included.

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PDB entries from 2026-01-14

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