7FBK

Crystal structure of SARS-CoV-2 receptor binding domain N501Y mutant in complex with neutralizing nanobody 20G6

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Spike protein S1	polymer	230	25672.6	2	UniProt (P0DTC2) Pfam (PF09408)	Severe acute respiratory syndrome coronavirus 2 (2019-nCoV SARS-CoV-2)
2	C, D (C, D)	New antigen receptor variable domain	polymer	129	14390.8	2		Chiloscyllium plagiosum
3	E, F (E, F)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		570.5	2	In PDB GlyTouCan (G21290RB)
4	G, H, I, J (A, B, C, D)	water	water		18.0	164	Chemie (HOH)

Sequence modifications

A, B: 332 - 527 (UniProt: P0DTC2)

PDB	External Database	Details
Asp 326	-	expression tag
Ala 327	-	expression tag
Ala 328	-	expression tag
Gln 329	-	expression tag
Pro 330	-	expression tag
Ala 331	-	expression tag
Tyr 501	Asn 501	engineered mutation
Ala 528	-	expression tag
Ala 529	-	expression tag
Ala 530	-	expression tag
Arg 531	-	expression tag
Gly 532	-	expression tag
Gly 533	-	expression tag
Pro 534	-	expression tag
Glu 535	-	expression tag
Gln 536	-	expression tag
Lys 537	-	expression tag
Leu 538	-	expression tag
Ile 539	-	expression tag
Ser 540	-	expression tag
Glu 541	-	expression tag
Glu 542	-	expression tag
Asp 543	-	expression tag
Leu 544	-	expression tag
Asn 545	-	expression tag
Ser 546	-	expression tag
Ala 547	-	expression tag
Val 548	-	expression tag
Asp 549	-	expression tag
His 550	-	expression tag
His 551	-	expression tag
His 552	-	expression tag
His 553	-	expression tag
His 554	-	expression tag
His 555	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	80126.9
Branched	Number of molecules	2
	Total formula weight	1141.1
All*	Total formula weight	81267.9

*Water molecules are not included.