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6XC4

Crystal structure of SARS-CoV-2 receptor binding domain in complex with neutralizing antibody CC12.3

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, D
(A, Z)
Spike protein S1polymer23126095.32UniProt (P0DTC2)
Pfam (PF09408)
Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)
2B, E
(H, X)
CC12.3 heavy chainpolymer22023377.22Homo sapiens
3C, F
(L, Y)
CC12.3 light chainpolymer21523432.02Homo sapiens
4G, H
(A, Z)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.22Chemie (NAG)
5I, J, K, L, M...
(A, H, L, Z, X...)
waterwater18.0649Chemie (HOH)
Sequence modifications
A, Z: 319 - 541 (UniProt: P0DTC2)
PDBExternal DatabaseDetails
Ser 542-expression tag
Gly 543-expression tag
His 544-expression tag
His 545-expression tag
His 546-expression tag
His 547-expression tag
His 548-expression tag
His 549-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight145808.9
Non-Polymers*Number of molecules2
Total formula weight442.4
All*Total formula weight146251.3
*Water molecules are not included.

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PDB entries from 2025-06-11

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