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9ML8

Crystal structure of the SARS-CoV-2 RBD in complex with the rabbit M8b-B1 Fab

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Spike protein S1polymer21224004.94UniProt (P0DTC2)
Pfam (PF09408)
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 2019-nCoV COVID-19 virus)
2E, G, I, K
(E, H, M, P)
M8b-B1 heavy chainpolymer23524956.04Oryctolagus cuniculus (rabbit)
3F, H, J, L
(F, L, N, Q)
M8b-B1 light chainpolymer21723367.74Oryctolagus cuniculus (rabbit)
4M, N, O, P
(G, I, J, K)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.44In PDB
GlyTouCan (G42666HT)
5Q, R, S, T, U...
(A, C, D, F, L...)
SULFATE IONnon-polymer96.17Chemie (SO4)
6AA, BA, CA, DA, EA...
(D, E, F, H, L...)
waterwater18.0755Chemie (HOH)
Sequence modifications
A, B, C, D: 328 - 533 (UniProt: P0DTC2)
PDBExternal DatabaseDetails
His 534-expression tag
His 535-expression tag
His 536-expression tag
His 537-expression tag
His 538-expression tag
His 539-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains12
Total formula weight289314.8
BranchedNumber of molecules4
Total formula weight1697.6
Non-Polymers*Number of molecules7
Total formula weight672.4
All*Total formula weight291684.9
*Water molecules are not included.

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PDB entries from 2025-07-30

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