6QP9

Drosophila Semaphorin 1a, extracellular domains 1-2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Semaphorin-1A	polymer	536	59946.0	2	UniProt (Q24322) Pfam (PF01403) Pfam (PF01437) In PDB	Drosophila melanogaster (Fruit fly)	Semaphorin-I,Sema I
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)
3	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)

Sequence modifications

A, B: 80 - 603 (UniProt: Q24322)

PDB	External Database	Details
Glu 76	-	expression tag
Thr 77	-	expression tag
Gly 78	-	expression tag
Tyr 79	-	expression tag
Thr 604	-	expression tag
Lys 605	-	expression tag
His 606	-	expression tag
His 607	-	expression tag
His 608	-	expression tag
His 609	-	expression tag
His 610	-	expression tag
His 611	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	119891.9
Branched	Number of molecules	2
	Total formula weight	848.8
Non-Polymers*	Number of molecules	2
	Total formula weight	442.4
All*	Total formula weight	121183.1

*Water molecules are not included.