5EPM

Ceratotoxin variant in complex with specific antibody Fab fragment

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, E	Antibody Fab fragment heavy chain	polymer	219	23751.7	2		Mus musculus
2	B, F	Antibody Fab fragment light chain	polymer	218	24120.7	2		Mus musculus
3	C, D	Beta-theraphotoxin-Cm1a	polymer	33	3985.8	2	UniProt (P84507) Pfam (PF07740) In PDB	Ceratogyrus marshalli	Beta-TRTX-Cm1a,CcoTx1,Ceratotoxin-1
4		water	water		18.0	947	Chemie (HOH)

Sequence modifications

C, D: 1 - 33 (UniProt: P84507)

PDB	External Database	Details
Met 5	Trp 5	variant
Glu 12	Lys 12	variant
Arg 19	Asn 19	variant
Leu 20	Tyr 20	variant
Val 21	Thr 21	variant
Ser 25	Arg 25	variant
His 26	Asp 26	variant
Trp 31	Tyr 31	variant
Lys 32	Asp 32	variant

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	103716.3
All*	Total formula weight	103716.3

*Water molecules are not included.