4AHO

Crystal Structure of N-acetylneuraminic acid lyase from Staphylococcus aureus with the chemical modification thia-lysine at position 165

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	N-ACETYLNEURAMINATE LYASE	polymer	299	33922.4	4	UniProt (Q2G160) Pfam (PF00701) In PDB	STAPHYLOCOCCUS AUREUS SUBSP. AUREUS NCTC 8325	N-ACETYLNEURAMINIC ACID LYASE, N-ACETYLNEURAMINATE PYRUVATE-LYASE, N-ACETYLNEURAMINIC ACID ALDOLASE, SIALATE LYASE, SIALIC ACID ALDOLASE, SIALIC ACID LYASE
2	A, B, C, D	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
3		water	water		18.0	362	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 293 (UniProt: Q2G160)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	135689.5
Non-Polymers*	Number of molecules	4
	Total formula weight	141.8
All*	Total formula weight	135831.3

*Water molecules are not included.