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1NN2

THREE-DIMENSIONAL STRUCTURE OF THE NEURAMINIDASE OF INFLUENZA VIRUS A(SLASH)TOKYO(SLASH)3(SLASH)67 AT 2.2 ANGSTROMS RESOLUTION

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
NEURAMINIDASEpolymer38843141.01UniProt (P06820)Influenza A virus (A/Tokyo/3/1967(H2N2))
2B
(B)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.41In PDB
GlyTouCan (G42666HT)
3C
(C)
2-acetamido-2-deoxy-4-O-sulfo-alpha-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranosebranched1381.31In PDB
GlyTouCan (G29489WX)
4D
(D)
alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched1073.01In PDB
GlyTouCan (G56014GC)
5E, F
(A)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.22Chemie (NAG)
6G
(A)
CALCIUM IONnon-polymer40.11Chemie (CA)
7H
(A)
waterwater18.086Chemie (HOH)
Sequence modifications
A: 82 - 469 (UniProt: P06820)
PDBExternal DatabaseDetails
Asp 339Asn 339conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight43141.0
BranchedNumber of molecules3
Total formula weight2878.6
Non-Polymers*Number of molecules3
Total formula weight482.5
All*Total formula weight46502.1
*Water molecules are not included.

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PDB entries from 2026-02-11

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