1P5C

Circular permutation of Helix A in T4 lysozyme

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 (A, B, C, D)	Lysozyme	polymer	167	18861.6	4	UniProt (P00720) Pfam (PF00959)	Enterobacteria phage T4	Lysis protein, Muramidase, Endolysin
2	E, F, G, H (A, B, C, D)	water	water		18.0	286	Chemie (HOH)

Sequence modifications

A, B, C, D: 12 - 178 (UniProt: P00720)

PDB	External Database	Details
Met 12	Gly 12	engineered mutation
Thr 54	Cys 54	engineered mutation
Ala 97	Cys 97	engineered mutation
Ser 164	-	SEE REMARK 999
Gly 165	-	SEE REMARK 999
Gly 166	-	SEE REMARK 999
Ala 167	-	SEE REMARK 999
Met 168	-	SEE REMARK 999
Asn 169	-	SEE REMARK 999
Ile 170	-	SEE REMARK 999
Phe 171	-	SEE REMARK 999
Glu 172	-	SEE REMARK 999
Met 173	-	SEE REMARK 999
Arg 175	-	SEE REMARK 999
Ile 176	-	SEE REMARK 999
Asp 177	-	SEE REMARK 999
Glu 178	-	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	75446.4
All*	Total formula weight	75446.4

*Water molecules are not included.