3CI0

The Crystal Structure of the GspK-GspI-GspJ complex from enterotoxigenic Escherichia coli Type 2 Secretion System

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	I	Pseudopilin GspI	polymer	89	10101.9	1	UniProt (Q8VPC3) Pfam (PF02501) In PDB	Escherichia coli
2	J	Pseudopilin GspJ	polymer	163	18686.2	1	UniProt (Q8VRM4) Pfam (PF11612) UniProt (by SIFTS) (A0A4C3GMC1) In PDB	Escherichia coli
3	K	Pseudopilin GspK	polymer	298	33696.3	1	UniProt (A7ZRI8) Pfam (PF21687) Pfam (PF03934) UniProt (by SIFTS) (Q8VLK7) In PDB	Escherichia coli
4	I	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5	I, K	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
6		water	water		18.0	190	Chemie (HOH)

Sequence modifications

I: 29 - 114 (UniProt: Q8VPC3)

PDB	External Database	Details
Gly 26	-	EXPRESSION TAG
Ala 27	-	EXPRESSION TAG
Met 28	-	EXPRESSION TAG

J: 31 - 192 (UniProt: Q8VRM4)

PDB	External Database	Details
Met 30	-	EXPRESSION TAG

K: 22 - 316 (UniProt: A7ZRI8)

PDB	External Database	Details
Gly 19	-	EXPRESSION TAG
Ala 20	-	EXPRESSION TAG
Met 21	-	EXPRESSION TAG

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	62484.5
Non-Polymers*	Number of molecules	4
	Total formula weight	155.7
All*	Total formula weight	62640.1

*Water molecules are not included.