3SU8

Crystal structure of a truncated intracellular domain of Plexin-B1 in complex with Rac1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Ras-related C3 botulinum toxin substrate 1	polymer	184	20668.8	1	UniProt (P63000) Pfam (PF00071)	Homo sapiens (human)	Cell migration-inducing gene 5 protein, Ras-like protein TC25, p21-Rac1
2	B (X)	Plexin-B1	polymer	611	69860.8	1	UniProt (O43157) Pfam (PF08337) Pfam (PF20170)	Homo sapiens (human)	Semaphorin receptor SEP
3	C (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4	D (A)	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER	non-polymer		522.2	1	Chemie (GNP)

Sequence modifications

A: 1 - 177 (UniProt: P63000)

PDB	External Database	Details
Lys 178	-	expression tag
His 179	-	expression tag
His 180	-	expression tag
His 181	-	expression tag
His 182	-	expression tag
His 183	-	expression tag
His 184	-	expression tag

X: 1533 - 2135 (UniProt: O43157)

PDB	External Database	Details
Met 1525	-	expression tag
Gly 1526	-	expression tag
His 1527	-	expression tag
His 1528	-	expression tag
His 1529	-	expression tag
His 1530	-	expression tag
His 1531	-	expression tag
His 1532	-	expression tag
Thr 1625	Ser 1625	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	90529.6
Non-Polymers*	Number of molecules	2
	Total formula weight	546.5
All*	Total formula weight	91076.1

*Water molecules are not included.