1BZA

BETA-LACTAMASE TOHO-1 FROM ESCHERICHIA COLI TUH12191

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	BETA-LACTAMASE	polymer	262	28203.9	1	UniProt (Q47066) Pfam (PF00144) Pfam (PF00905) Pfam (PF13354) In PDB	Escherichia coli
2	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3		water	water		18.0	135	Chemie (HOH)

Sequence modifications

A: 29 - 289 (UniProt: Q47066)

PDB	External Database	Details
Gln 32	Lys 36	conflict
Glu 34	Ala 38	conflict
Ala 35	Glu 39	conflict
Lys 38	Arg 42	conflict
Ser 39	Gln 43	conflict
Ala 77	Val 80	conflict
Gln 83	Lys 86	conflict
Asp 87	Glu 90	conflict
Lys 88	Pro 91	conflict
His 89	Asn 92	conflict
Asn 114	Asp 117	conflict
Thr 118	Ser 121	conflict
Gly 123	Ser 126	conflict
Thr 133	Val 136	conflict
Ala 140	Ser 143	conflict
Leu 142	Val 145	conflict
Asp 146	Ala 149	conflict
Lys 147	Ser 150	conflict
Ser 154	Gln 157	conflict
Ala 166	Glu 169	engineered mutation
Thr 182	Ser 185	conflict
Leu 184	Arg 187	conflict
Lys 191	Arg 194	conflict
Ala 200	Gly 203	conflict
Glu 201	Asp 204	conflict
Thr 202	Ser 205	conflict
Leu 211	Met 214	conflict
Ser 218	Ala 221	conflict
Arg 222	Gln 225	conflict
Lys 227	Ala 230	conflict
Glu 254	Lys 255	conflict
Asn 255	Asp 256	conflict
His 256	Arg 257	conflict
Val 260	Ile 261	conflict
Glu 269	Gln 270	conflict
Gln 270	Pro 271	conflict
Arg 274	Ser 275	conflict
Ile 278	Val 279	conflict
Ala 281	Ser 282	conflict
His 288	Asn 289	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28203.9
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	28396.1

*Water molecules are not included.