3BKV

X-ray structure of the bacteriophage phiKZ lytic transglycosylase, gp144, in complex with chitotetraose, (NAG)4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	lytic transglycosylase	polymer	268	30173.1	1	UniProt (Q8SD18) Pfam (PF01471) Pfam (PF01464) In PDB	Pseudomonas phage phiKZ	PHIKZ144
2	B	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		830.8	1	In PDB GlyTouCan (G01361SX)
3	A	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
4	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
5		water	water		18.0	10	Chemie (HOH)

Sequence modifications

A: 1 - 260 (UniProt: Q8SD18)

PDB	External Database	Details
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
Ile 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30173.1
Branched	Number of molecules	1
	Total formula weight	830.8
Non-Polymers*	Number of molecules	2
	Total formula weight	154.8
All*	Total formula weight	31158.7

*Water molecules are not included.