8VGT

Structure of the HKU1 RBD bound to the human TMPRSS2 receptor

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Spike protein S1	polymer	338	37321.8	1	UniProt (Q5MQD0) Pfam (PF09408) In PDB	Human coronavirus HKU1 (isolate N1)
2	B	Transmembrane protease serine 2	polymer	416	46232.0	1	UniProt (O15393) Pfam (PF15494) Pfam (PF00089) In PDB	Homo sapiens (human)	Serine protease 10
3	C	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
4	A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	3	Chemie (NAG)

Sequence modifications

A: 320 - 614 (UniProt: Q5MQD0)

PDB	External Database	Details
Met 288	-	initiating methionine
Gly 289	-	expression tag
Ile 290	-	expression tag
Leu 291	-	expression tag
Pro 292	-	expression tag
Ser 293	-	expression tag
Pro 294	-	expression tag
Gly 295	-	expression tag
Met 296	-	expression tag
Pro 297	-	expression tag
Ala 298	-	expression tag
Leu 299	-	expression tag
Leu 300	-	expression tag
Ser 301	-	expression tag
Leu 302	-	expression tag
Val 303	-	expression tag
Ser 304	-	expression tag
Leu 305	-	expression tag
Leu 306	-	expression tag
Ser 307	-	expression tag
Val 308	-	expression tag
Leu 309	-	expression tag
Leu 310	-	expression tag
Met 311	-	expression tag
Gly 312	-	expression tag
Cys 313	-	expression tag
Val 314	-	expression tag
Ala 315	-	expression tag
Glu 316	-	expression tag
Thr 317	-	expression tag
Gly 318	-	expression tag
Thr 319	-	expression tag
Gly 615	-	expression tag
Gly 616	-	expression tag
Ser 617	-	expression tag
His 618	-	expression tag
His 619	-	expression tag
His 620	-	expression tag
His 621	-	expression tag
His 622	-	expression tag
His 623	-	expression tag
His 624	-	expression tag
His 625	-	expression tag

B: 109 - 492 (UniProt: O15393)

PDB	External Database	Details
Met 91	-	initiating methionine
Lys 92	-	expression tag
Trp 93	-	expression tag
Val 94	-	expression tag
Thr 95	-	expression tag
Phe 96	-	expression tag
Ile 97	-	expression tag
Ser 98	-	expression tag
Leu 99	-	expression tag
Leu 100	-	expression tag
Phe 101	-	expression tag
Leu 102	-	expression tag
Phe 103	-	expression tag
Ser 104	-	expression tag
Ser 105	-	expression tag
Ala 106	-	expression tag
Tyr 107	-	expression tag
Ser 108	-	expression tag
-	Ser 250	deletion
Asp 251	Ser 251	engineered mutation
Asp 252	Arg 252	engineered mutation
Asp 253	Gln 253	engineered mutation
Asp 254	Ser 254	engineered mutation
Lys 255	Arg 255	engineered mutation
Ala 441	Ser 441	engineered mutation
Cys 447	Thr 447	engineered mutation
Asp 493	-	expression tag
Asp 494	-	expression tag
Asp 495	-	expression tag
Asp 496	-	expression tag
Lys 497	-	expression tag
Ser 498	-	expression tag
Gly 499	-	expression tag
His 500	-	expression tag
His 501	-	expression tag
His 502	-	expression tag
His 503	-	expression tag
His 504	-	expression tag
His 505	-	expression tag
His 506	-	expression tag
His 507	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	83553.8
Branched	Number of molecules	1
	Total formula weight	424.4
Non-Polymers*	Number of molecules	3
	Total formula weight	663.6
All*	Total formula weight	84641.8

*Water molecules are not included.