3R05

Structure of neurexin 1 alpha (domains LNS1-LNS6), with splice insert SS3

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Neurexin-1-alpha	polymer	1254	138510.8	2	UniProt (Q28146) Pfam (PF02210) Pfam (PF00008) In PDB	Bos taurus (bovine)
2	C, D	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)

Sequence modifications

A, B: 51 - 277 (UniProt: Q28146)
A, B: 278 - 378 (UniProt: Q28146)
A, B: 394 - 1246 (UniProt: Q28146)
A, B: 1247 - 1339 (UniProt: Q28146)

PDB	External Database	Details
Ala 1340	-	expression tag
Ser 1341	-	expression tag
Thr 1342	-	expression tag
Ser 1343	-	expression tag
His 1344	-	expression tag
His 1345	-	expression tag
His 1346	-	expression tag
His 1347	-	expression tag
His 1348	-	expression tag
His 1349	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	277021.5
Branched	Number of molecules	2
	Total formula weight	848.8
All*	Total formula weight	277870.3

*Water molecules are not included.