9IUQ

KP.2 RBD in complex with ACE2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Processed angiotensin-converting enzyme 2	polymer	594	68804.3	1	UniProt (Q9BYF1) Pfam (PF01401)	Homo sapiens (human)
2	B (B)	Spike protein S1	polymer	190	21585.3	1	UniProt (P0DTC2) Pfam (PF09408)	Severe acute respiratory syndrome coronavirus 2
3	C, D (B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)

Sequence modifications

B: 334 - 524 (UniProt: P0DTC2)

PDB	External Database	Details
His 339	Gly 339	variant
Thr 346	Arg 346	variant
Thr 356	Lys 356	variant
Phe 371	Ser 371	variant
Pro 373	Ser 373	variant
Phe 375	Ser 375	variant
Ala 376	Thr 376	variant
Lys 403	Arg 403	variant
Asn 405	Asp 405	variant
Ser 408	Arg 408	variant
Asn 417	Lys 417	variant
Lys 440	Asn 440	variant
His 445	Val 445	variant
Ser 446	Gly 446	variant
Asp 450	Asn 450	variant
Trp 452	Leu 452	variant
Ser 455	Leu 455	variant
Leu 456	Phe 456	variant
Lys 460	Asn 460	variant
Asn 477	Ser 477	variant
Lys 478	Thr 478	variant
Lys 481	Asn 481	variant
-	Val 483	deletion
Lys 484	Glu 484	variant
Pro 486	Phe 486	variant
Arg 498	Gln 498	variant
Tyr 501	Asn 501	variant
His 505	Tyr 505	variant

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	90389.6
Non-Polymers*	Number of molecules	2
	Total formula weight	442.4
All*	Total formula weight	90832.1

*Water molecules are not included.