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6XPX

Human antibody S1V2-51 in complex with the influenza hemagglutinin head domain of A/Aichi/2/1968 (X-31)(H3N2)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Hemagglutininpolymer28931936.91UniProt (P03437)
Pfam (PF00509)
Influenza A virus
2B
(C)
S1V2-51 Fab light chainpolymer22024198.81Homo sapiens
3C
(B)
S1V2-51 Fab heavy chainpolymer22724159.01Homo sapiens
4D
(D)
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched586.51In PDB
GlyTouCan (G15407YE)
5E, F
(A)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.22Chemie (NAG)
6G, J
(A)
BICINEnon-polymer163.22Chemie (BCN)
7H, I, K, M, N...
(A, C, B)
GLYCEROLnon-polymer92.17Chemie (GOL)
8L
(C)
PENTAETHYLENE GLYCOLnon-polymer238.31Chemie (1PE)
9Q, R, S
(A, C, B)
waterwater18.016Chemie (HOH)
Sequence modifications
A: 37 - 319 (UniProt: P03437)
PDBExternal DatabaseDetails
Asp 188Asn 204conflict
Leu 320-expression tag
Glu 321-expression tag
Val 322-expression tag
Leu 323-expression tag
Phe 324-expression tag
Gln 325-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight80294.7
BranchedNumber of molecules1
Total formula weight586.5
Non-Polymers*Number of molecules12
Total formula weight1651.7
All*Total formula weight82532.9
*Water molecules are not included.

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PDB entries from 2026-03-11

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