4RBM

Porphyromonas gingivalis gingipain K (Kgp) catalytic and immunoglobulin superfamily-like domains

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Lys-gingipain W83	polymer	461	51012.8	1	UniProt (Q51817) Pfam (PF01364) Pfam (PF03785)	Porphyromonas gingivalis	Lysine specific cysteine protease, Lysine-specific cysteine proteinase, Porphypain, PrtK48, Lys-gingipain catalytic subunit, 39 kDa adhesin, PrtK39, 15 kDa adhesin, PrtK15, 44 kDa adhesin, PrtK44
2	B, C (A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, E, G (A)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
4	F (A)	NICKEL (II) ION	non-polymer		58.7	1	Chemie (NI)
5	H (A)	HISTIDINE	non-polymer		156.2	1	Chemie (HIS)
6	I, J (A)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
7	K, L, M (A)	AZIDE ION	non-polymer		42.0	3	Chemie (AZI)
8	N, O, P, Q (A)	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
9	R (A)	(3S)-3,7-diaminoheptan-2-one	non-polymer		144.2	1	Chemie (CKC)
10	S (A)	water	water		18.0	533	Chemie (HOH)

Sequence modifications

A: 229 - 683 (UniProt: Q51817)

PDB	External Database	Details
His 684	-	expression tag
His 685	-	expression tag
His 686	-	expression tag
His 687	-	expression tag
His 688	-	expression tag
His 689	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	51012.8
Non-Polymers*	Number of molecules	17
	Total formula weight	1120.7
All*	Total formula weight	52133.5

*Water molecules are not included.