5U3D

STRUCTURE OF MEDITOPE ENABLED TRASTUZUMAB I83E VARIANT

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	MEMAB TRASTUZUMAB FAB LIGHT CHAIN I83E	polymer	214	23518.0	1		Homo sapiens
2	B	MEMAB TRASTUZUMAB FAB HEAVY CHAIN	polymer	223	23774.6	1		Homo sapiens
3	E	Protein L	polymer	65	6994.7	1	UniProt (Q51918) Pfam (PF02246) In PDB	Finegoldia magna (Peptostreptococcus magnus)
4	C	Immunoglobulin G binding protein A	polymer	54	6037.5	1	UniProt (Q2UW42) Pfam (PF02216) UniProt (by SIFTS) (P02976) In PDB	Staphylococcus aureus
5	A	MESO-ERYTHRITOL	non-polymer		122.1	1	Chemie (MRY)
6		water	water		18.0	803	Chemie (HOH)

Sequence modifications

E: 21 - 81 (UniProt: Q51918)

PDB	External Database	Details
Ser 17	-	expression tag
Gly 18	-	expression tag
Ser 19	-	expression tag
Glu 20	-	expression tag
Ile 34	Thr 490	engineered mutation
Ala 55	Asp 511	engineered mutation
Asn 73	Tyr 529	engineered mutation
His 74	Thr 530	engineered mutation
Met 75	Ile 531	engineered mutation

C: 4 - 54 (UniProt: Q2UW42)

PDB	External Database	Details
Gly 1	-	expression tag
Ser 2	-	expression tag
Tyr 3	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	60324.9
Non-Polymers*	Number of molecules	1
	Total formula weight	122.1
All*	Total formula weight	60447.0

*Water molecules are not included.