3TAR

Crystal Structure of Bacillus DNA Polymerase I Large Fragment Bound to Duplex DNA with Cytosine-Adenine Mismatch at (n-6) Position

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA polymerase I	polymer	592	67518.3	1	UniProt (C9RTX7)	Geobacillus
2	B (B)	5'-D(*GP*CP*GP*AP*TP*CP*AP*CP*GP*CP*AP*CP*GP*TP*C)-3'	polymer	15	4555.0	1
3	C (C)	5'-D(*GP*AP*CP*GP*TP*AP*CP*GP*TP*GP*AP*TP*CP*GP*CP*A)-3'	polymer	16	4923.2	1
4	D, E (D, E)	beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose	branched		342.3	2	In PDB BIRD (PRD_900003)		sucrose
5	F, G, H (A)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
6	I (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
7	J, K, L (A, B, C)	water	water		18.0	670	Chemie (HOH)

Sequence modifications

A: 285 - 876 (UniProt: C9RTX7)

PDB	External Database	Details
Glu 456	Ala 456	SEE REMARK 999
Lys 505	Glu 505	SEE REMARK 999
His 823	Arg 823	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	76996.5
Branched	Number of molecules	2
	Total formula weight	684.6
Non-Polymers*	Number of molecules	4
	Total formula weight	312.5
All*	Total formula weight	77993.6

*Water molecules are not included.