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1M40

ULTRA HIGH RESOLUTION CRYSTAL STRUCTURE OF TEM-1

Replaces:  1L7U
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
BETA-LACTAMASE TEMpolymer26328911.91UniProt (P62593)Escherichia coliTEM-1
2B, C, D
(A)
PHOSPHATE IONnon-polymer95.03Chemie (PO4)
3E, F, G, H
(A)
POTASSIUM IONnon-polymer39.14Chemie (K)
4I
(A)
PINACOL[[2-AMINO-ALPHA-(1-CARBOXY-1-METHYLETHOXYIMINO)-4-THIAZOLEACETYL]AMINO]METHANEBORONATEnon-polymer330.11Chemie (CB4)
5J
(A)
waterwater18.0566Chemie (HOH)
Sequence modifications
A: 26 - 290 (UniProt: P62593)
PDBExternal DatabaseDetails
Thr 182Met 180engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight28911.9
Non-Polymers*Number of molecules8
Total formula weight771.4
All*Total formula weight29683.3
*Water molecules are not included.

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PDB entries from 2026-02-04

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