3TTM

Crystal structure of SpuD in complex with putrescine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Polyamine transport protein	polymer	346	38437.7	2	UniProt (Q9I6J1) Pfam (PF13416) In PDB	Pseudomonas aeruginosa
2	A, B	1,4-DIAMINOBUTANE	non-polymer		88.2	2	Chemie (PUT)
3		water	water		18.0	284	Chemie (HOH)

Sequence modifications

A, B: 26 - 366 (UniProt: Q9I6J1)

PDB	External Database	Details
Gly 21	-	expression tag
Pro 22	-	expression tag
Leu 23	-	expression tag
Gly 24	-	expression tag
Ser 25	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	76875.3
Non-Polymers*	Number of molecules	2
	Total formula weight	176.3
All*	Total formula weight	77051.6

*Water molecules are not included.