Q6ZNG2_P09630.1 contacts (residues)

ReceptorR: Secondary StructureR: ResidueR; ChainR: Residue numberLigandL: Secondary StructureL: ResidueL: ChainL: Residue Number
R-TYRA148L-PROV22
R-SERA149L-PROV22
R-SERA149L-ASNV23
R-SERA149L-VALV24
R-ALAA150L-LEUV21
R-ALAA150L-PROV22
R-CYSA151L-LEUV21
R-CYSA151L-PROV22
R-CYSA151L-VALV24
R-CYSA152L-VALV20
R-CYSA152L-LEUV21
R-GLYA153L-ASPV19
R-GLYA153L-VALV20
R-GLYA153L-LEUV21
R-GLYA154L-ASPV19
R-GLYA154L-VALV20
R-ILEA187L-LEUV26
R-ARGA189L-LEUV26
R-ARGA189L-ASNV27
RHLYSA240L-ALAV30
RHVALA258L-ASNV7
RHVALA258L-SERV9
R-LEUA260L-ASNV7
R-GLNA261L-PHEV5
R-GLNA261L-ASNV7
R-GLUA262L-TYRV4
R-GLUA262L-PHEV5
R-GLUA262L-THRV6
R-GLUA262L-ASNV7
R-ASPA263L-SERV3
R-ASPA263L-PHEV5
R-PROA264L-ASNV2
R-PROA264L-SERV3
R-PHEA272L-TYRV50
R-PROA283L-ALAV43
R-PROA283L-ALAV45
R-GLNA284L-ALAV45
R-GLNA285L-ALAV45
R-GLNA285L-ASNV47
R-HISA286L-GLNV46
R-HISA286L-ASNV47
R-SERA287L-ASNV47
R-LEUA44L-ALAV139
R-ARGA45L-TYRV137
R-ARGA45L-GLYV138
R-ARGA45L-ALAV139
R-VALA46L-ALAV139
R-GLYA47L-GLYV138
R-GLYA47L-ALAV139
R-GLYA48L-HISV132
R-GLYA48L-SERV133
R-GLYA48L-GLYV138
R-GLYA48L-ARGV141
R-ALAA49L-HISV132
R-ALAA49L-SERV133
R-ALAA49L-GLYV134
R-ALAA49L-VALV135
R-ALAA49L-GLYV136
R-ALAA49L-ARGV141
R-PROA50L-HISV132
R-PROA50L-GLYV134
R-THRA51L-HISV132
R-ARGA53L-ARGV143
R-PROA59LHARGV168
R-THRA64L-GLNV233
R-THRA64L-LYSV234
R-ALAA65L-GLNV233
R-LEUA66L-GLNV233

 - Title of columns started by 'R:' means Receptor, 'L:' means Ligand
 - In the Secondary Structure columns: 'H' means that residues in that row are part of Alpha Helix; 'S' - Beta Sheet





Q6ZNG2_P09630.1 contacts (residues & atoms)

ReceptorR: Secondary StructureR: AtomR: ResidueR; ChainR: Residue numberLigandL: Secondary StructureL; AtomL: ResidueL: ChainL: Residue Number
R-CALEUA44L-CBALAV139
R-CALEUA44L-HB2ALAV139
R-CALEUA44L-HB3ALAV139
R-CLEUA44L-CBALAV139
R-CLEUA44L-HALAV139
R-CLEUA44L-HB1ALAV139
R-CLEUA44L-HB2ALAV139
R-CLEUA44L-HB3ALAV139
R-CBLEUA44L-HB2ALAV139
R-OLEUA44L-NALAV139
R-OLEUA44L-CAALAV139
R-OLEUA44L-CBALAV139
R-OLEUA44L-HALAV139
R-OLEUA44L-HB1ALAV139
R-OLEUA44L-HB2ALAV139
R-OLEUA44L-HB3ALAV139
R-NARGA45L-HALAV139
R-NARGA45L-HB2ALAV139
R-NARGA45L-HB3ALAV139
R-CAARGA45L-HALAV139
R-CAARGA45L-HB3ALAV139
R-CARGA45L-HATYRV137
R-CARGA45L-HD1TYRV137
R-CARGA45L-HGLYV138
R-CARGA45L-HALAV139
R-OARGA45L-CATYRV137
R-OARGA45L-CTYRV137
R-OARGA45L-CBTYRV137
R-OARGA45L-CD1TYRV137
R-OARGA45L-HATYRV137
R-OARGA45L-HB3TYRV137
R-OARGA45L-HD1TYRV137
R-OARGA45L-NGLYV138
R-OARGA45L-HGLYV138
R-OARGA45L-HALAV139
R-CGARGA45L-HB3TYRV137
R-CGARGA45L-HD1TYRV137
R-CDARGA45L-HB3TYRV137
R-NVALA46L-HB3ALAV139
R-NGLYA47L-HGLYV138
R-CGLYA47L-HGLYV138
R-CGLYA47L-HAALAV139
R-OGLYA47L-CGLYV138
R-OGLYA47L-OGLYV138
R-OGLYA47L-HGLYV138
R-OGLYA47L-NALAV139
R-OGLYA47L-CAALAV139
R-OGLYA47L-HALAV139
R-OGLYA47L-HAALAV139
R-OGLYA47L-HB3ALAV139
R-CAGLYA48L-OHISV132
R-CAGLYA48L-HASERV133
R-CGLYA48L-OHISV132
R-CGLYA48L-HASERV133
R-CGLYA48L-HB3ARGV141
R-OGLYA48L-CGLYV138
R-OGLYA48L-OGLYV138
R-OGLYA48L-CBARGV141
R-OGLYA48L-HARGV141
R-OGLYA48L-HB3ARGV141
R-OGLYA48L-HG3ARGV141
R-OGLYA48L-HD2ARGV141
R-NALAA49L-CHISV132
R-NALAA49L-OHISV132
R-NALAA49L-HASERV133
R-NALAA49L-HGLYV134
R-CAALAA49L-CHISV132
R-CAALAA49L-OHISV132
R-CAALAA49L-HGLYV134
R-CAALAA49L-HD2ARGV141
R-CALAA49L-CAHISV132
R-CALAA49L-CHISV132
R-CALAA49L-OHISV132
R-CALAA49L-HAHISV132
R-CALAA49L-NSERV133
R-CALAA49L-HASERV133
R-CALAA49L-NGLYV134
R-CALAA49L-CAGLYV134
R-CALAA49L-CGLYV134
R-CALAA49L-OGLYV134
R-CALAA49L-HGLYV134
R-CALAA49L-HA2GLYV134
R-CBALAA49L-OGLYV134
R-CBALAA49L-OVALV135
R-CBALAA49L-OGLYV136
R-CBALAA49L-HD2ARGV141
R-CBALAA49L-HEARGV141
R-OALAA49L-CAHISV132
R-OALAA49L-CHISV132
R-OALAA49L-OHISV132
R-OALAA49L-HAHISV132
R-OALAA49L-NSERV133
R-OALAA49L-CASERV133
R-OALAA49L-CSERV133
R-OALAA49L-HASERV133
R-OALAA49L-NGLYV134
R-OALAA49L-CAGLYV134
R-OALAA49L-CGLYV134
R-OALAA49L-OGLYV134
R-OALAA49L-HGLYV134
R-OALAA49L-HA2GLYV134
R-OALAA49L-HA3GLYV134
R-OALAA49L-NVALV135
R-OALAA49L-HVALV135
R-NPROA50L-CAHISV132
R-NPROA50L-CHISV132
R-NPROA50L-OHISV132
R-NPROA50L-HAHISV132
R-NPROA50L-NGLYV134
R-NPROA50L-OGLYV134
R-NPROA50L-HGLYV134
R-NPROA50L-HA2GLYV134
R-CAPROA50L-OHISV132
R-CAPROA50L-HAHISV132
R-CPROA50L-HAHISV132
R-CPROA50L-HB3HISV132
R-OPROA50L-CAHISV132
R-OPROA50L-CHISV132
R-OPROA50L-CBHISV132
R-OPROA50L-OHISV132
R-OPROA50L-CGHISV132
R-OPROA50L-HAHISV132
R-OPROA50L-HB2HISV132
R-OPROA50L-HB3HISV132
R-OPROA50L-HD2HISV132
R-CGPROA50L-OGLYV134
R-CGPROA50L-HA2GLYV134
R-CDPROA50L-CHISV132
R-CDPROA50L-OHISV132
R-CDPROA50L-HAHISV132
R-CDPROA50L-NGLYV134
R-CDPROA50L-CAGLYV134
R-CDPROA50L-CGLYV134
R-CDPROA50L-OGLYV134
R-CDPROA50L-HGLYV134
R-CDPROA50L-HA2GLYV134
R-NTHRA51L-HAHISV132
R-OARGA53L-HH22ARGV143
R-CPROA59LHHH21ARGV168
R-OPROA59LHNH2ARGV168
R-OPROA59LHHH21ARGV168
R-OPROA59LHHH22ARGV168
R-CATHRA64L-HD2LYSV234
R-CBTHRA64L-CDLYSV234
R-CBTHRA64L-HB2LYSV234
R-CBTHRA64L-HD2LYSV234
R-CG2THRA64L-OGLNV233
R-CG2THRA64L-CBLYSV234
R-CG2THRA64L-CGLYSV234
R-CG2THRA64L-CDLYSV234
R-CG2THRA64L-HB2LYSV234
R-CG2THRA64L-HB3LYSV234
R-CG2THRA64L-HG2LYSV234
R-CG2THRA64L-HD2LYSV234
R-CG2THRA64L-HD3LYSV234
R-OG1THRA64L-CDLYSV234
R-OG1THRA64L-NZLYSV234
R-OG1THRA64L-HD2LYSV234
R-OG1THRA64L-HD3LYSV234
R-OG1THRA64L-HZ2LYSV234
R-OG1THRA64L-HZ3LYSV234
R-CBALAA65L-OGLNV233
R-CD1LEUA66L-HB2GLNV233
R-OTYRA148L-HG2PROV22
R-CASERA149L-OASNV23
R-CASERA149L-HG21VALV24
R-CASERA149L-HG23VALV24
R-CSERA149L-OPROV22
R-CSERA149L-HD3PROV22
R-CBSERA149L-OASNV23
R-CBSERA149L-CG2VALV24
R-CBSERA149L-HG21VALV24
R-CBSERA149L-HG22VALV24
R-CBSERA149L-HG23VALV24
R-OGSERA149L-OASNV23
R-OGSERA149L-CBVALV24
R-OGSERA149L-CG2VALV24
R-OGSERA149L-HG21VALV24
R-OGSERA149L-HG22VALV24
R-OGSERA149L-HG23VALV24
R-NALAA150L-OPROV22
R-NALAA150L-CGPROV22
R-NALAA150L-CDPROV22
R-NALAA150L-HG2PROV22
R-NALAA150L-HD3PROV22
R-CAALAA150L-HB3LEUV21
R-CAALAA150L-HD22LEUV21
R-CAALAA150L-OPROV22
R-CAALAA150L-CGPROV22
R-CAALAA150L-CDPROV22
R-CAALAA150L-HG2PROV22
R-CAALAA150L-HD2PROV22
R-CAALAA150L-HD3PROV22
R-CALAA150L-CLEUV21
R-CALAA150L-CBLEUV21
R-CALAA150L-HB3LEUV21
R-CALAA150L-NPROV22
R-CALAA150L-CPROV22
R-CALAA150L-OPROV22
R-CALAA150L-CGPROV22
R-CALAA150L-CDPROV22
R-CALAA150L-HG2PROV22
R-CALAA150L-HD2PROV22
R-CALAA150L-HD3PROV22
R-CBALAA150L-CD2LEUV21
R-CBALAA150L-HB3LEUV21
R-CBALAA150L-HD13LEUV21
R-CBALAA150L-HD22LEUV21
R-CBALAA150L-HD23LEUV21
R-CBALAA150L-NPROV22
R-CBALAA150L-CGPROV22
R-CBALAA150L-CDPROV22
R-CBALAA150L-HG2PROV22
R-CBALAA150L-HG3PROV22
R-CBALAA150L-HD2PROV22
R-CBALAA150L-HD3PROV22
R-OALAA150L-CALEUV21
R-OALAA150L-CLEUV21
R-OALAA150L-CBLEUV21
R-OALAA150L-OLEUV21
R-OALAA150L-HALEUV21
R-OALAA150L-HB2LEUV21
R-OALAA150L-HB3LEUV21
R-OALAA150L-HD22LEUV21
R-OALAA150L-NPROV22
R-OALAA150L-CAPROV22
R-OALAA150L-CPROV22
R-OALAA150L-CBPROV22
R-OALAA150L-OPROV22
R-OALAA150L-CGPROV22
R-OALAA150L-CDPROV22
R-OALAA150L-HAPROV22
R-OALAA150L-HG2PROV22
R-OALAA150L-HD2PROV22
R-OALAA150L-HD3PROV22
R-NCYSA151L-HB3LEUV21
R-NCYSA151L-OPROV22
R-NCYSA151L-HD3PROV22
R-CACYSA151L-HB3LEUV21
R-SGCYSA151L-CPROV22
R-SGCYSA151L-OPROV22
R-SGCYSA151L-HG21VALV24
R-NCYSA152L-CBLEUV21
R-NCYSA152L-HB2LEUV21
R-NCYSA152L-HB3LEUV21
R-NCYSA152L-HD11LEUV21
R-CACYSA152L-HB2LEUV21
R-CACYSA152L-HD11LEUV21
R-CCYSA152L-OVALV20
R-CCYSA152L-HG13VALV20
R-CCYSA152L-CBLEUV21
R-CCYSA152L-CD1LEUV21
R-CCYSA152L-HB2LEUV21
R-CCYSA152L-HD11LEUV21
R-OCYSA152L-OVALV20
R-OCYSA152L-CG1VALV20
R-OCYSA152L-HG11VALV20
R-OCYSA152L-HG13VALV20
R-OCYSA152L-CBLEUV21
R-OCYSA152L-CGLEUV21
R-OCYSA152L-CD1LEUV21
R-OCYSA152L-HB2LEUV21
R-OCYSA152L-HB3LEUV21
R-OCYSA152L-HGLEUV21
R-OCYSA152L-HD11LEUV21
R-OCYSA152L-HD12LEUV21
R-OCYSA152L-HD13LEUV21
R-NGLYA153L-CVALV20
R-NGLYA153L-OVALV20
R-NGLYA153L-HBVALV20
R-NGLYA153L-HG13VALV20
R-NGLYA153L-HB2LEUV21
R-NGLYA153L-HD11LEUV21
R-CAGLYA153L-CASPV19
R-CAGLYA153L-OASPV19
R-CAGLYA153L-HB2ASPV19
R-CAGLYA153L-NVALV20
R-CAGLYA153L-CAVALV20
R-CAGLYA153L-CVALV20
R-CAGLYA153L-CBVALV20
R-CAGLYA153L-OVALV20
R-CAGLYA153L-CG1VALV20
R-CAGLYA153L-HBVALV20
R-CAGLYA153L-HG11VALV20
R-CAGLYA153L-HG13VALV20
R-CAGLYA153L-HB2LEUV21
R-CGLYA153L-HB2ASPV19
R-CGLYA153L-CBVALV20
R-CGLYA153L-OVALV20
R-CGLYA153L-CG1VALV20
R-CGLYA153L-HBVALV20
R-CGLYA153L-HG11VALV20
R-CGLYA153L-HG13VALV20
R-OGLYA153L-HB2ASPV19
R-OGLYA153L-HBVALV20
R-NGLYA154L-HB2ASPV19
R-NGLYA154L-CBVALV20
R-NGLYA154L-OVALV20
R-NGLYA154L-CG1VALV20
R-NGLYA154L-CG2VALV20
R-NGLYA154L-HBVALV20
R-NGLYA154L-HG11VALV20
R-NGLYA154L-HG13VALV20
R-NGLYA154L-HG23VALV20
R-CAGLYA154L-CG1VALV20
R-CAGLYA154L-HBVALV20
R-CAGLYA154L-HG11VALV20
R-CAGLYA154L-HG23VALV20
R-OGLYA154L-CGASPV19
R-OGLYA154L-OD1ASPV19
R-CG2ILEA187L-HD12LEUV26
R-CG2ILEA187L-HD13LEUV26
R-CD1ILEA187L-HD11LEUV26
R-CD1ILEA187L-HD13LEUV26
R-NH1ARGA189L-CD2LEUV26
R-NH1ARGA189L-HD21LEUV26
R-NH1ARGA189L-HD22LEUV26
R-NH1ARGA189L-HD23LEUV26
R-NH1ARGA189L-ND2ASNV27
R-NH1ARGA189L-HD21ASNV27
R-NH1ARGA189L-HD22ASNV27
R-NH2ARGA189L-HD22LEUV26
R-NH2ARGA189L-HD23LEUV26
R-CZARGA189L-HD22LEUV26
R-CZARGA189L-HD23LEUV26
RHNZLYSA240L-HB1ALAV30
RHNZLYSA240L-HB2ALAV30
RHCAVALA258L-HB3ASNV7
RHCVALA258L-HB2ASNV7
RHCVALA258L-HB3ASNV7
RHCBVALA258L-HB3ASNV7
RHCBVALA258L-HASERV9
RHCBVALA258L-HB3SERV9
RHOVALA258L-CBASNV7
RHOVALA258L-HB2ASNV7
RHOVALA258L-HB3ASNV7
RHOVALA258L-HD21ASNV7
RHCG1VALA258L-CASNV7
RHCG1VALA258L-OASNV7
RHCG1VALA258L-HB3ASNV7
RHCG1VALA258L-NSERV9
RHCG1VALA258L-CASERV9
RHCG1VALA258L-CBSERV9
RHCG1VALA258L-HSERV9
RHCG1VALA258L-HASERV9
RHCG1VALA258L-HB3SERV9
RHCG2VALA258L-CASERV9
RHCG2VALA258L-CBSERV9
RHCG2VALA258L-HASERV9
RHCG2VALA258L-HB2SERV9
RHCG2VALA258L-HB3SERV9
R-NLEUA260L-HD21ASNV7
R-CALEUA260L-HD21ASNV7
R-CLEUA260L-ND2ASNV7
R-CLEUA260L-HD21ASNV7
R-CLEUA260L-HD22ASNV7
R-OLEUA260L-ND2ASNV7
R-OLEUA260L-HD21ASNV7
R-OLEUA260L-HD22ASNV7
R-NGLNA261L-ND2ASNV7
R-NGLNA261L-HD21ASNV7
R-NGLNA261L-HD22ASNV7
R-CAGLNA261L-ND2ASNV7
R-CAGLNA261L-HD21ASNV7
R-CAGLNA261L-HD22ASNV7
R-CGLNA261L-CBPHEV5
R-CGLNA261L-HB2PHEV5
R-CGLNA261L-HB3PHEV5
R-CGLNA261L-HD21ASNV7
R-CBGLNA261L-CGASNV7
R-CBGLNA261L-ND2ASNV7
R-CBGLNA261L-HD21ASNV7
R-CBGLNA261L-HD22ASNV7
R-OGLNA261L-CAPHEV5
R-OGLNA261L-CPHEV5
R-OGLNA261L-CBPHEV5
R-OGLNA261L-OPHEV5
R-OGLNA261L-CGPHEV5
R-OGLNA261L-HB2PHEV5
R-OGLNA261L-HB3PHEV5
R-CGGLNA261L-HD22ASNV7
R-NE2GLNA261L-HD22ASNV7
R-NGLUA262L-HB3PHEV5
R-CAGLUA262L-HPHEV5
R-CAGLUA262L-HB3PHEV5
R-CBGLUA262L-HATYRV4
R-CBGLUA262L-HD1TYRV4
R-CBGLUA262L-OPHEV5
R-CBGLUA262L-HPHEV5
R-CGGLUA262L-CPHEV5
R-CGGLUA262L-OPHEV5
R-CGGLUA262L-HPHEV5
R-CDGLUA262L-HB3TYRV4
R-CDGLUA262L-HD1TYRV4
R-CDGLUA262L-OPHEV5
R-OE1GLUA262L-HB3TYRV4
R-OE1GLUA262L-CPHEV5
R-OE1GLUA262L-OPHEV5
R-OE1GLUA262L-HATHRV6
R-OE1GLUA262L-HASNV7
R-OE2GLUA262L-CD1TYRV4
R-OE2GLUA262L-HB3TYRV4
R-OE2GLUA262L-HD1TYRV4
R-NASPA263L-HB3PHEV5
R-NASPA263L-HD2PHEV5
R-CASPA263L-HD2PHEV5
R-OASPA263L-OSERV3
R-OASPA263L-CD2PHEV5
R-OASPA263L-HD2PHEV5
R-OASPA263L-HE2PHEV5
R-NPROA264L-OSERV3
R-CAPROA264L-OSERV3
R-CAPROA264L-OGSERV3
R-CAPROA264L-HSERV3
R-CPROA264L-HSERV3
R-CBPROA264L-CAASNV2
R-CBPROA264L-CASNV2
R-CBPROA264L-HAASNV2
R-CBPROA264L-HB2ASNV2
R-CBPROA264L-NSERV3
R-CBPROA264L-CSERV3
R-CBPROA264L-OSERV3
R-CBPROA264L-HSERV3
R-OPROA264L-HAASNV2
R-CGPHEA272L-HHTYRV50
R-CD1PHEA272L-OHTYRV50
R-CD1PHEA272L-HHTYRV50
R-CE1PHEA272L-OHTYRV50
R-CE1PHEA272L-HHTYRV50
R-CZPHEA272L-HHTYRV50
R-CAPROA283L-CBALAV43
R-CAPROA283L-HB1ALAV43
R-CAPROA283L-HB2ALAV43
R-CPROA283L-HB1ALAV43
R-CPROA283L-HB2ALAV45
R-CBPROA283L-CAALAV43
R-CBPROA283L-CBALAV43
R-CBPROA283L-HAALAV43
R-CBPROA283L-HB1ALAV43
R-CBPROA283L-HB2ALAV43
R-CBPROA283L-HB3ALAV43
R-CBPROA283L-HB2ALAV45
R-OPROA283L-HB2ALAV45
R-CGPROA283L-CAALAV43
R-CGPROA283L-CBALAV43
R-CGPROA283L-HAALAV43
R-CGPROA283L-HB1ALAV43
R-CGPROA283L-HB2ALAV43
R-NGLNA284L-HB2ALAV45
R-CGLNA284L-CBALAV45
R-CGLNA284L-HB1ALAV45
R-CGLNA284L-HB2ALAV45
R-CGLNA284L-HB3ALAV45
R-OGLNA284L-CBALAV45
R-OGLNA284L-HALAV45
R-OGLNA284L-HB1ALAV45
R-OGLNA284L-HB2ALAV45
R-OGLNA284L-HB3ALAV45
R-NGLNA285L-HB3ALAV45
R-CAGLNA285L-HB3ALAV45
R-CGLNA285L-HB1ALAV45
R-CGLNA285L-HB3ALAV45
R-CBGLNA285L-HB3ALAV45
R-OGLNA285L-CBALAV45
R-OGLNA285L-HB1ALAV45
R-OGLNA285L-HB3ALAV45
R-OGLNA285L-ND2ASNV47
R-OGLNA285L-HD21ASNV47
R-OGLNA285L-HD22ASNV47
R-NHISA286L-HD21ASNV47
R-CAHISA286L-ND2ASNV47
R-CAHISA286L-HD21ASNV47
R-CAHISA286L-HD22ASNV47
R-CHISA286L-CGASNV47
R-CHISA286L-ND2ASNV47
R-CHISA286L-HD21ASNV47
R-CHISA286L-HD22ASNV47
R-CBHISA286L-ND2ASNV47
R-CBHISA286L-HD21ASNV47
R-CBHISA286L-HD22ASNV47
R-OHISA286L-CBASNV47
R-OHISA286L-CGASNV47
R-OHISA286L-ND2ASNV47
R-OHISA286L-OD1ASNV47
R-OHISA286L-HB2ASNV47
R-OHISA286L-HD21ASNV47
R-OHISA286L-HD22ASNV47
R-CD2HISA286L-HE22GLNV46
R-NSERA287L-ND2ASNV47
R-NSERA287L-HD21ASNV47
R-NSERA287L-HD22ASNV47
R-CASERA287L-HD22ASNV47
R-CBSERA287L-ND2ASNV47
R-CBSERA287L-HD22ASNV47
R-OGSERA287L-CGASNV47
R-OGSERA287L-ND2ASNV47
R-OGSERA287L-OD1ASNV47
R-OGSERA287L-HD21ASNV47
R-OGSERA287L-HD22ASNV47

 - Title of columns started by 'R:' means Receptor, 'L:' means Ligand
 - In the Secondary Structure columns: 'H' means that residues/atoms in that row are part of Alpha Helix; 'S' - Beta Sheet


Krembil, Jurisica Lab.   July 16, 2025     Database: 1.0.4.1