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6LZG

Structure of novel coronavirus spike receptor-binding domain complexed with its receptor ACE2

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Angiotensin-converting enzyme 2polymer59669038.61UniProt (Q9BYF1)
Pfam (PF01401)
Homo sapiens (Human)ACE-related carboxypeptidase,Angiotensin-converting enzyme homolog,ACEH,Metalloprotease MPROT15
2B
(B)
Spike protein S1polymer20923513.41UniProt (P0DTC2)
Pfam (PF09408)
Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)S glycoprotein,E2,Peplomer protein,Spike glycoprotein
3C, D, E, G
(A, B)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.24Chemie (NAG)
4F
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
5H, I
(A, B)
waterwater18.0322Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight92552.0
Non-Polymers*Number of molecules5
Total formula weight950.2
All*Total formula weight93502.2
*Water molecules are not included.

239149

PDB entries from 2025-07-23

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